Apparatus and method for identifying server computer aggregation topologies

• US 5,818,448 A
• Filed: 07/02/1996
• Issued: 10/06/1998
• Est. Priority Date: 07/02/1996
• Status: Expired due to Term

• Current Assignee: Oracle America, Inc. (Oracle Corporation)
• Original Assignee: Sun Microsystems Incorporated (Oracle Corporation)
• Inventors: Katiyar, Dinesh
• Primary Examiner(s): KATBAB, ABDOLLAH
• Application Number:
  US08/678,408
• Time in Patent Office: 826 Days
• Field of Search: 395/200.3, 395/200.31, 395/200.33, 395/200.49, 395/680, 395/683, 395/684, 395/200.47, 395/200.48, 345/335
• US Class Current: 709/203
• CPC Class Codes: H04L 67/01 Protocols
• CPC Class Codes: H04L 67/133 Protocols for remote procedure calls [RPC]

Abstract

A method of processing a remote procedure call from a client computer to an object stored on an aggregation of server computers includes the step of checking a server aggregation location data field and a server aggregation contact strategy data field of the remote procedure call. The aggregation of server computers is designated as replicating server computers, migrating server computers, or federated server computers based upon the checking operation. Once a server computer aggregation topology is identified, parameters associated with the remote procedure call may be modified to alter the interaction with the server computer aggregation.

Claims

1. A client/server computer apparatus, comprising:

a transmission channel;

an aggregation of server computers connected to said transmission channel; and

a client computer connected to said transmission channel, said client computer executing

a first routine to check a server aggregation location data field and a server aggregation contact strategy data field of a remote procedure call generated by said client computer, and

a second routine to designate said aggregation of server computers as replicating server computers, migrating server computers, or federated server computers based upon the result of said first routine.

2. The apparatus of claim 1 wherein said first routine designates said aggregation of server computers as replicating server computers when said server aggregation location data field is complete and said server aggregation contact strategy data field is complete.

3. The apparatus of claim 1 wherein said first routine designates said aggregation of server computers as migrating server computers when said server aggregation location data field is incomplete and said server aggregation contact strategy data field is complete.

4. The apparatus of claim 1 wherein said first routine designates said aggregation of server computers as federated server computers when said server aggregation location data field is incomplete and said server aggregation contact strategy data field is incomplete.

5. The apparatus of claim 1 wherein said client computer executes a third routine to modify a remote procedure call parameter after said aggregation of server computers is designated.

6. A computer readable memory storing executable instructions for execution by a client computer of a client/server computer system including an aggregation of server computers, comprising:

a plurality of instruction sets stored in said computer readable memory, including

a first instruction set to check a server aggregation location data field and a server aggregation contact strategy data field of a remote procedure call generated by said client computer; and

a second instruction set to designate said aggregation of server computers as replicating server computers, migrating server computers, or federated server computers based upon said check operation of said first instruction set.

7. The computer readable memory of claim 6 wherein said first instruction set includes instructions to designate said aggregation of server computers as replicating server computers when said server aggregation location data field is complete and said server aggregation contact strategy data field is complete.

8. The computer readable memory of claim 6 wherein said first instruction set includes instructions to designate said aggregation of server computers as migrating server computers when said server aggregation location data field is incomplete and said server aggregation contact strategy data field is complete.

9. The computer readable memory of claim 6 wherein said first instruction set includes instructions to designate said aggregation of server computers as federated server computers when said server aggregation location data field is incomplete and said server aggregation contact strategy data field is incomplete.

10. The computer readable memory of claim 6 further comprising a third instruction set to modify a remote procedure call parameter after said aggregation of server computers is designated.

11. A method of processing a remote procedure call from a client computer to an object stored on an aggregation of server computers, said method comprising the steps of:

checking a server aggregation location data field and a server aggregation contact strategy data field of said remote procedure call; and

designating said aggregation of server computers as replicating server computers, migrating server computers, or federated server computers based upon said checking step.

12. The method of claim 11 wherein said designating step includes the step of designating said aggregation of server computers as replicating server computers when said server aggregation location data field is complete and said server aggregation contact strategy data field is complete.

13. The method of claim 11 wherein said designating step includes the step of designating said aggregation of server computers as migrating server computers when said server aggregation location data field is incomplete and said server aggregation contact strategy data field is complete.

14. The method of claim 11 wherein said designating step includes the step of designating said aggregation of server computers as migrating server computers when said server aggregation location data field is incomplete and said server aggregation contact strategy data field is incomplete.

15. The method of claim 11 further comprising the step of processing remote procedure call information in response to said designating step.

16. The method of claim 15 wherein said processing step includes the step of modifying a remote procedure call parameter in response to said designating step.

17. The method of claim 15 wherein said processing step includes the step of compiling client/server statistics in response to said designating step.

18. A method executed by a client computer under the control of a program, said client computer being connected to an aggregation of server computers, said client computer including a memory storing said program, said method comprising the steps of:

generating at said client computer a remote procedure call to said aggregation of server computers;

checking a server aggregation location data field and a server aggregation contact strategy data field of said remote procedure call; and

designating said aggregation of server computers as replicating server computers, migrating server computers, or federated server computers based upon said checking step.

19. The method of claim 18 wherein said designating step includes the step of designating said aggregation of server computers as replicating server computers when said server aggregation location data field is complete and said server aggregation contact strategy data field is complete.

20. The method of claim 18 wherein said designating step includes the step of designating said aggregation of server computers as migrating server computers when said server aggregation location data field is incomplete and said server aggregation contact strategy data field is complete.

21. The method of claim 18 wherein said designating step includes the step of designating said aggregation of server computers as migrating server computers when said server aggregation location data field is incomplete and said server aggregation contact strategy data field is incomplete.

22. The method of claim 18 further comprising the step of processing remote procedure call information in response to said designating step.

23. The method of claim 22 wherein said processing step includes the step of modifying a remote procedure call parameter in response to said designating step.

24. The method of claim 22 wherein said processing step includes the step of compiling client/server statistics in response to said designating step.