Method, system and program products for controlling system traffic of a clustered computing environment

• US 6,925,490 B1
• Filed: 05/31/2000
• Issued: 08/02/2005
• Est. Priority Date: 05/31/2000
• Status: Expired due to Fees

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Novaes, Marcos N., Knop, Felipe, Laib, Gregory D., Goering, Ronald T., Sohos, George
• Primary Examiner(s): Burgess, Glenton B.
• Assistant Examiner(s): PARTON, KEVIN S
• Application Number:
  US09/583,849
• Time in Patent Office: 1,889 Days
• Field of Search: 709/201, 709217-219, 709/227, 709/232, 709/235, 709/226, 709/223
• US Class Current: 709/219
• CPC Class Codes: G06F 9/465 Distributed object oriented systems remote method invocation [RMI] G06F9/548

Abstract

Various components are provided to manage a clustered environment. These components include a System Registry that provides a global data storage; a Configuration manager that stores data locally on nodes of the clustered environment and globally within the System Registry; a Liveness component to provide status of communications paths of the cluster; a Group Services component that provides services to one or more other components of the clustered environment; and a Resource Management component that communicates with one or more resource controllers of the clustered environment. Each of the components of the clustered environment has one or more data and/or functional dependencies on one or more other components of the environment. However, relationships between the components are created such that the data and functional dependencies form an acyclic graph (i.e., a cycle of dependency relationships is avoided).

Claims

1. A method of controlling system traffic of a clustered computing environment, said method comprising:

mapping one or more node addresses, for a service to be provided, to one or more network objects defined for said service, wherein the mapping of a node address comprises performing one or more operations on the node address to locate a particular network object of a plurality of network objects, said particular network object corresponding to the node address and including a network priority assigned to the node address for the service to be provided, said network priority indicating an order of preference for using one network over another network to access the service;

obtaining from said one or more network objects one or more network priorities of said service; and

contacting said service based on said one or more network priorities.

2. The method of claim 1, wherein said mapping of the node address comprises:

performing the one or more operations on the node address to identify a subnetwork object for the node address; and

retrieving from the subnetwork object an indication of the particular network object corresponding to the node address.

3. The method of claim 2, wherein the performing the one or more operations to identify the subnetwork object for the node address comprises performing an operation of the node address and a subnetwork mask corresponding to the node address to obtain an identification of the subnetwork object for the node address.

4. The method of claim 3, wherein said operation comprises a logical AND operation.

5. The method of claim 1, further comprising ordering the one or more network priorities.

6. The method of claim 1, wherein said service comprises a system registry.

7. The method of claim 1, wherein a network object of said one or more network objects is associated with one or more subnetworks, and a subnetwork of said one or more subnetworks is associated with one or more nodes having one or more node addresses.

8. The method of claim 1, wherein the traffic for the service is restricted to one or more networks specified for that service.

9. The method of claim 1, further comprising obtaining the one or more node addresses.

10. The method of claim 9, wherein the obtaining is dependent on the service to be provided.

11. The method of claim 9, wherein said service comprises a system registry service, and said obtaining comprises obtaining the one or more node addresses from a local configuration.

12. A system of controlling system traffic of a clustered computing environment, said system comprising:

means for mapping one or more node addresses, for a service to be provided, to one or more network objects defined for said service, wherein the means for mapping a node address comprises means for performing one or more operations on the node address to locate a particular network object of a plurality of network objects, said particular network object corresponding to the node address and including a network priority assigned to the node address for the service to be provided, said network priority indicating an order of preference for using one network over another network to access the service;

means for obtaining from said one or more network objects one or more network priorities of said service; and

means for contacting said service based on said one or more network priorities.

13. The system of claim 12, wherein said means for mapping of the node address comprises:

means for performing the one or more operations on the node address to identify a subnetwork object for the node address; and

means for retrieving from the subnetwork object an indication of the particular network object corresponding to the node address.

14. The system of claim 13, wherein the means for performing the one or more operations to identify the subnetwork object for the node address comprises means for performing an operation of the node address and a subnetwork mask corresponding to the node address to obtain an identification of the subnetwork object for the node address.

15. The system of claim 14, wherein said operation comprises a logical AND operation.

16. The system of claim 12, further comprising means for ordering the one or more network priorities.

17. The system of claim 12, wherein said service comprises a system registry.

18. The system of claim 12, wherein a network object of said one or more network objects is associated with one or more subnetworks, and a subnetwork of said one or more subnetworks is associated with one or more nodes having one or more node addresses.

19. The system of claim 12, wherein the traffic for the service is restricted to one or more networks specified for that service.

20. The system of claim 12, further comprising means for obtaining the one or more node addresses.

21. The system of claim 20, wherein the obtaining is dependent on the service to be provided.

22. The system of claim 20, wherein said service comprises a system registry service, and said means for obtaining comprises means for obtaining the one or more node addresses from a local configuration.

23. A system of controlling system traffic of a clustered computing environment, said system comprising:

one or more node addresses for a service to be provided mapped to one or more network objects defined for said service, wherein one or more operations are performed on a node address to locate a particular network object of a plurality of network objects, said particular network object corresponding to the node address and including a network priority assigned to the node address for the service to be provided, said network priority indicating an order of preference for using one network over another network to access the service;

one or more network priorities of said service obtained from said one or more network objects; and

a node to contact said service based on said one or more network priorities.

24. At least one program storage device readable by a machine tangibly embodying at least one program of instructions executable by the machine to perform a method of controlling system traffic of a clustered computing environment, said method comprising:

mapping one or more node addresses, for a service to be provided, to one or more network objects defined for said service, wherein the mapping of a node address comprises performing one or more operations on the node address to locate a particular network object of a plurality of network objects, said particular network object corresponding to the node address and including a network priority assigned to the node address for the service to be provided, said network priority indicating an order of preference for using one network over another network to access the service;

obtaining from said one or more network objects one or more network priorities of said service; and

contacting said service based on said one or more network priorities.

25. The at least one program storage device of claim 24, wherein said mapping of the node address comprises:

performing the one or more operations on the node address to identify a subnetwork object for the node address; and

retrieving from the subnetwork object an indication of the particular network object corresponding to the node address.

26. The at least one program storage device of claim 25, wherein the performing the one or more operations to identify the subnetwork object for the node address comprises performing an operation of the node address and a subnetwork mask corresponding to the node address to obtain an identification of the subnetwork object for the node address.

27. The at least one program storage device of claim 26, wherein said operation comprises a logical AND operation.

28. The at least one program storage device of claim 24, wherein said method further comprises ordering the one or more network priorities.

29. The at least one program storage device of claim 24, wherein said service comprises a system registry.

30. The at least one program storage device of claim 24, wherein a network object of said one or more network objects is associated with one or more subnetworks, and a subnetwork of said one or more subnetworks is associated with one or more nodes having one or more node addresses.

31. The at least one program storage device of claim 24, wherein the traffic for the service is restricted to one or more networks specified for that service.

32. The at least one program storage device of claim 24, wherein said method further comprises obtaining the one or more node addresses.

33. The at least one program storage device of claim 32, wherein the obtaining is dependent on the service to be provided.

34. The at least one program storage device of claim 32, wherein said service comprises a system registry service, and said obtaining comprises obtaining the one or more node addresses from a local configuration.