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A negotiation fragmentation method and device for a link management protocol

A link management protocol and message negotiation technology, applied in the direction of secure communication devices, digital transmission systems, electrical components, etc., can solve the problem of increasing the probability of message loss, affecting network stability and performance, frequent message fragmentation, etc. problem, to achieve the effect of reducing the number and reducing the probability of message loss

Active Publication Date: 2019-05-07
ZTE CORP
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Problems solved by technology

[0005] The present invention provides a method and device for negotiating fragmentation of a link management protocol, which is used to solve the problem that in the prior art, messages are frequently fragmented when they are sent, which increases the probability of message loss after fragmentation and affects network security. Stability and performance issues

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  • A negotiation fragmentation method and device for a link management protocol
  • A negotiation fragmentation method and device for a link management protocol
  • A negotiation fragmentation method and device for a link management protocol

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Embodiment Construction

[0027]In order to solve the problems in the prior art that messages are frequently fragmented when they are sent, increasing the probability of message loss after fragmentation and affecting the stability and performance of the network, the present invention provides a link management protocol negotiation The film method and device will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] The first embodiment of the present invention provides a method for negotiating fragmentation of LMP, the flow chart of which is as follows figure 2 As shown, specifically steps S201 and S202 are included:

[0029] S201. The first node sends a configuration message to the second node, where the configuration message carries a negotiated length value of the first message;

[0030] S202...

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Abstract

The invention discloses a negotiation fragmentation method of a link management protocol, which comprises the following steps: a first node sends a configuration message to a second node, wherein theconfiguration message carries a first message negotiation length value; and under the condition that the first node receives a configuration passing message sent by the second node, the first node packages the predetermined message according to the first message negotiation length value, and sends the packaged predetermined message to the second node. According to the invention, before a message is transmitted, the maximum message length that can be sent is negotiated; therefore, when the message is too long and needs to be fragmented due to too many data links, fragmentation can be carried out according to the negotiated maximum message length, so that the number of fragmented messages is reduced, the probability of loss of fragmented messages is reduced, and the problems that in the prior art, messages are frequently fragmented during sending, the probability of loss of fragmented messages is increased, and the stability and performance of a network are affected are solved.

Description

technical field [0001] The invention relates to the field of data network communication, in particular to a link management protocol (LMP, Link Management Protocol) negotiation fragmentation method and device. Background technique [0002] In the current generalized multi-protocol label switching protocol suite (GMPLS, Generalized multi-protocol labelswitching), LMP is used to manage links between nodes and control channel (IPCC, IP Control Channel) management. The functions of LMP include control channel management, link attribute association, link connectivity verification and fault management. Among them, the first two items are used to manage traffic engineering (TE, Traffic Engineering), which are the core functions necessary for the link; the last two items are optional extension functions, which are used to cope with the separation of the control channel and the data channel. [0003] The messages in the LMP protocol are User Datagram Protocol (UDP, User Datagram Pro...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L9/40
Inventor 吴海生
Owner ZTE CORP
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