A packet resorting method and system

A technology of reordering and packet flow, applied in the field of network communication, can solve the problems of poor fault tolerance performance of reordering machines and abnormal packet transmission, and achieve the effects of avoiding waiting time, saving time, and preventing cache emptying.

Inactive Publication Date: 2008-03-19
HUAWEI TECH CO LTD +1
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  • Abstract
  • Description
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Problems solved by technology

[0032] The purpose of the present invention is to provide a packet reordering method and system to solve the problem of poor fault tolerance of the reordering machine, so that the output terminal can easily determine the abnormality

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  • A packet resorting method and system
  • A packet resorting method and system
  • A packet resorting method and system

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Embodiment Construction

[0095]Large-capacity switching networks have the characteristics of large packet traffic, fast input and output speeds, and large load changes. These characteristics of large-capacity switching networks make the transmission delay of packets transmitted in the switching network vary greatly and cannot be estimated. Therefore, packet transmission anomalies such as packet congestion and packet loss have a great impact on packet reordering in large-capacity switching networks. Of course, the abnormality of packet transmission also has an impact on the packet reordering in the switching network composed of a single switching unit. If during the packet reordering process, the output end of the switching network can quickly and accurately detect the transmission of the packet flow in the switching network, it can be quickly and correctly performed in various switching networks including large-capacity switching networks. Carry out packet reordering processing, thereby effectively av...

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Abstract

The invention provides a method and a system of packet reorder. In inputting the packet of a packet flow to a switching network, a switching network input end inputs the transmission information, such as transmission path of the packet and other packets in the packet flow to the switching network. Thereby, in packet reorder by a packet serial number, a switching network output end can determine the packet with abnormal transmission according to the received transmission path information and perform corresponding packet output treatment as for the packet with abnormal transmission, such as waiting for the packet with transmission congestion in preset time interval and directly outputting the next packet, without waiting for the lost packet. The invention can be applicable to the large capacity packet switching network, avoid unnecessary waiting time resulting from packet loss, realize the packet reorder efficiency and fault tolerance performance improvement of the packet reorder, and improve the packet reorder method of all switching networks including the large capacity packet switch network.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a grouping reordering method and system. Background technique [0002] At present, in a network system using packet switching, different packets of the same service flow usually arrive at the same output port along different paths. Due to the different transmission delays in different paths, the arrangement order of the packet flow at the output port will be disrupted, that is, the arrangement order of the packet flow at the output port is different from the arrangement order of the packet flow flowing from the input port into the switching network up. [0003] With the development of network technology, more and more network application technologies such as streaming media require packet flow to be transmitted in order in the switching network, that is to say, the sequence of the packet flow at the output port should be the same as that of the packet flow from the...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L47/20
Inventor 涂晓东刘坚马松王凯
Owner HUAWEI TECH CO LTD
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