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A method and device for implementing traffic engineering in a multi-homing multi-address space network

A traffic engineering and spatial network technology, applied in the field of traffic engineering, can solve the problem that multi-address spatial networks do not have traffic engineering capabilities.

Active Publication Date: 2012-02-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the inventors of the present invention found that the above-mentioned multi-address space network does not have network-level traffic engineering capabilities

Method used

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  • A method and device for implementing traffic engineering in a multi-homing multi-address space network
  • A method and device for implementing traffic engineering in a multi-homing multi-address space network
  • A method and device for implementing traffic engineering in a multi-homing multi-address space network

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Embodiment Construction

[0048] In the embodiment of the present invention, the entire network is composed of multiple networks with independent address spaces. These address space independent networks are called LDs. For example, an LD can use IPv4, IPv6 or other protocol address spaces, but an LD can only use one kind of address space. Each LD will be assigned a globally unique LD ID (LD addressing). For example, the LD ID can be an unstructured addressing, such as AS Number (Autonomous System Number, autonomous system number) addressing , can also be a structured addressing, such as an IPv4 address or IPv6 addressing. These LDs are connected through LDBR (Locator Domain Border Router, LD border router). LDBRs run dynamic routing protocols to advertise the LD IDs of the LDs they are connected to. For example, the dynamic routing protocol here may use a distance vector routing protocol or a link state protocol. Traditional routing protocols such as RIP (Routing Information Protocol, Routing Infor...

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Abstract

The invention relates to the communication field, and provides a method and equipment for realizing flow engineering in a multi-homing multi-address space network. The method for implementing traffic engineering in a multi-homing multi-address space network provided by an embodiment of the present invention includes: receiving a first data packet sent from a first host to a second host, the first data packet carrying first routing information, and the The first routing information corresponds to the first location domain; judging whether the first routing information conforms to the traffic engineering policy; when the first routing information does not conform to the traffic engineering policy, according to the traffic engineering policy, the second The routing information is reset to the second routing information, and the second routing information corresponds to the second location domain; and a second data packet carrying the second routing information is sent. The method and device provided by the embodiments of the present invention can enable a multi-homing multi-address space network to have network-level traffic engineering capabilities.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and device for realizing traffic engineering in a multi-homing multi-address space network. Background technique [0002] Node ID (node ​​identification) network architecture is a network protocol system for the next generation Internet. This network architecture introduces LD (Locator domain, location domain), which is used to identify the network with independent address space. For example, the address space can be IPv4 (Internet Protocol version6, the sixth version of the Internet protocol) or other protocol address spaces. [0003] The existing Node ID network architecture adopts a tree networking structure, in which there is a static CN (Core Network, core network) and multiple movable ENs (Edge network, edge network). ENs can be directly connected to CNs or indirectly connected to CNs through other ENs. A border router connecting different ENs is called an ER (edge ​​r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56
CPCH04L29/12952H04L61/6077H04L45/308H04L2101/677
Inventor 徐小虎
Owner HUAWEI TECH CO LTD
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