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Data transmission method and device

A data transmission method and a technology of a data transmission device, which are applied in the communication field and can solve problems such as data overflow, network collapse, and forwarding CSE congestion

Active Publication Date: 2017-01-18
HUAWEI TECH CO LTD
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Problems solved by technology

[0004] However, the problem with this method is that when there is a large burst of data in a short period of time, a large amount of data may be aggregated on the forwarding CSE before the sending time point of the forwarding CSE arrives. In this way, the forwarding CSE cannot send If the data is sent out, it may cause the forwarding CSE congestion or data overflow, which will cause the network to crash

Method used

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  • Data transmission method and device

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Embodiment Construction

[0085] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0086] The terms "system" and "network" are often used interchangeably herein. The term "and / or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations. In addition, the character " / " in this article generally indicates that the contextual objects are an "...

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Abstract

The embodiment of the invention discloses a data transmission method and device, and relates to the field of communication technology. Forward CSE congestion or data overflow can be avoided when the amount of burst data is large. The network stability is enhanced. The method comprises the steps that forward CSE receives a first resource, wherein the first resource comprises the first data sent by source CSE to destination CSE, the identity of the source CSE and the identity of the destination CSE; if the current time does not reach the sending time point of the forward CSE , the forward CSE aggregates the first data with second data to acquire aggregated data, wherein the second data are buffered by the forward CSE and sent by the source CSE to the destination CSE; and if the data amount of the aggregated data is greater than or equal to a capacity threshold, the forward CSE sends the aggregated data, wherein the capacity threshold is determined when the CSE first receives the data of a first category, and the first data and the second data belong to the first category.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission method and device. Background technique [0002] A machine-to-machine (English: Machine to Machine, abbreviation: M2M) technology is an important technology in the context of the Internet of Things, wherein having a large number of nodes is one of the characteristics of the M2M network. The global standardization organization oneM2M divides the M2M network into application layer, public service layer and network service layer, see figure 1 . Among them, the application layer is managed by the application entity (English: Application Entity, abbreviation: AE), the public service layer is managed by the public service entity (English: Common Service Entity, abbreviation: CSE), and the network service layer is managed by the network service entity (English: NetworkService Entity). , Abbreviation: NSE) management. The public service layer is the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/00
Inventor 尹长川武霄泳罗涛
Owner HUAWEI TECH CO LTD
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