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Method for determining path news based on resource pre-reserved protocol

A resource reservation protocol and path message technology, which is applied in the field of path message confirmation, can solve the problems of prolonged confirmation time, increased number of messages, and no consideration, so as to shorten the time, save network resources and system resources, and reduce transmission. effect of quantity

Inactive Publication Date: 2006-11-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the received Resv message is not considered during the message sending process, the time required for the confirmation of the entire Path message is lengthened, and the number of messages transmitted between nodes is also increased.

Method used

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  • Method for determining path news based on resource pre-reserved protocol
  • Method for determining path news based on resource pre-reserved protocol
  • Method for determining path news based on resource pre-reserved protocol

Examples

Experimental program
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Embodiment Construction

[0033] According to the RSVP, it is known that to complete the establishment of the LSP, Path / Resv messages need to be transmitted between the nodes at both ends of the LSP. The downstream node (ie, the receiver of the Path message) may send a Resv message to the upstream node (ie, the sender of the Path message) only after receiving the Path message. At the same time, when the upstream node receives the Resv message from the downstream node, it can uniquely match the soft state established by a sent Path message. Therefore, if the downstream node sends back the corresponding Resv message before returning the ACK of the Path message to the upstream node, it can be proved that the downstream node has received the relevant Path message according to the Resv message.

[0034] That is to say, after the upstream node sends the Path message, if the downstream node responds to the Resv message quickly, the Resv message does not need to carry the ACK of the Path message (common RSVP m...

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Abstract

Present invention relates to a resource obligate protocol based on route message confirmation method. It includes transmission side transmitting resource obligate protocol based RSVP route Path message to receive side, then when transmission side received receive side feeding back said Path message corresponded resource obligate Resv message, confirming receive side received said Path message. The present invention effectively shortens confirming said Path message required time, raising internet work communication systematical performance; at the same time reducing transmitted message number in network, effectively saving network resources and system resources.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for confirming path messages based on a resource reservation protocol. Background technique [0002] RSVP (Resource Reservation Protocol) is a kind of MPLS (Multi-Protocol Label Switching) control protocol. RSVP includes a set of messages, objects and related processes, and said RSVP cooperates with other protocols to realize corresponding functions. The main RSVP messages are: path message Path, reserved message Resv, path error message PathErr, reserved error message ResvErr, path clear PathTear, reserved clear message ResvTear, reserved confirmation message ResvConf, general confirmation message ACK, neighbor reply message Hello , the profile refresh message SRefresh, and the notification message Notify. [0003] The ACK message is a message in RSVP that needs to be confirmed in response to the message. The ACK message specifies the confirmed message th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56
Inventor 蔡军州闫早发
Owner HUAWEI TECH CO LTD
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