Moving source routing method of dynamic transport network

A mobile source and mobile path technology, applied in the field of network communication, can solve the problems of reduced network service reception capacity, network occupation, and large resource reservation, and achieves the effect of increasing the utilization rate of network resources.

Active Publication Date: 2014-06-25
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this type of mechanism has a huge resource reservation in advance, which occupies network resources and will lead to a significant reduction in the overall service acceptance capacity of the network.

Method used

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  • Moving source routing method of dynamic transport network
  • Moving source routing method of dynamic transport network
  • Moving source routing method of dynamic transport network

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Embodiment Construction

[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0024] An embodiment of the present invention proposes a mobile source routing method for a dynamic transport network, including the following steps: when a dynamic source routing request arrives, the source node of the routing request selects a node on the mobile path as an intermediate node according to the service level requirements of the business node, and establish forward, reverse or bidirectional connections from the starting node of the mobile terminal to the intermediate node and from the intermediate node to the fixed t...

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Abstract

The invention provides a moving source routing method of a dynamic transport network. The method includes the following steps that when a dynamic source routing request arrives, a source node of the routing request selects a node on a moving path to be used as an intermediate node according to the service grade requirement, and forward connection or reverse connection or two-way connection from a mobile terminal start node to the intermediate node and from the intermediate node to a fixed terminal node is established; when a mobile terminal arrives at the intermediate node or a previous node, service is switched to a local up-down port of the node; when the mobile terminal arrives at the next node of the intermediate node, one hop of forward connection or reverse connection or two-way connection from the node to the previous node is established, the connection and original connection form new connection, and the service is switched to the up-down port of the node from the up-down port of the previous node; whether the mobile terminal arrives at a mobile terminal final node or not is judged, and if yes, the connecting process is over. By means of the moving source routing method of the dynamic transport network, handover time is shortened, and the handover success rate and the utilization rate of resources are improved.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a mobile source routing method for a dynamic transmission network. Background technique [0002] Both the source node and the destination node of the existing dynamic transmission network route are fixed, and there is no "handover" problem similar to that in the mobile communication network. However, this situation will change as the capacity of mobile communication technology increases and the speed of vehicles increases. For example, providing high-capacity communication for high-speed railways may bring "handover" problems to underlying transport network services. [0003] According to the routing mechanism of the existing dynamic transmission network, when the service of a large-capacity mobile terminal is switched to a new network node, the route needs to be recalculated in real time and the route establishment process needs to be re-performed. Since routing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/733H04L12/913H04L45/122H04L47/724
Inventor 华楠郑小平
Owner TSINGHUA UNIV
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