System and method for processing information via networked computers including request handlers, process handlers, and task handlers

• US 9,049,267 B2
• Filed: 02/10/2014
• Issued: 06/02/2015
• Est. Priority Date: 09/07/2002
• Status: Expired due to Fees

• Current Assignee: Appistry Incorporated
• Original Assignee: Appistry Incorporated
• Inventors: Hinni, Aaron Louis, Semones, Guerry Anderson, Groner, Michael Scott, Lozano, Roberto Raul
• Primary Examiner(s): WASEL, MOHAMED A
• Application Number:
  US14/176,378
• Publication Number:
  US 20140156722A1
• Time in Patent Office: 477 Days
• Field of Search: 709201-203, 709/223, 709/224
• US Class Current: 1/1
• CPC Class Codes: H04L 41/00 Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
• CPC Class Codes: H04L 41/046 comprising network management agents or mobile agents therefor
• CPC Class Codes: H04L 67/01 Protocols
• CPC Class Codes: H04L 67/10 in which an application is distributed across nodes in the network software deployment G06F8/60; multiprogramming arrangements G06F9/46
• CPC Class Codes: H04L 67/51 Discovery or management thereof, e.g. service location protocol [SLP] or web services
• CPC Class Codes: H04L 69/16 Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
• CPC Class Codes: H04L 69/163 In-band adaptation of TCP data exchange; In-band control procedures

Abstract

Systems and methods for processing information via networked computers leverage request handlers, process handlers, and task handlers to provide efficient distributed processing of processing jobs. A request handler can receive service requests for processing jobs, process handlers can identify tasks to be performed in connection with the processing jobs, and task handlers can perform the identified tasks, where the request handler, the process handlers, and the task handlers can be distributed across a plurality of networked computers.

Claims

1. A system for processing information, the system comprising:

a plurality of networked computers for processing a plurality of processing jobs in a distributed manner, the plurality of networked computers comprising a request handler, a plurality of process handlers, and a plurality of task handlers, the process handlers being resident on a plurality of different networked computers, the task handlers being resident on a plurality of different networked computers, the processing jobs having a plurality of associated process flows, the process flows including (1) a plurality of processing tasks and (2) logic configured to define a relationship between the processing tasks of the same process flow;

the request handler configured to (1) receive a plurality of service requests for the processing jobs, (2) store state information for the processing jobs, and (3) communicate data relating to the processing jobs to a plurality of the process handlers;

the process handlers to which the data relating to the processing jobs were communicated being configured to (1) analyze the state information for the processing jobs to determine whether any processing tasks in the process flows remain to be performed based on the logic for the process flows, (2) in response to the state information analysis indicating that a processing task remains for the process flow of a processing job, identify a processing task to be performed for the process flow having the remaining processing task, and (3) in response to the state information analysis indicating that no processing tasks remain for the process flow of a processing job, determine that the processing job corresponding to the process flow with no remaining processing tasks has been completed; and

the task handlers configured to perform the identified processing tasks to generate a plurality of task results; and

wherein the request handler is further configured to store updated state information for the processing jobs, the updated stored state information being based on the task results.

2. The system of claim 1 wherein the process handlers are further configured to volunteer for servicing the processing jobs based on their availabilities for servicing the processing jobs.

3. The system of claim 2 wherein the request handler is further configured to (1) select the process handlers for servicing the processing jobs from among the process handlers that volunteered for same, and (2) communicate the data relating the processing jobs to the selected process handlers.

4. The system of claim 3 wherein the selected process handlers are further configured to communicate a plurality of task requests for the identified processing tasks to a plurality of the task handlers;

wherein the tasks handlers to which the task requests were communicated are further configured to volunteer for performing the identified tasks corresponding to the task requests based on their being able to perform the identified tasks corresponding to the task requests; and

wherein the selected process handlers are further configured to select the task handlers for performing the identified tasks corresponding to the task requests from among the task handlers that volunteered for same.

5. The system of claim 3 wherein the task handlers are further configured to communicate updated state information for the processing jobs following completion of their identified processing tasks to the selected process handlers.

6. The system of claim 5 wherein the selected process handlers are further configured to communicate updated state information for the processing jobs to the request handler.

7. The system of claim 2 wherein the request handler is further configured to communicate a plurality of processing requests for the processing jobs to a plurality of the process handlers;

wherein the process handlers to which the processing requests were communicated are further configured to volunteer for servicing the processing jobs corresponding to the processing requests based on their availabilities for servicing the processing jobs corresponding to the processing requests; and

wherein the request handler is further configured to (1) select the process handlers for servicing the processing jobs corresponding to the processing requests from among the process handlers that volunteered for same, and (2) communicate the data relating to the processing jobs to the selected process handlers.

8. The system of claim 1 wherein the task handlers are further configured to volunteer for performing the identified tasks based on their being able to perform the identified tasks.

9. The system of claim 8 wherein a plurality of the networked computers on which a plurality of the task handlers reside have different resources;

and

wherein a plurality of the task handlers are further configured to volunteer for performing the identified tasks as a function of the resources of the networked computers on which the plurality of task handers are resident.

10. The system of claim 9 wherein the different resources comprise different specialized hardware.

11. The system of claim 8 wherein a plurality of the networked computers on which a plurality of the task handlers are resident are grouped into a plurality of territories, and wherein the system is configured to assign at least one of the identified tasks to a task handler based at least in part on territory considerations.

12. The system of claim 11 wherein a plurality of the networked computers have an associated physical location, and wherein the plurality of the networked computers having an associated physical location are grouped into the territories based on their associated physical locations such that each territory comprises a plurality of networked computers having an associated physical location within that territory.

13. The system of claim 1 wherein a plurality of the networked computers on which a plurality of the task handlers reside have different resources;

and

wherein the system is configured to assign a plurality of the identified tasks to a plurality of the task handlers based at least in part on the resources of the networked computers on which the plurality of task handers are resident.

14. The system of claim 13 wherein the system is further configured to assign at least one of the identified tasks to a task handler to a task handler in order to limit a number of accesses to a database engine that will be needed to perform the at least one assigned task.

15. The system of claim 13 wherein the system is further configured to assign at least one of the identified tasks to a task handler in order to limit a rate of access to a database engine that will be needed to perform the at least one assigned task.

16. The system of claim 13 wherein the system is further configured to assign at least one of the identified tasks to a task handler in order to limit a number of accesses to a storage device that will be needed to perform the at least one assigned task.

17. The system of claim 13 wherein the system is further configured to assign at least one of the identified tasks to a task handler in order to limit a rate of access to a storage device that will be needed to perform the at least one assigned task.

18. The system of claim 13 wherein the different resources comprise different specialized hardware.

19. The system of claim 13 wherein the assigned tasks comprise limited tasks.

20. The system of claim 13 wherein at least one of the networked computers is further configured to select a task handler to which an identified task will be assigned from among a plurality of the task handlers based at least in part on the resources of the networked computers on which the a plurality of the task handers are resident.

21. The system of claim 20 wherein the at least one networked computer comprises a process handler to which data relating to a processing job was communicated.

22. The system of claim 21 wherein the at least one of the networked computers has a process handler and a task handler resident therein.

23. The system of claim 13 wherein at least one of the networked computers is further configured to select a task handler to which an identified task will be assigned from among a plurality of the task handlers based at least in part on load balancing considerations.

24. The system of claim 1 wherein a plurality of the networked computers on which a plurality of the task handlers are resident are grouped into a plurality of territories, and wherein the system is configured to assign at least one of the identified tasks to a task handler based at least in part on territory considerations.

25. The system of claim 24 wherein a plurality of the networked computers have an associated physical location, and wherein the plurality of the networked computers having an associated physical location are grouped into the territories based on their associated physical locations such that each territory comprises a plurality of networked computers having an associated physical location within that territory.

26. The system of claim 1 wherein the request handler is further configured to (1) receive at least one of the service requests from a client computer, and (2) communicate a processing result for the processing job corresponding to the at least one service request to the client computer.

27. The system of claim 26 further comprising the client computer, the client computer in communication via a network with the networked computer on which the request handler is resident.

28. The system of claim 1 wherein the request handler is resident on a first of the networked computers, wherein at least one of the process handlers is resident on a second of the networked computers, and wherein at least one of the task handlers is resident on a third of the networked computers.

29. The system of claim 1 wherein the request handler and at least one of the process handlers are resident on the same one of the networked computers.

30. The system of claim 1 wherein the request handler is resident on a different one of the networked computers than the networked computers on which the process handlers and task handlers are resident.

31. The system of claim 30 wherein the process handlers are resident on different ones of the networked computers than the networked computers on which the task handlers are resident.

32. The system of claim 1 wherein at least one of the process handlers and at least one of the task handlers are resident on the same one of the networked computers, the at least one task handler being on a different thread of the networked computer than the at least one process handler.

33. The system of claim 1 wherein the logic for a process flow comprises (1) a plurality of state variables before and after each processing task of that process flow, the state variables configured to store the state information, and (2) a plurality of transitions from state to state based on results for the processing tasks of that process flow.

34. The system of claim 33 wherein the networked computers are configured to process the processing jobs according to a plurality of process definition files corresponding to the processing jobs, each process definition file being configured to define the process flow for a processing job.

35. The system of claim 1 wherein at least one of the process flows further includes a recovery procedure for the processing tasks of the at least one process flow.

36. The system of claim 1 wherein the task results include updated state information for the processing jobs;

and

wherein the request handler is further configured to store the updated state information based on the updated state information included in the task results.

37. The system of claim 4 wherein the selected process handlers are further configured to communicate the task requests to the task handlers by sending the task requests to the task handlers.

38. The system of claim 2 wherein the tasks handlers are further configured to volunteer for performing the identified tasks based on their being able to perform the identified tasks.

39. The system of claim 38 wherein a plurality of the process handlers are further configured to communicate a plurality of task requests for the identified tasks to a plurality of the task handlers that volunteered for performing those tasks, and wherein each task request is associated with a global unique identifier (GUID) therefor.

40. The system of claim 2 wherein the request handler is further configured to assign global unique identifiers (GUIDs) to the processing jobs.

41. The system of claim 40 wherein the request handler is further configured to (1) receive at least one of the processing job service requests from a client computer, and (2) provide the client computer with the GUID assigned to that processing job.

42. The system of claim 40 wherein the request handler is further configured to (1) determine whether a recovery procedure is to be initiated for a processing job, and (2) in response to a determination that a recovery procedure is to be initiated for a processing job, generate a recovery request message that includes the GUID for that processing job.

43. The system of claim 42 wherein the networked computers further comprise a recovery handler, and wherein the request handler is further configured to communicate the generated recovery request message to the recovery handler.

44. The system of claim 1 wherein the processing jobs define a plurality of transactions.

45. The system of claim 44 wherein the transactions comprise a plurality of independent transactions.

46. The system of claim 44 wherein the transactions comprise a plurality of credit card processing transactions.

47. The system of claim 2 wherein each processing job is associated with a data structure that defines the process flow, the data structure including data that identifies a plurality of files for carrying out tasks, each file associated with a task.

48. The system of claim 47 wherein each of a plurality of the process flow data structures further comprises:

a plurality of state identifiers for different states of the process flow;

a plurality of task identifiers for different tasks of the process flow, each task identifier being associated with a state identifier; and

a plurality of associations between the state identifiers and a plurality of potential outcomes of the tasks corresponding to the task identifiers.

49. The system of claim 48 wherein each of the plurality of the process flow data structures further comprises:

data representative of a plurality of retry count limits, each retry count limit data being associated with a task identifier to define how many retries are to be performed for the associated task before an error condition is found.

50. The system of claim 48 wherein each of the plurality of the process flow data structures further comprises:

data representative of a plurality of timeout count limits, each timeout count limit data being associated with a task identifier to define how many timeouts are to be permitted for the associated task before an error condition is found.

51. The system of claim 47 wherein the tasks handlers are further configured to volunteer for performing the identified tasks based on their being able to perform the identified tasks;

and

wherein a plurality of the process handlers are further configured to communicate a plurality of task requests for the identified tasks to a plurality of the task handlers that volunteered for performing those tasks, and wherein each task request is associated with a global unique identifier (GUID) therefor.

52. A method for processing information, the method comprising:

receiving a service request for a processing job, the processing job having an associated process flow, the process flow including (1) a plurality of processing tasks and (2) logic configured to define a relationship between the processing tasks of the process flow; and

executing the processing job in a distributed manner by a plurality of networked computers and in accordance with the received service request, the plurality of networked computers comprising a request handler, a plurality of process handlers, and a plurality of task handlers, the process handlers being resident on a plurality of different networked computers, the task handlers being resident on a plurality of different networked computers, wherein the executing step comprises;

the request handler storing state information for the processing job;

the request handler communicating data for the processing job to a process handler;

the process handler to which the data for the processing job was communicated (1) analyzing the state information for the processing job to determine whether any processing task in the process flow remains to be performed based on the logic for the process flow, (2) in response to the state information analysis indicating that a processing task remains for the process flow, identifying a processing task to be performed, and (3) in response to the state information analysis indicating that no processing task remains for the process flow, determining that the processing job has been completed;

the task handlers performing the identified processing tasks to generate a plurality of task results; and

updating the stored state information based on the task results.

53. The method of claim 52 wherein the executing step further comprises:

the task handlers volunteering to perform the identified tasks based on their being able to perform the identified tasks.

54. The method of claim 53 wherein the executing step further comprises:

the process handler to which the data for the processing job was communicated selecting the task handlers for performing the identified tasks in response to the volunteering.

55. The method of claim 52 wherein the receiving step comprises receiving a plurality of service requests for a plurality of the processing jobs;

wherein the executing step further comprises the networked computers executing the processing jobs in a distributed manner in accordance with the received service requests; and

wherein the executing step further comprises the process handlers volunteering for servicing the processing jobs based on their availabilities for servicing the processing jobs.

56. The method of claim 55 wherein the executing step further comprises:

the task handlers volunteering to perform the identified tasks for the processing jobs based on their being able to perform the identified tasks.

60. The method of claim 53 wherein the executing step further comprises:

a process handler among the plurality of process handlers volunteering for servicing the processing job based on its availability for servicing the processing job; and

wherein the communicating step comprises the request handler communicating data for the processing job to the process handler that volunteered for servicing the processing job.

61. The method of claim 53 wherein the executing step further comprises:

the process handler to which the data for the processing job was communicated communicating a plurality of task requests for the identified tasks to a plurality of the task handlers that volunteered for performing those tasks, and wherein each task request is associated with a global unique identifier (GUID) therefor.

62. The method of claim 52 further comprising:

the request handler assigning a global unique identifier (GUID) to the processing job.

63. The method of claim 62 wherein the receiving step comprises the request handler receiving the service request for the processing job from a client computer, the method further comprising:

the request handler providing the client computer with the GUID assigned to the processing job.

64. The method of claim 62 wherein the executing step further comprises:

the request handler determining whether a recovery procedure is to be initiated for the processing job; and

in response to a determination that the recovery procedure is to be initiated for the processing job, the request handler generating a recovery request message that includes the GUID for the processing job.

65. The method of claim 64 wherein the networked computers further comprise a recovery handler, and wherein executing step further comprises:

the request handler communicating the generated recovery request message to the recovery handler.

66. The method of claim 52 wherein the processing job is associated with a data structure that defines the process flow, the data structure including data that identifies a plurality of files for carrying out tasks, each file associated with a task.

67. The method of claim 66 wherein the process flow data structure further comprises:

a plurality of state identifiers for different states of the process flow;

a plurality of task identifiers for different tasks of the process flow, each task identifier being associated with a state identifier; and

a plurality of associations between the state identifiers and a plurality of potential outcomes of the tasks corresponding to the task identifiers.

68. The method of claim 67 wherein each of the plurality of the process flow data structures further comprises:

data representative of a plurality of retry count limits, each retry count limit data being associated with a task identifier to define how many retries are to be performed for the associated task before an error condition is found.

69. The method of claim 67 wherein each of the plurality of the process flow data structures further comprises:

data representative of a plurality of timeout count limits, each timeout count limit data being associated with a task identifier to define how many timeouts are to be permitted for the associated task before an error condition is found.

70. The method of claim 66 wherein the executing step further comprises:

the task handlers volunteering to perform the identified tasks based on their being able to perform the identified tasks; and

the process handler to which the data for the processing job was communicated communicating a plurality of task requests for the identified tasks to a plurality of the task handlers that volunteered for performing those tasks, and wherein each task request is associated with a global unique identifier (GUID) therefor.

71. The method of claim 52 wherein the executing step further comprises:

a process handler among the plurality of process handlers volunteering for servicing the processing job based on its availability for servicing the processing job; and

wherein the communicating step comprises the request handler communicating data for the processing job to the process handler that volunteered for servicing the processing job.

57. The method of claim wherein the processing jobs define a plurality of transactions.

58. The system of claim 57 wherein the transactions comprise a plurality of independent transactions.

59. The system of claim 57 wherein the transactions comprise a plurality of credit card processing transactions.

72. A method for processing information, the method comprising:

receiving a plurality of service requests for a plurality of processing jobs, the processing jobs having a plurality of associated process flows, the process flows including (1) a plurality of processing tasks and (2) logic configured to define a relationship between the processing tasks of the same process flow; and

executing the processing jobs in a distributed manner by a plurality of networked computers and in accordance with the received service requests, the plurality of networked computers comprising a request handler, a plurality of process handlers, and a plurality of task handlers, the process handlers being resident on a plurality of different networked computers, the task handlers being resident on a plurality of different networked computers, wherein the executing step comprises;

the request handler storing state information for the processing jobs;

the request handler communicating data relating to the processing jobs to a plurality of the process handlers;

the process handlers to which the data relating to the processing jobs were communicated (1) analyzing the state information for the processing jobs to determine whether any processing tasks in the process flows remain to be performed based on the logic for the process flows, (2) in response to the state information analysis indicating that a processing task remains for the process flow of a processing job, identifying a processing task to be performed for the process flow having the remaining processing task, and (3) in response to the state information analysis indicating that no processing tasks remain for the process flow of a processing job, determining that the processing job corresponding to the process flow with no remaining processing tasks has been completed;

the task handlers performing the identified processing tasks to generate a plurality of task results; and

updating the stored state information based on the task results.

73. The method of claim 72 wherein the executing step further comprises:

the process handlers volunteering for servicing the processing jobs based on their availabilities for servicing the processing jobs.

74. The method of claim 73 wherein the executing step further comprises:

the request handler (1) selecting the process handlers for servicing the processing jobs from among the process handlers that volunteered for same, and (2) communicating the data relating the processing jobs to the selected process handlers.

75. The method of claim 74 wherein the executing step further comprises:

the selected process handlers communicating a plurality of task requests for the identified processing tasks to a plurality of the task handlers;

the tasks handlers to which the task requests were communicated volunteering for performing the identified tasks corresponding to the task requests based on their being able to perform the identified tasks corresponding to the task requests; and

the selected process handlers selecting the task handlers for performing the identified tasks corresponding to the task requests from among the task handlers that volunteered for same.

76. The method of claim 74 wherein the executing step further comprises:

the task handlers communicating updated state information for the processing jobs following completion of their identified processing tasks to the selected process handlers.

77. The method of claim 76 wherein the executing step further comprises:

the selected process handlers communicating updated state information for the processing jobs to the request handler.

78. The method of claim 73 wherein the executing step further comprises:

the request handler communicating a plurality of processing requests for the processing jobs to a plurality of the process handlers;

the process handlers to which the processing requests were communicated volunteering for servicing the processing jobs corresponding to the processing requests based on their availabilities for servicing the processing jobs corresponding to the processing requests; and

the request handler (1) selecting the process handlers for servicing the processing jobs corresponding to the processing requests from among the process handlers that volunteered for same, and (2) communicating the data relating to the processing jobs to the selected process handlers.

79. The method of claim 72 wherein the executing step further comprises:

the task handlers volunteering for performing the identified tasks based on their being able to perform the identified tasks.

80. The method of claim 79 wherein a plurality of the networked computers on which a plurality of the task handlers reside have different resources;

and wherein the executing step further comprises;

a plurality of the task handlers volunteering for performing the identified tasks as a function of the resources of the networked computers on which the plurality of task handers are resident.

81. The method of claim 80 wherein the different resources comprise different specialized hardware.

82. The method of claim 79 wherein a plurality of the networked computers on which a plurality of the task handlers are resident are grouped into a plurality of territories, and wherein the executing step further comprises:

assigning at least one of the identified tasks to a task handler based at least in part on territory considerations.

83. The method of claim 82 wherein a plurality of the networked computers have an associated physical location, and wherein the plurality of the networked computers having an associated physical location are grouped into the territories based on their associated physical locations such that each territory comprises a plurality of networked computers having an associated physical location within that territory.

84. The method of claim 72 wherein a plurality of the networked computers on which a plurality of the task handlers reside have different resources, and wherein the executing step further comprises:

assigning a plurality of the identified tasks to a plurality of the task handlers based at least in part on the resources of the networked computers on which the plurality of task handers are resident.

85. The method of claim 84 wherein the assigning step further comprises:

assigning at least one of the identified tasks to a task handler in order to limit a number of accesses to a database engine that will be needed to perform the at least one assigned task.

86. The method of claim 84 wherein the assigning step further comprises:

assigning at least one of the assigned tasks to a task handler in order to limit a rate of access to a database engine that will be needed to perform the at least one assigned task.

87. The method of claim 84 wherein the assigning step further comprises:

assigning at least one of the assigned tasks to a task handler in order to limit a number of accesses to a storage device that will be needed to perform the at least one assigned task.

88. The method of claim 84 wherein the assigning step further comprises:

assigning at least one of the assigned tasks to a task handler in order to limit a rate of access to a storage device that will be needed to perform the at least one assigned task.

89. The method of claim 84 wherein the different resources comprise different specialized hardware.

90. The method of claim 84 wherein the assigned tasks comprise limited tasks.

91. The method of claim 84 wherein the executing step further comprises:

selecting a task handler to which an identified task will be assigned from among a plurality of the task handlers based at least in part on the resources of the networked computers on which the a plurality of the task handers are resident.

92. The method of claim 91 wherein the task handler selecting step comprises a process handler to which data relating to a processing job was communicated selecting the task handler to which an identified task will be assigned from among a plurality of the task handlers based at least in part on the resources of the networked computers on which the a plurality of the task handers are resident.

93. The method of claim 92 wherein the at least one of the networked computers has a process handler and a task handler resident therein.

94. The method of claim 84 wherein the executing step further comprises:

selecting a task handler to which an identified task will be assigned from among a plurality of the task handlers based at least in part on load balancing considerations.

95. The method of claim 72 wherein a plurality of the networked computers on which a plurality of the task handlers are resident are grouped into a plurality of territories, and wherein the executing step further comprises:

assigning at least one of the identified tasks to a task handler based at least in part on territory considerations.

96. The method of claim 95 wherein a plurality of the networked computers have an associated physical location, and wherein the plurality of the networked computers having an associated physical location are grouped into the territories based on their associated physical locations such that each territory comprises a plurality of networked computers having an associated physical location within that territory.

97. The method of claim 72 wherein the executing step further comprises:

the request handler (1) receiving at least one of the service requests from a client computer, and (2) communicating a processing result for the processing job corresponding to the at least one service request to the client computer.

98. The method of claim 97 further comprising the client computer communicating via a network with the networked computer on which the request handler is resident.

99. The method of claim 72 wherein the request handler is resident on a first of the networked computers, wherein at least one of the process handlers is resident on a second of the networked computers, and wherein at least one of the task handlers is resident on a third of the networked computers.

100. The method of claim 72 wherein the request handler and at least one of the process handlers are resident on the same one of the networked computers.

101. The method of claim 72 wherein the request handler is resident on a different one of the networked computers than the networked computers on which the process handlers and task handlers are resident.

102. The method of claim 101 wherein the process handlers are resident on different ones of the networked computers than the networked computers on which the task handlers are resident.

103. The method of claim 72 wherein at least one of the process handlers and at least one of the task handlers are resident on the same one of the networked computers, the at least one task handler being on a different thread of the networked computer than the at least one process handler.

104. The method of claim 72 wherein the logic for a process flow comprises (1) a plurality of state variables before and after each processing task of that process flow, the state variables configured to store the state information, and (2) a plurality of transitions from state to state based on results for the processing tasks of that process flow.

105. The method of claim 104 wherein the executing step further comprises:

the networked computers processing the processing jobs according to a plurality of process definition files corresponding to the processing jobs, each process definition file defining the process flow for a processing job.

106. The method of claim 72 wherein at least one of the process flows further includes a recovery procedure for the processing tasks of the at least one process flow.

107. The method of claim 72 wherein the task results include updated state information for the processing jobs;

and

wherein the updating step comprises the request handler storing the updated state information based on the updated state information included in the task results.

108. The method of claim 75 wherein the step of the selected process handlers communicating the task requests to the task handlers comprises the selected process handlers sending the task requests to the task handlers.

109. The method of claim 73 wherein the executing step further comprises:

the tasks handlers volunteering for performing the identified tasks based on their being able to perform the identified tasks.

110. The method of claim 109 wherein the executing step further comprises:

a plurality of the process handlers communicating a plurality of task requests for the identified tasks to a plurality of the task handlers that volunteered for performing those tasks, and wherein each task request is associated with a global unique identifier (GUID) therefor.

111. The method of claim 73 further comprising:

the request handler assigning global unique identifiers (GUIDs) to the processing jobs.

112. The method of claim 111 wherein the receiving step comprises the request handler receiving at least one of the processing job service requests from a client computer, the method further comprising:

the request handler providing the client computer with the GUID assigned to that processing job.

113. The method of claim 111 wherein the executing step further comprises:

the request handler determining whether a recovery procedure is to be initiated for a processing job; and

in response to a determination that a recovery procedure is to be initiated for a processing job, the request handler generating a recovery request message that includes the GUID for that processing job.

114. The method of claim 113 wherein the networked computers further comprise a recovery handler, and wherein the executing step further comprises:

the request handler communicating the generated recovery request message to the recovery handler.

115. The method of claim 72 wherein the processing jobs define a plurality of transactions.

116. The method of claim 115 wherein the transactions comprise a plurality of independent transactions.

117. The method of claim 115 wherein the transactions comprise a plurality of credit card processing transactions.

118. The method of claim 73 wherein each processing job is associated with a data structure that defines the process flow, the data structure including data that identifies a plurality of files for carrying out tasks, each file associated with a task.

119. The method of claim 118 wherein each of a plurality of the process flow data structures further comprises:

a plurality of state identifiers for different states of the process flow;

a plurality of task identifiers for different tasks of the process flow, each task identifier being associated with a state identifier; and

a plurality of associations between the state identifiers and a plurality of potential outcomes of the tasks corresponding to the task identifiers.

120. The method of claim 119 wherein each of the plurality of the process flow data structures further comprises:

data representative of a plurality of retry count limits, each retry count limit data being associated with a task identifier to define how many retries are to be performed for the associated task before an error condition is found.

121. The method of claim 119 wherein each of the plurality of the process flow data structures further comprises:

data representative of a plurality of timeout count limits, each timeout count limit data being associated with a task identifier to define how many timeouts are to be permitted for the associated task before an error condition is found.

122. The method of claim 118 wherein the executing step further comprises:

the tasks handlers volunteering for performing the identified tasks based on their being able to perform the identified tasks; and

a plurality of the process handlers communicating a plurality of task requests for the identified tasks to a plurality of the task handlers that volunteered for performing those tasks, and wherein each task request is associated with a global unique identifier (GUID) therefor.

123. A system for processing information, the system comprising:

a plurality of networked computers for processing a plurality of processing jobs in a distributed manner, the plurality of networked computers comprising a request handler, a plurality of process handlers, and a plurality of task handlers, the process handlers being resident on a plurality of different networked computers, the task handlers being resident on a plurality of different networked computers, the processing jobs having a plurality of associated process flows, the process flows including (1) a plurality of processing tasks and (2) logic configured to define a relationship between the processing tasks of the same process flow;

wherein the request handler is configured to (1) receive a plurality of service requests for the processing jobs, and (2) store state information for the processing jobs;

wherein the process handlers are configured to volunteer for servicing the processing jobs based on their availabilities;

wherein the request handler is further configured to communicate data relating to the processing jobs to a plurality of the process handlers that volunteered;

wherein the process handlers to which the data relating to the processing jobs were communicated are configured to (1) analyze the state information for the processing jobs to determine whether any processing tasks in the process flows remain to be performed based on the logic for the process flows, (2) in response to the state information analysis indicating that a processing task remains for the process flow of a processing job, identify a processing task to be performed for the process flow having the remaining processing task, and (3) in response to the state information analysis indicating that no processing tasks remain for the process flow of a processing job, determine that the processing job corresponding to the process flow with no remaining processing tasks has been completed;

wherein the task handlers are configured to volunteer for performing tasks based on their availabilities;

wherein a plurality of the task handlers that volunteered are configured to perform the identified processing tasks to generate a plurality of task results; and

wherein the request handler is further configured to store updated state information for the processing jobs, the updated stored state information being based on the task results.

124. The system of claim 123 wherein the request handler is further configured to communicate a plurality of processing requests for the processing jobs to a plurality of the process handlers;

wherein the process handlers to which the processing requests were communicated are configured to volunteer for servicing the processing jobs based on their availabilities in response to the processing requests;

wherein a plurality of the process handlers are further configured to communicate a plurality of task requests for the identified tasks to a plurality of the task handlers; and

wherein the task handlers to which the task requests were communicated are configured to volunteer for performing the identified tasks based on their availabilities.

125. The system of claim 124 wherein the request handler is further configured to select the process handlers for servicing the processing jobs from among the volunteering process handlers;

and

wherein the process handlers are further configured to select the task handlers for performing the identified tasks from among the volunteering task handlers.

126. The system of claim 123 wherein the request handler is further configured to (1) initiate a state data structure associated with a processing job, the state data structure configured to store data indicative of a state for the associated processing job, (2) receive a plurality of updates regarding the state for the associated processing job, and (3) update the state data structure based on the received updates.

127. The system of claim 126 wherein the request handler is further configured to assign global unique identifiers (GUIDs) to the processing jobs.

128. The system of claim 127 wherein the request handler is further configured to (1) receive at least one of the processing job service requests from a client computer, and (2) provide the client computer with the GUID assigned to that processing job.

129. The system of claim 127 wherein the request handler is further configured to (1) determine whether a recovery procedure is to be initiated for a processing job, and (2) in response to a determination that a recovery procedure is to be initiated for a processing job, generate a recovery request message that includes the GUID for that processing job.

130. The system of claim 129 wherein the networked computers further comprise a recovery handler, and wherein the request handler is further configured to communicate the generated recovery request message to the recovery handler.

131. The system of claim 123 wherein the processing jobs define a plurality of transactions.

132. The system of claim 131 wherein the transactions comprise a plurality of independent transactions.

133. The system of claim 131 wherein the transactions comprise a plurality of credit card processing transactions.

134. The system of claim 123 wherein each processing job is associated with a data structure that defines the process flow, the data structure including data that identifies a plurality of files for carrying out tasks, each file associated with a task.

135. The system of claim 134 wherein each of a plurality of the process flow data structures further comprises:

a plurality of state identifiers for different states of the process flow;

a plurality of task identifiers for different tasks of the process flow, each task identifier being associated with a state identifier; and

a plurality of associations between the state identifiers and a plurality of potential outcomes of the tasks corresponding to the task identifiers.

136. The system of claim 135 wherein each of the plurality of the process flow data structures further comprises:

data representative of a plurality of retry count limits, each retry count limit data being associated with a task identifier to define how many retries are to be performed for the associated task before an error condition is found.

137. The system of claim 135 wherein each of the plurality of the process flow data structures further comprises:

data representative of a plurality of timeout count limits, each timeout count limit data being associated with a task identifier to define how many timeouts are to be permitted for the associated task before an error condition is found.

138. The system of claim 134 wherein a plurality of the process handlers are further configured to communicate a plurality of task requests for the identified tasks to a plurality of the task handlers that volunteered for performing those tasks, and wherein each task request is associated with a global unique identifier (GUID) therefor.

139. The system of claim 123 wherein a plurality of the process handlers are further configured to communicate a plurality of task requests for the identified tasks to a plurality of the task handlers that volunteered for performing those tasks, and wherein each task request is associated with a global unique identifier (GUID) therefor.