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Routing method, device and system

A routing and identification technology, which is applied in the field of communication, can solve problems such as time-consuming search for flow tables, large number of flow tables, and impact on routing execution efficiency, and achieve the effects of simplifying complexity, reducing the number of flow tables, and improving routing and forwarding efficiency

Active Publication Date: 2017-12-12
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the huge traffic of network devices and various types of services in the current network, the number of flow tables required by network devices supporting Openflow is too large, and the storage performance requirements of network devices are very high, and the search for flow tables It takes a lot of time, and the execution efficiency of routing is affected

Method used

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  • Routing method, device and system
  • Routing method, device and system
  • Routing method, device and system

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Embodiment Construction

[0061] Such as figure 1 As shown, it is a schematic diagram of the system architecture of the first embodiment of the present invention, and the intelligent routing network system is composed of multiple network nodes and management and control entities. The network nodes include an edge network node A, an edge network node B, an intermediate network node A, and an intermediate network node B.

[0062] The management and control entity can be centralized or distributed in the intelligent routing network. The management and control entity periodically collects real-time network status information of multiple network nodes, saves it in the database, and generates a network demand aggregation mapping table according to the service contract information. , and send the network demand aggregation mapping table to the edge network nodes, and then calculate the optimal path information between any network node and other network nodes that meets one or more business network requirement...

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Abstract

The embodiment of the invention discloses a routing method, device and system. The method includes: the network node receives the service data message; the network node searches the forwarding table according to the aggregation identifier to obtain the next hop information, and the aggregation identifier is used to identify a type of service data flow with the same network requirement category and the same destination , the forwarding table includes the aggregation identifier and next-hop information corresponding to the aggregation identifier; the network node forwards the service data message according to the obtained next-hop information. According to the embodiment of the present invention, the routing table entries of the service routing nodes can be significantly reduced, the complexity of calculation can be simplified, and the routing and forwarding efficiency of the system can be improved.

Description

technical field [0001] The embodiments of the present invention relate to the communication field, and in particular to a routing method, device and system. Background technique [0002] An overlay network is another computer network built on top of one network. Each network node in the overlay network corresponds to a path through a virtual or logical link, and these paths may be connected through multiple physical links on the underlying network (Underlay network), such as cloud computing networks, Peer-to-peer networks and the like are overlay networks that run on top of the Internet. The Internet was originally an overlay network built on top of the traditional telephone network. The voice transmission based on Internet Protocol (VoIP, voice over Internet Protocol) that appeared later is an overlay network built on the Internet. [0003] At present, a large number of different types of services are carried on an Internet Protocol (IP, Internet Protocol) network, such ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L45/247H04L45/02H04L45/42H04L45/74
CPCH04L45/64H04L45/54H04L41/083H04L41/0895H04L41/342H04L45/745H04L45/08H04L45/70H04L69/164
Inventor 殷悦李峰韩磊
Owner HUAWEI TECH CO LTD
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