IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0891522
(2001-06-27)
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발명자
/ 주소 |
- Khare, Manoj
- Kumar, Akhilesh
- Schoinas, Ioannis
- Looi, Lily Pao
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출원인 / 주소 |
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인용정보 |
피인용 횟수 :
39 인용 특허 :
140 |
초록
▼
Embodiments of the present invention relate to methods and apparatus for managing transaction requests in a multi-node architecture. In one embodiment, a previously received ordered group request may be forwarded to a destination agent. Whether a next received ordered group request belongs to a same
Embodiments of the present invention relate to methods and apparatus for managing transaction requests in a multi-node architecture. In one embodiment, a previously received ordered group request may be forwarded to a destination agent. Whether a next received ordered group request belongs to a same ordered group as the previously received ordered group request may be determined. Additionally, it may be determined whether an ordering fork is encountered if the next received ordered group request belongs to the same ordered group as the previously received ordered group request. If an ordering fork is encountered, it may be determined whether a request complete message for the previously received ordered group request has been received. If the request complete message for the previously received ordered group request has not been received and the next received ordered group request in the same ordered group is at least one of a un-ordered request and a forward-ordered request, then the next received ordered group request may be forwarded to the destination agent after the request complete message for the previously received at least one of a forward-ordered request and a sequential-ordered request issued on a different path at the ordering fork has been received.
대표청구항
▼
1. A method of managing transaction requests in a multi-node architecture, the method comprising:forwarding a previously received ordered group request to a destination agent;determining whether a next received ordered group request belongs to a same ordered group as the previously received ordered
1. A method of managing transaction requests in a multi-node architecture, the method comprising:forwarding a previously received ordered group request to a destination agent;determining whether a next received ordered group request belongs to a same ordered group as the previously received ordered group request;determining whether an ordering fork is encountered if the next received ordered group request belongs to the same ordered group as the previously received ordered group request;if an ordering fork is encountered, determining whether a request complete message for the previously received ordered group request has been received; andif the request complete message for the previously received ordered group request has not been received and the next received ordered group request in the same ordered group is at least one of a un-ordered request and a forward-ordered request, then forwarding the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a forward-ordered request and a sequential-ordered request issued on a different path at the ordering fork has been received.2. The method of claim 1, further comprising:forwarding the next received ordered group request to the destination agent if the next received ordered group request belongs to a different ordered group than the ordered group of the previously received ordered group request.3. The method of claim 1, further comprising:forwarding the next received ordered group request to the destination agent if no ordering fork is encountered.4. The method of claim 1, further comprising:forwarding the next received ordered group request in the same ordered group to the destination agent if the request complete message for the previously received ordered group request has been received.5. The method of claim 1, further comprising:if the request complete message for the previously received ordered group request has not been received and the next received ordered group request in the same ordered group is at least one of a backward-ordered request and a sequentially-ordered request, then forwarding the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a un-ordered, forward-ordered, backward-ordered and sequential-ordered requests issued on the different path at the ordering fork has been received.6. A system of managing transaction requests in a multi-node architecture, the system comprising:a requesting agent to issue one or more ordered group requests;a receiving agent to receive the one or more issued ordered group requests and to examine the one or more issued ordered group requests; anda destination agent to process the one or more issued ordered group requests, wherein the receiving agent to examine the one or more issued ordered group requests to determine whether a request complete message for a previously received ordered group request has been received, and if the request complete message for the previously received ordered group request has not been received and a next received ordered group request is at least one of a un-ordered request and a forward-ordered request, then the receiving agent to forward the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a forward-ordered request and a sequential-ordered request issued on a different path at an ordering fork has been received.7. The system of claim 6, wherein receiving agent further determines whether the next received ordered group request belongs to a same ordered group as the previously received ordered group request.8. The system of claim 7, wherein the receiving agent forwards the next received ordered group request to the destination agent if the next received ordered group request belongs to a different ordered group than the ordered group of the previously received ordered group request.9. The system of claim 7, wherein the receiving agent forwards the next received ordered group request in the same ordered group as the previously received ordered group request to the destination agent if the request complete message for the previously received ordered group request has been received.10. The system of claim 6, wherein the receiving agent forwards the next received ordered group request to the destination agent if no ordering fork is encountered.11. The system of claim 6, wherein if the request complete message for the previously received ordered group request has not been received and the next received ordered group request is at least one of a backward-ordered request and a sequentially-ordered request, then the receiving agent forwards the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a un-ordered, forward-ordered, backward-ordered and sequential-ordered requests issued on the different path at the ordering fork has been received.12. A receiving agent for managing transaction requests in a multi-node architecture, wherein the receiving agent comprising:a processor to forward a previously received ordered group request to a destination agent, the processor further to receive one or more ordered group requests from a requesting agent and to examine the one or more issued ordered group requests to determine whether a request complete message for a previously received ordered group request has been received, the processor additionally to determine whether an ordering fork is encountered if the next received ordered group request belongs to the same ordered group as the previously received ordered group request, and if the request complete message for the previously received ordered group request has not been received and a next received ordered group request is at least one of a un-ordered request and a forward-ordered request, then the processor to forward the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a forward-ordered request and a sequential-ordered request issued on a different path at the ordering fork has been received.13. The receiving agent of claim 12, wherein the processor further determines whether the next received ordered group request belongs to a same ordered group as the previously received ordered group request.14. The receiving agent of claim 13, wherein the processor forwards the next received ordered group request to the destination agent if the next received ordered group request belongs to a different ordered group than the ordered group of the previously received ordered group request.15. The receiving agent of claim 13, wherein the processor forwards the next received ordered group request in the same ordered group as the previously received ordered group request to the destination agent if the request complete message for the previously received ordered group request has been received.16. The receiving agent of claim 12, wherein the processor forwards the next received ordered group request to the destination agent if no ordering fork is encountered.17. The receiving agent of claim 12, wherein if the request complete message for the previously received ordered group request has not been received and the next received ordered group request is at least one of a backward-ordered request and a sequentially-ordered request, then the processor forwards the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a un-ordered, forward-ordered, backward-ordered and sequential-ordered requests issued on the different path at the ordering fork has been received.18. A method for managing transaction requests in a multi-node architecture, the method comprising:forwarding a previously received ordered group request to a destination agent;receiving one or more ordered group requests from a requesting agent;examine the one or more issued ordered group requests to determine whether a next received ordered group request belongs to a same ordered group as the previously received ordered group request;determine whether an ordering fork is encountered if the next received ordered group request belongs to the same ordered group as the previously received ordered group request;if the request complete message for the previously received ordered group request has not been received and a next received ordered group request is at least one of a un-ordered request and a forward-ordered request, then forwarding the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a forward-ordered request and a sequential-ordered request issued on a different path at the ordering fork has been received.19. The method of claim 18, further comprising:forwarding a previously received ordered group request to the destination agent.20. The method of claim 18, further comprising:determining whether the next received ordered group request belongs to a same ordered group as the previously received ordered group request.21. The method of claim 20, further comprising:forwarding the next received ordered group request to the destination agent if the next received ordered group request belongs to a different ordered group than the ordered group of the previously received ordered group request.22. The method of claim 20, further comprising:forwarding the next received ordered group request in the same ordered group as the previously received ordered group request to the destination agent if the request complete message for the previously received ordered group request has been received.23. The method of claim 18, further comprising:forwarding the next received ordered group request to the destination agent if no ordering fork is encountered.24. The method of claim 18, further comprising,if the request complete message for the previously received ordered group request has not been received and the next received ordered group request is at least one of a backward-ordered request and a sequentially-ordered request, then forwarding the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a un-ordered, forward-ordered, backward-ordered and sequential-ordered requests issued on the different path at the ordering fork has been received.25. A machine-readable medium having stored thereon a plurality of executable instructions, the plurality of instructions comprising instructions to:forward a previously received ordered group request to a destination agent;determine whether a next received ordered group request belongs to a same ordered group as the previously received ordered group request;determine whether an ordering fork is encountered if the next received ordered group request belongs to the same ordered group as the previously received ordered group request;if an ordering fork is encountered, determine whether a request complete message for the previously received ordered group request has been received; andif the request complete message for the previously received ordered group request has not been received and the next received ordered group request in the same ordered group is at least one of a un-ordered request and a forward-ordered request, then forward the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a forward-ordered request and a sequential-ordered request issued on a different path at the ordering fork has been received.26. The machine-readable medium of claim 25 having stored thereon additional executable instructions, the additional instructions comprising instructions to:forward the next received ordered group request to the destination agent if the next received ordered group request belongs to a different ordered group than the ordered group of the previously received ordered group request.27. The machine-readable medium of claim 25 having stored thereon additional executable instructions, the additional instructions comprising instructions to:forward the next received ordered group request to the destination agent if no ordering fork is encountered.28. The machine-readable medium of claim 25 having stored thereon additional executable instructions, the additional instructions comprising instructions to:forward the next received ordered group request in the same ordered group to the destination agent if the request complete message for the previously received ordered group request has been received.29. The method of claim 25, further comprising:if the request complete message for the previously received ordered group request has not been received and the next received ordered group request in the same ordered group is at least one of a backward-ordered request and a sequentially-ordered request, then forward the next received ordered group request to the destination agent after the request complete message for the previously received at least one of a un-ordered, forward-ordered, backward-ordered and sequential-ordered requests issued on the different path at the ordering fork has been received.
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