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Negotiation Fragmentation Method and Device for Link Management Protocol

A link management protocol and message negotiation technology, applied in 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, and frequent message fragmentation, etc. The problem is to reduce the probability of packet loss and the effect of reducing the number of packets.

Active Publication Date: 2022-05-13
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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  • Negotiation Fragmentation Method and Device for Link Management Protocol
  • Negotiation Fragmentation Method and Device for Link Management Protocol
  • Negotiation Fragmentation Method and Device for 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 packet;

[0030] S202....

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Abstract

The invention discloses a method for negotiating fragmentation of a link management protocol, comprising: a first node sends a configuration message to a second node, wherein the configuration message carries a negotiated length value of the first message; In the case of the configuration passing message sent by the two nodes, the first node packs the scheduled message according to the negotiated length value of the first message, and sends the packaged scheduled message to the second node. The present invention negotiates the maximum message length that can be sent before transmitting the message, so that when too many data links cause the message to be too long and needs to be fragmented, the fragmentation can be performed according to the negotiated maximum message length, reducing The number of fragmented packets reduces the probability of packet loss after fragmentation, and solves the problem of frequent fragmentation of packets during sending in the prior art, which increases the probability of packet loss after fragmentation and affects the network stability and performance issues.

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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Patent Type & Authority Patents(China)
IPC IPC(8): H04L69/24H04L69/166H04L47/36H04L47/32
CPCH04L9/40
Inventor 吴海生
Owner ZTE CORP
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