Method and device for data message transmission

A technology of data message and transmission method, which is applied in the field of communication, can solve the problems of increased cost, increased power consumption, increased chip area, etc., and achieve the effect of reducing power consumption and cost, and reducing cache
CN102780618AActive Publication Date: 2012-11-14HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
HUAWEI TECH CO LTD
Publication Date
2012-11-14

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Abstract

An embodiment of the invention provides a method and a device for data message transmission and relates to the field of communication. The method and the device can reduce cache distributed for users, a step in the prior art of recombining message fragments is omitted, and power consumption and cost of a chip are reduced. The method includes that a first message fragment which comprises a fragment start field and a fragment end field is received; and if the fragment end field comprises first identification, the first message fragment is converted into a first message slice of a corresponding format or a message slice of a corresponding format according to the fragment start field and the fragment end field and according to a preset rule. Whether the length of the message slice is larger than a preset value is judged according to the length of the message slice. If the length of the message slice is larger than the preset value, the message slice is used as the first message slice. The first message slice is sent to a buffer.
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Description

technical field

[0001] The present invention relates to the communication field, in particular to a data message transmission method and device. Background technique

[0002] In the data communication network, between the network processor and the modem chip, according to G.int (Interface between the link layer and the physical layer for digital subscriber line transceivers, the interface between the link layer and the physical layer of the digital subscriber line transceiver ) specification, a long data message is divided into many message segments for transmission.

[0003] In the prior art, after receiving multiple message fragments, it is necessary to cache and reassemble the multiple message fragments, then convert the reassembled data packets into message slices, and send the message slices to the buffer device. Since the Ethernet protocol stipulates that the maximum length of a data message is 1518 bytes, if a buffer is provided for each user to reassemble multiple ...

Claims

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