System, method and computer program product for sharing information in a distributed framework

• US 7,802,263 B2
• Filed: 12/15/2003
• Issued: 09/21/2010
• Est. Priority Date: 12/17/2002
• Status: Expired due to Fees

• Current Assignee: Stragent, LLC (Oso IP, LLC)
• Original Assignee: Stragent, LLC (Oso IP, LLC)
• Inventors: Fuchs, Axel, Andrews, Scott Sturges
• Primary Examiner(s): Sough; Hyung S
• Assistant Examiner(s): Anya; Charles E
• Application Number:
  US10/737,690
• Publication Number:
  US 20040128673A1
• Time in Patent Office: 2,472 Days
• Field of Search: 707/10, 709201-207, 709217-219, 709/213, 715/733, 715/734, 715/737, 715/738, 715/751, 715/758, 718/106, 718/104, 719/311, 719/313, 719/318, 719/312, 719/314, 711/147
• US Class Current: 719/314
• CPC Class Codes: B60R 16/0231 Circuits relating to the driving or the functioning of the vehicle monitoring tyres B60C23/00; indicating overspeed B60K31/00; for dash boards B60K37/00, B60Q3/10; for indicating emergencies B60Q1/52; brake control systems B60T; registering or indicating the working of vehicles G07C5/00; measuring distance G01C, e.g. combinations of speed and distance G01C23/00; engine indicators G01L; measuring speed or acceleration G01P
• CPC Class Codes: G06F 2209/547 Messaging middleware
• CPC Class Codes: G06F 9/54 Interprogram communication
• CPC Class Codes: G06F 9/542 Event management; Broadcasting; Multicasting; Notifications
• CPC Class Codes: G06F 9/545 where tasks reside in different layers, e.g. user- and kernel-space
• CPC Class Codes: G06F 9/546 Message passing systems or structures, e.g. queues
• CPC Class Codes: H04L 43/04 Processing captured monitoring data, e.g. for logfile generation
• CPC Class Codes: H04L 43/06 Generation of reports
• CPC Class Codes: H04L 43/08 Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
• CPC Class Codes: H04L 43/0817 by checking functioning
• CPC Class Codes: H04L 43/10 Active monitoring, e.g. heartbeat, ping or trace-route
• CPC Class Codes: H04L 65/102 Gateways arrangements for connecting between networks having differing types of switching systems, e.g. gateways, H04L12/66
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• 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 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: H04L 67/535 Tracking the activity of the user network monitoring arrangements H04L43/00; recording of computer activity G06F11/34
• CPC Class Codes: H04L 67/55 Push-based network services
• CPC Class Codes: H04L 67/56 Provisioning of proxy services store-and-forward switching systems in data switching networks H04L12/54
• CPC Class Codes: H04L 67/60 Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources admission control or resource allocation H04L47/70

Abstract

A system, method and computer program product are provided for sharing information in a distributed system. After information is received, it is stored on a bulletin board. In use, the information is shared, in real-time, among a plurality of heterogeneous processes.

Claims

1. A method for sharing information in a distributed system, comprising:

receiving information in the form of a message from a first process utilizing a first network protocol associated with a first network;

extracting the information from the message;

requesting a bulletin board resource of one or more bulletin boards;

determining whether the bulletin board resource is available;

in the event the bulletin board resource is not available, re-requesting the bulletin board resource until a threshold has been reached;

in the event the bulletin board resource is available, storing the information on the bulletin board resource; and

sharing, in real-time, the information among a plurality of different processes by;

converting the information on the bulletin board resource in real-time into a plurality of message formats corresponding to different network protocols which are different from the first network protocol;

wherein the information is shared by way of heterogeneous networks different from the first network, among the different processes utilizing the different network protocols.

2. The method as recited in claim 1, wherein the information is replicated among a plurality of bulletin boards.

3. The method as recited in claim 2, wherein the bulletin boards are hierarchical.

4. The method as recited in claim 1, wherein both past and present instances of the information are stored on the bulletin board resource.

5. The method as recited in claim 1, wherein the different processes access multiple sections of the bulletin board resource.

6. The method as recited in claim 1, wherein a bulletin board manager sends notifications to the different processes based on a state of the information on the bulletin board resource.

7. The method as recited in claim 1, wherein the information includes variables.

8. The method as recited in claim 7, wherein the information includes input variables.

9. The method as recited in claim 7, wherein the information includes output variables.

10. The method as recited in claim 1, wherein the different processes include local processes.

11. The method as recited in claim 1, wherein the different processes include remote processes.

12. The method as recited in claim 1, wherein each of the different processes process the information in a manner that is isolated from temporal characteristics associated with the heterogeneous networks.

13. The method as recited in claim 1, wherein the different processes include both event triggered processes and time triggered processes.

14. The method as recited in claim 1, wherein the message is received by a bulletin board manager.

15. The method as recited in claim 1, wherein the information is converted from a signal received by a bulletin board manager.

16. The method as recited in claim 1, wherein the information is shared in a single task.

17. The method as recited in claim 1, wherein the information is shared according to a schedule.

18. The method as recited in claim 1, wherein the information is shared with an operating system.

19. The method as recited in claim 18, wherein dynamic preemptive scheduling is provided.

20. The method as recited in claim 1, wherein the bulletin board resource is protected.

21. The method as recited in claim 20, wherein the bulletin board resource is protected utilizing a schedule that allows information sharing utilizing the bulletin board.

22. The method as recited in claim 1, wherein the bulletin board resource is protected utilizing semaphores.

23. The method as recited in claim 1, wherein the information is shared according to an internal clock.

24. The method as recited in claim 1, wherein the information is shared according to an external clock.

25. The method as recited in claim 1, wherein objects are generated based on a change of state of the information stored on the bulletin board resource.

26. The method as recited in claim 25, wherein the objects include at least one of flags, events, signals, and interrupts.

27. The method as recited in claim 1, wherein the information is stored in response to interrupts associated with the different processes.

28. The method as recited in claim 1, wherein the bulletin board resource is replicated through a distributed system.

29. The method as recited in claim 1, wherein the information is shared across the heterogeneous networks with only a portion of a network communication protocol header.

30. The method as recited in claim 1, wherein the bulletin board updates the different processes with the information at a first rate that differs from a second rate with which the different processes send the information to the bulletin board.

31. The method as recited in claim 1, wherein event triggers are provided independent of a link connection between nodes where the different processes are carried out.

32. The method as recited in claim 1, wherein failure redundancy is provided across multiple independent links across diverse physical connections.

33. The method as recited in claim 1, wherein the bulletin board resource is accessed with guaranteed access times, jitter, and bandwidth.

34. The method as recited in claim 1, wherein the information has a user-configured constraint associated therewith.

35. The method as recited in claim 34, wherein the constraint includes a memory constraint.

36. The method as recited in claim 34, wherein the constraint includes a real-time constraint.

37. The method as recited in claim 34, wherein the constraint is configured utilizing a tool.

38. The method as recited in claim 1, wherein the information is processed utilizing a first bulletin board and stored utilizing a second bulletin board.

39. The method as recited in claim 1, wherein instances of the information are time-stamped when stored on the bulletin board resource for temporal reference.

40. The method as recited in claim 1, wherein the bulletin board updates the different processes based on an event.

41. The method as recited in claim 1, wherein the first network protocol is a standard protocol.

42. The method as recited in claim 1, wherein the first network protocol is a nonstandard proprietary protocol.

43. The method as recited in claim 1, wherein the threshold is based on user input.

44. A computer program product embodied on a non-transitory computer-readable medium, comprising:

computer code for causing receipt of information in the form of a message from a first process utilizing a first network protocol associated with a first network;

computer code for causing extraction of the information from the message;

computer code for causing a request in association with a bulletin board resource of one or more bulletin boards;

computer code for causing a determination as to whether the bulletin board resource is available;

computer code for, in the event the bulletin board resource is not available, causing the bulletin board resource to be re-requested until a threshold has been reached;

computer code for, in the event the bulletin board resource is available, causing storage of the information on the bulletin board resource; and

computer code for causing sharing of the information among a plurality of different processes by;

in real-time, converting the information on the bulletin board resource into a plurality of message formats corresponding to different network protocols which are different from the first network protocol;

wherein the computer program product is operable such that the information is shared by way of heterogeneous networks different from the first network, among the different processes utilizing the different network protocols.

45. The computer program product as recited in claim 44, wherein a plurality of the bulletin boards are included which are organized in a hierarchical manner.

46. The computer program product as recited in claim 44, wherein the computer program product is operable such that the different processes are capable of accessing multiple sections of the bulletin board resource.

47. The computer program product as recited in claim 44, wherein the computer program product is operable such that a bulletin board manager sends notifications to the different processes based on a state of the information on the bulletin board resource.

48. The computer program product as recited in claim 44, wherein the information includes variables.

49. The computer program product as recited in claim 48, wherein the information includes input variables.

50. The computer program product as recited in claim 48, wherein the information includes output variables.

51. The computer program product as recited in claim 44, wherein the different processes include local processes.

52. The computer program product as recited in claim 44, wherein the different processes include remote processes.

53. The computer program product as recited in claim 44, wherein the computer program product is operable such that at least one of the different processes process the information in a manner that is isolated from temporal characteristics associated with at least one of the heterogeneous networks.

54. The computer program product as recited in claim 44, wherein the different processes include both event triggered processes and time triggered processes.

55. The computer program product as recited in claim 44, wherein the computer program product is operable such that the message is received by a bulletin board manager.

56. The computer program product as recited in claim 44, wherein the computer program product is operable such that the information is converted from a signal received by a bulletin board manager.

57. The computer program product as recited in claim 44, wherein the computer program product is operable such that the information is shared in a single task.

58. The computer program product as recited in claim 44, wherein the computer program product is operable such that the information is shared according to a schedule.

59. The computer program product as recited in claim 44, wherein the computer program product is operable such that the information is shared with an operating system.

60. The computer program product as recited in claim 44, wherein the computer program product is operable such that dynamic preemptive scheduling is provided.

61. The computer program product as recited in claim 44, wherein the computer program product is operable such that the bulletin board resource is protected.

62. The computer program product as recited in claim 44, wherein the computer program product is operable such that the bulletin board resource is protected utilizing a schedule that allows information sharing utilizing the bulletin board.

63. The computer program product as recited in claim 44, wherein the computer program product is operable such that the bulletin board resource is protected utilizing semaphores.

64. The computer program product as recited in claim 44, wherein the computer program product is operable such that the information is shared according to an internal clock.

65. The computer program product as recited in claim 44, wherein the computer program product is operable such that the information is shared according to an external clock.

66. The computer program product as recited in claim 44, wherein the computer program product is operable such that objects are generated based on a change of state of the information stored on the bulletin board resource.

67. The computer program product as recited in claim 66, wherein the objects include at least one of flags, events, signals, and interrupts.

68. The computer program product as recited in claim 44, wherein the computer program product is operable such that the information is stored in response to interrupts associated with the different processes.

69. The computer program product as recited in claim 44, wherein the bulletin board resource is replicated through a distributed system.

70. The computer program product as recited in claim 44, wherein the computer program product is operable such that the information is shared across the heterogeneous networks with only a portion of a network communication protocol header.

71. The computer program product as recited in claim 44, wherein the computer program product is operable such that the bulletin board updates the different processes with the information at a first rate that differs from a second rate with which the different processes send the information to the bulletin board.

72. The computer program product as recited in claim 44, wherein the computer program product is operable such that event triggers are provided independent of a link connection between nodes where the different processes are carried out.

73. The computer program product as recited in claim 44, wherein the computer program product is operable such that failure redundancy is provided across multiple independent links across diverse physical connections.

74. The computer program product as recited in claim 44, wherein the computer program product is operable such that the bulletin board resource is accessed with guaranteed at least one of access times, jitter, or bandwidth.

75. The computer program product as recited in claim 44, wherein the information has a user-configured constraint associated therewith.

76. The computer program product as recited in claim 75, wherein the constraint includes a memory constraint.

77. The computer program product as recited in claim 75, wherein the constraint includes a real-time constraint.

78. The computer program product as recited in claim 75, wherein the constraint is configured utilizing a tool.

79. The computer program product as recited in claim 44, wherein the computer program product is operable such that the information is processed utilizing a first bulletin board and stored utilizing a second bulletin board.

80. The computer program product as recited in claim 44, wherein the computer program product is operable such that instances of the information are time-stamped when stored on the bulletin board resource for temporal reference.

81. The computer program product as recited in claim 44, wherein the computer program product is operable such that the bulletin board updates the different processes based on an event.

82. The computer program product as recited in claim 44, wherein the first network protocol is a standard protocol.

83. The computer program product as recited in claim 44, wherein the first network protocol is a nonstandard proprietary protocol.

84. The computer program product as recited in claim 44, wherein the computer program product is part of an embedded system.

85. The computer program product as recited in claim 44, wherein the computer program product includes software.

86. The computer program product as recited in claim 44, wherein the computer program product includes embedded software.

87. The computer program product as recited in claim 44, wherein the computer program product includes hardware.

88. The computer program product as recited in claim 44, wherein the computer program product includes middleware.

89. The computer program product as recited in claim 44, wherein the computer program product is operable such that the real-time involves a response time that is measured in milliseconds.

90. The computer program product as recited in claim 44, wherein the computer program product is operable such that the real-time involves a response time that is measured in microseconds.

91. The computer program product as recited in claim 44, wherein the computer program product is operable such that the real-time involves a response time that is less than 1 second.

92. The computer program product as recited in claim 44, wherein the first network is a sub-network.

93. The computer program product as recited in claim 44, wherein the heterogeneous networks are sub-networks.

94. The computer program product as recited in claim 44, wherein the first process is associated with software.

95. The computer program product as recited in claim 44, wherein the first process is associated with hardware.

96. The computer program product as recited in claim 44, wherein the bulletin board resource includes a portion of the one or more bulletin boards.

97. The computer program product as recited in claim 44, wherein the at least one bulletin board includes a multi-mode storage.

98. The computer program product as recited in claim 44, wherein the bulletin board resource includes a section of memory.

99. The computer program product as recited in claim 44, wherein the bulletin board resource is a component of firmware.

100. The computer program product as recited in claim 44, wherein the bulletin board resource is a component of an electronic control unit.

101. The computer program product as recited in claim 44, wherein the bulletin board resource is a component of a gateway.

102. The computer program product as recited in claim 44, wherein the bulletin board resource includes a section of non-volatile memory of the one or more bulletin boards.

103. The computer program product as recited in claim 44, wherein the bulletin board resource includes a section of volatile memory of the one or more bulletin boards.

104. The computer program product as recited in claim 44, wherein the bulletin board resource includes a data entry.

105. The computer program product as recited in claim 104, wherein the data entry includes an array of values.

106. The computer program product as recited in claim 44, wherein the threshold includes a configurable threshold.

107. The computer program product as recited in claim 44, wherein the determination is carried out as part of explicit resource management.

108. The computer program product as recited in claim 44, wherein the determination is carried out as part of implicit resource management.

109. The computer program product as recited in claim 44, wherein the bulletin board includes a shared memory.

110. The computer program product as recited in claim 44, wherein the threshold includes a time-based threshold.

111. The computer program product as recited in claim 44, wherein the bulletin board includes an embedded database.

112. The computer program product as recited in claim 44, wherein at least one aspect of the bulletin board grows linearly with a number of the heterogeneous networks.

113. The computer program product as recited in claim 44, wherein the message includes a packet data unit.

114. The computer program product as recited in claim 44, wherein the information includes data.

115. The computer program product as recited in claim 44, wherein the information includes at least one file.

116. The computer program product as recited in claim 44, wherein the information includes a signal.

117. The computer program product as recited in claim 44, wherein the non-transitory computer-readable medium includes a tangible computer-readable medium.

118. The computer program product as recited in claim 44, wherein the computer program product is part of an automotive system.

119. The computer program product as recited in claim 44, wherein the information is associated with engine control.

120. The computer program product as recited in claim 44, wherein the information is associated with brake control.

121. The computer program product as recited in claim 44, wherein the information is associated with diagnostics.

122. The computer program product as recited in claim 44, wherein the computer program product is part of a control system.

123. The computer program product as recited in claim 44, wherein the computer program product is part of a monitoring system.

124. The computer program product as recited in claim 44, wherein the computer program product is part of an apparatus including a plurality of electronic control units capable of interfacing at least one of an actuator or a sensor.

125. The computer program product as recited in claim 124, wherein the apparatus further includes at least one gateway capable of interfacing the plurality of electronic control units.

126. The computer program product as recited in claim 124, wherein at least one of the electronic control units is a virtual electronic control unit.

127. The computer program product as recited in claim 125, wherein at least one of the electronic control units and the gateway include a single device.

128. The computer program product as recited in claim 125, wherein the gateway includes a group gateway.

129. The computer program product as recited in claim 125, wherein the gateway includes a subgroup gateway.

130. The computer program product as recited in claim 125, wherein the gateway includes a system gateway.

131. The computer program product as recited in claim 44, wherein the computer program product is part of an apparatus including at least one electronic control unit capable of interfacing at least one of an actuator or a sensor;

and at least one gateway;

wherein the gateway is capable of storing a processing image on the bulletin board.

132. The computer program product as recited in claim 44, wherein the computer program product is part of an apparatus that is capable of interfacing a diagnostic tool and a design tool.

133. The computer program product as recited in claim 44, wherein the computer program product is part of an apparatus including a plurality of layers including an application layer, a middleware layer, a real-time operating system layer, a device driver layer, and a hardware abstraction layer.

134. The computer program product as recited in claim 44, wherein the computer program product is part of an apparatus including a plurality of layers including at least two of an application layer, a middleware layer, a real-time operating system layer, a device driver layer, and a hardware abstraction layer.

135. The computer program product as recited in claim 44, wherein the computer program product is part of an apparatus including a plurality of layers including at least three of an application layer, a middleware layer, a real-time operating system layer, a device driver layer, and a hardware abstraction layer.

136. The computer program product as recited in claim 44, wherein the computer program product is part of an apparatus including a plurality of layers including at least four of an application layer, a middleware layer, a real-time operating system layer, a device driver layer, and a hardware abstraction layer.

137. The computer program product as recited in claim 44, wherein the bulletin board is operable such that temporal behavior of communications does not impact a real-time computing task.

138. The computer program product as recited in claim 44, and further comprising computer code for providing software upgrades for each of a plurality of modules.

139. The computer program product as recited in claim 138, wherein the computer program product is operable such that the software upgrades are downloaded via a communication link.

140. The computer program product as recited in claim 44, wherein the bulletin board is operable such that network efficiency is increased by reducing a number of transactions needed to access remote variables.

141. The computer program product as recited in claim 44, wherein the bulletin board is a direct-access bulletin board.

142. The computer program product as recited in claim 44, wherein the bulletin board is operable so as not to require a network layer translation of messages.

143. The computer program product as recited in claim 44, wherein the bulletin board is operable so as to allow cross-network variable sharing though vertical real-time replication of data.

144. The computer program product as recited in claim 44, wherein the bulletin board is operable to restrict information access to certain levels in a particular network.

145. The computer program product as recited in claim 44, wherein the bulletin board is operable to restrict information access to certain levels in an associated network, while allowing replication of the information to nodes in a particular network.

146. The computer program product as recited in claim 44, wherein the computer program product is operable such that multiple modes of operation are enabled in order to provide for a guaranteed deterministic behavior.

147. The computer program product as recited in claim 44, wherein the computer program product is operable such that multiple modes of operation are enabled, wherein at least one of the modes includes a secured configuration or upgrade mode that allows changes to configuration and/or functions.

148. The computer program product as recited in claim 44, wherein the computer program product is operable such that multiple modes of operation are enabled, wherein at least one of the modes includes a diagnostic mode.

149. The computer program product as recited in claim 44, wherein the computer program product is operable such that a topology of a distributed computing and communication apparatus is capable of being designed independent of a definition of individual functions that a particular network performs.

150. The computer program product as recited in claim 44, wherein the heterogeneous networks include serial multiplexing bus-systems.

151. The computer program product as recited in claim 150, wherein the computer program product is operable such that the serial multiplexing bus-systems include one of a controller area network, a Flexray network, a LIN network, a J1850 network, a J1708 network, a MOST network, and a IEEE1394 network.

152. The computer program product as recited in claim 44, wherein the computer program product is operable such that the message is processed at each of a plurality of layers.

153. The computer program product as recited in claim 44, wherein the bulletin board includes a system bulletin board.

154. The computer program product as recited in claim 44, wherein the bulletin board includes a group bulletin board.

155. A system for sharing information in a distributed manner, comprising:

one or more bulletin boards including at least one bulletin board resource;

at least one circuit in communication with the one or more bulletin boards, the at least one circuit configured to cause the system to;

receive information in the form of a message from a first process utilizing a first network protocol associated with a first network;

extract the information from the message;

issue a request for the bulletin board resource;

determine whether the bulletin board resource is available;

in the event the bulletin board resource is not available, re-attempt to acquire the bulletin board resource until a threshold has been reached;

in the event the bulletin board resource is available, store the information on the bulletin board resource; and

share the information among a plurality of different processes by;

in real-time, converting the information on the bulletin board resource into a plurality of message formats corresponding to different network protocols which are different from the first network protocol;

wherein the system is operable such that the information is shared by way of heterogeneous networks different from the first network, among the different processes utilizing the different network protocols.

156. The system as recited in claim 155, wherein the system is operable such that the information is replicated among a plurality of the bulletin board resources.

157. The system as recited in claim 155, wherein the system is operable such that both past and present instances of the information are stored on the bulletin board resource.

158. The system as recited in claim 155, wherein a plurality of the bulletin boards are included which are organized in a hierarchical manner.

159. The system as recited in claim 155, wherein the system is operable such that the different processes are capable of accessing multiple sections of the bulletin board resource.

160. The system as recited in claim 155, wherein the system is operable such that a bulletin board manager sends notifications to the different processes based on a state of the information on the bulletin board resource.

161. The system as recited in claim 155, wherein the information includes variables.

162. The system as recited in claim 161, wherein the information includes input variables.

163. The system as recited in claim 161, wherein the information includes output variables.

164. The system as recited in claim 155, wherein the different processes include local processes.

165. The system as recited in claim 155, wherein the different processes include remote processes.

166. The system as recited in claim 155, wherein the system is operable such that at least one of the different processes process the information in a manner that is isolated from temporal characteristics associated with at least one of the heterogeneous networks.

167. The system as recited in claim 155, wherein the different processes include both event triggered processes and time triggered processes.

168. The system as recited in claim 155, wherein the system is operable such that the message is received by a bulletin board manager.

169. The system as recited in claim 155, wherein the system is operable such that the information is converted from a signal received by a bulletin board manager.

170. The system as recited in claim 155, wherein the system is operable such that the information is shared in a single task.

171. The system as recited in claim 155, wherein the system is operable such that the information is shared according to a schedule.

172. The system as recited in claim 155, wherein the system is operable such that the information is shared with an operating system.

173. The system as recited in claim 155, wherein the system is operable such that dynamic preemptive scheduling is provided.

174. The system as recited in claim 155, wherein the system is operable such that the bulletin board resource is protected.

175. The system as recited in claim 155, wherein the system is operable such that the bulletin board resource is protected utilizing a schedule that allows information sharing utilizing the bulletin board.

176. The system as recited in claim 155, wherein the system is operable such that the bulletin board resource is protected utilizing semaphores.

177. The system as recited in claim 155, wherein the system is operable such that the information is shared according to an internal clock.

178. The system as recited in claim 155, wherein the system is operable such that the information is shared according to an external clock.

179. The system as recited in claim 155, wherein the system is operable such that objects are generated based on a change of state of the information stored on the bulletin board resource.

180. The system as recited in claim 179, wherein the objects include at least one of flags, events, signals, and interrupts.

181. The system as recited in claim 155, wherein the system is operable such that the information is stored in response to interrupts associated with the different processes.

182. The system as recited in claim 155, wherein the bulletin board resource is replicated through a distributed system.

183. The system as recited in claim 155, wherein the system is operable such that the information is shared across the heterogeneous networks with only a portion of a network communication protocol header.

184. The system as recited in claim 155, wherein the system is operable such that the bulletin board updates the different processes with the information at a first rate that differs from a second rate with which the different processes send the information to the bulletin board.

185. The system as recited in claim 155, wherein the system is operable such that event triggers are provided independent of a link connection between nodes where the different processes are carried out.

186. The system as recited in claim 155, wherein the system is operable such that failure redundancy is provided across multiple independent links across diverse physical connections.

187. The system as recited in claim 155, wherein the system is operable such that the bulletin board resource is accessed with guaranteed at least one of access times, jitter, or bandwidth.

188. The system as recited in claim 155, wherein the information has a user-configured constraint associated therewith.

189. The system as recited in claim 188, wherein the constraint includes a memory constraint.

190. The system as recited in claim 188, wherein the constraint includes a real-time constraint.

191. The system as recited in claim 188, wherein the constraint is configured utilizing a tool.

192. The system as recited in claim 155, wherein the system is operable such that the information is processed utilizing a first bulletin board and stored utilizing a second bulletin board.

193. The system as recited in claim 155, wherein the system is operable such that instances of the information are time-stamped when stored on the bulletin board resource for temporal reference.

194. The system as recited in claim 155, wherein the system is operable such that the bulletin board updates the different processes based on an event.

195. The system as recited in claim 155, wherein the first network protocol is a standard protocol.

196. The system as recited in claim 155, wherein the first network protocol is a nonstandard proprietary protocol.

197. The system as recited in claim 155, wherein the system is part of an embedded system.

198. The system as recited in claim 155, wherein the system includes software.

199. The system as recited in claim 155, wherein the system includes embedded software.

200. The system as recited in claim 155, wherein the system includes hardware.

201. The system as recited in claim 155, wherein the system includes middleware.

202. The system as recited in claim 155, wherein the system is operable such that the real-time involves a response time that is measured in milliseconds.

203. The system as recited in claim 155, wherein the system is operable such that the real-time involves a response time that is measured in microseconds.

204. The system as recited in claim 155, wherein the system is operable such that the real-time involves a response time that is less than 1 second.

205. The system as recited in claim 155, wherein the first network is a sub-network.

206. The system as recited in claim 155, wherein the heterogeneous networks are sub-networks.

207. The system as recited in claim 155, wherein the first process is associated with software.

208. The system as recited in claim 155, wherein the first process is associated with hardware.

209. The system as recited in claim 155, wherein the bulletin board resource includes a portion of the one or more bulletin boards.

210. The system as recited in claim 155, wherein the at least one bulletin board includes a multi-mode storage.

211. The system as recited in claim 155, wherein the bulletin board resource includes a section of memory.

212. The system as recited in claim 155, wherein the bulletin board resource is a component of firmware.

213. The system as recited in claim 155, wherein the bulletin board resource is a component of an electronic control unit.

214. The system as recited in claim 155, wherein the bulletin board resource is a component of a gateway.

215. The system as recited in claim 155, wherein the bulletin board resource includes a section of non-volatile memory of the one or more bulletin boards.

216. The system as recited in claim 155, wherein the bulletin board resource includes a section of volatile memory of the one or more bulletin boards.

217. The system as recited in claim 155, wherein the bulletin board resource includes a data entry.

218. The system as recited in claim 217, wherein the data entry includes an array of values.

219. The system as recited in claim 217, wherein the data entry includes an array of values that represents a time series.

220. The system as recited in claim 155, wherein the determination is carried out as part of explicit resource management.

221. The system as recited in claim 155, wherein the bulletin board includes at least two different types of memory.

222. The system as recited in claim 155, wherein the determination is carried out as part of implicit resource management.

223. The system as recited in claim 155, wherein the bulletin board includes non-volatile memory and volatile memory.

224. The system as recited in claim 155, wherein the bulletin board includes a shared memory.

225. The system as recited in claim 155, wherein the bulletin board includes a database.

226. The system as recited in claim 155, wherein the bulletin board includes an embedded database.

227. The system as recited in claim 155, wherein at least one aspect of the bulletin board grows linearly with a number of the heterogeneous networks.

228. The system as recited in claim 155, wherein the message includes a packet data unit.

229. The system as recited in claim 155, wherein the information includes data.

230. The system as recited in claim 155, wherein the information includes at least one file.

231. The system as recited in claim 155, wherein the information includes a signal.

232. The system as recited in claim 155, wherein the circuit includes a processor.

233. The system as recited in claim 155, wherein the system is part of an automotive system.

234. The system as recited in claim 155, wherein the information is associated with engine control.

235. The system as recited in claim 155, wherein the information is associated with brake control.

236. The system as recited in claim 155, wherein the information is associated with diagnostics.

237. The system as recited in claim 155, wherein the system is part of a control system.

238. The system as recited in claim 155, wherein the system is part of a monitoring system.

239. The system as recited in claim 155, wherein the system is part of an apparatus including a plurality of electronic control units capable of interfacing at least one of an actuator or a sensor.

240. The system as recited in claim 239, wherein the apparatus further includes at least one gateway capable of interfacing the plurality of electronic control units.

241. The system as recited in claim 240, wherein the gateway includes a group gateway.

242. The system as recited in claim 240, wherein the gateway includes a subgroup gateway.

243. The system as recited in claim 240, wherein the gateway includes a system gateway.

244. The system as recited in claim 239, wherein at least one of the electronic control units is a virtual electronic control unit.

245. The system as recited in claim 239, wherein at least one of the electronic control units and the gateway include a single device.

246. The system as recited in claim 155, wherein the system is part of an apparatus including at least one electronic control unit capable of interfacing at least one of an actuator or a sensor;

and at least one gateway;

wherein the gateway is capable of storing a processing image on the bulletin board.

247. The system as recited in claim 155, wherein the system is part of an apparatus that is capable of interfacing a diagnostic tool and a design tool.

248. The system as recited in claim 155, wherein the system is part of an apparatus including a plurality of layers including an application layer, a middleware layer, a real-time operating system layer, a device driver layer, and a hardware abstraction layer.

249. The system as recited in claim 155, wherein the system is part of an apparatus including a plurality of layers including at least two of an application layer, a middleware layer, a real-time operating system layer, a device driver layer, and a hardware abstraction layer.

250. The system as recited in claim 155, wherein the system is part of an apparatus including a plurality of layers including at least three of an application layer, a middleware layer, a real-time operating system layer, a device driver layer, and a hardware abstraction layer.

251. The system as recited in claim 155, wherein the system is part of an apparatus including a plurality of layers including at least four of an application layer, a middleware layer, a real-time operating system layer, a device driver layer, and a hardware abstraction layer.

252. The system as recited in claim 155, wherein the bulletin board is operable such that temporal behavior of communications does not impact a real-time computing task.

253. The system as recited in claim 155, and further comprising computer code for providing software upgrades for each of a plurality of modules.

254. The system as recited in claim 253, wherein the system is operable such that the software upgrades are downloaded via a communication link.

255. The system as recited in claim 155, wherein the bulletin board is operable such that network efficiency is increased by reducing a number of transactions needed to access remote variables.

256. The system as recited in claim 155, wherein the bulletin board is a direct-access bulletin board.

257. The system as recited in claim 155, wherein the bulletin board is operable so as not to require a network layer translation of messages.

258. The system as recited in claim 155, wherein the bulletin board is operable so as to allow cross-network variable sharing though vertical real-time replication of data.

259. The system as recited in claim 155, wherein the bulletin board is operable to restrict information access to certain levels in a particular network.

260. The system as recited in claim 155, wherein the bulletin board is operable to restrict information access to certain levels in an associated network, while allowing replication of the information to nodes in a particular network.

261. The system as recited in claim 155, wherein the system is operable such that multiple modes of operation are enabled in order to provide for a guaranteed deterministic behavior.

262. The system as recited in claim 155, wherein the system is operable such that multiple modes of operation are enabled, wherein at least one of the modes includes a secured configuration or upgrade mode that allows changes to configuration and/or functions.

263. The system as recited in claim 155, wherein the system is operable such that multiple modes of operation are enabled, wherein at least one of the modes includes a diagnostic mode.

264. The system as recited in claim 155, wherein the system is operable such that a topology of a distributed computing and communication apparatus is capable of being designed independent of a definition of individual functions that a particular network performs.

265. The system as recited in claim 155, wherein the heterogeneous networks include serial multiplexing bus-systems.

266. The system as recited in claim 265, wherein the system is operable such that the serial multiplexing bus-systems include one of a controller area network, a Flexray network, a LIN network, a J1850 network, a J1708 network, a MOST network, and a IEEE1394 network.

267. The system as recited in claim 155, wherein the system is operable such that the message is processed at each of a plurality of layers.

268. The system as recited in claim 155, wherein the bulletin board includes a system bulletin board.

269. The system as recited in claim 155, wherein the bulletin board includes a group bulletin board.