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Method and device for differentiating service traffic engineering

A technology of traffic engineering and differentiated services, applied in the field of realizing differentiated services traffic engineering, can solve the problems of complex configuration, poor risk avoidance, complicated E-LSP establishment process, etc., and achieve the effect of reducing business risks

Inactive Publication Date: 2009-12-02
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0006] At present, the establishment process of E-LSP is complicated, and the related configuration is also very complicated. It is necessary to expand the signaling and routing protocols; moreover, the business of differentiated services in E-LSP technology is transmitted through the same path, so the ability to avoid risks is not good.

Method used

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  • Method and device for differentiating service traffic engineering
  • Method and device for differentiating service traffic engineering
  • Method and device for differentiating service traffic engineering

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Embodiment Construction

[0021] refer to figure 1 , figure 1 It shows the flow of the method for implementing DiffServ traffic engineering according to the embodiment of the present invention, which mainly includes the following steps:

[0022] Step 101, establishing tunnels corresponding to different business service types.

[0023] No matter what kind of tunneling protocol is composed of the carrier of transmission, different encapsulation formats and transmitted data packets. The tunnel can be established in the same way as at present. For example, for an MPLS tunnel, an MPLS tunnel is a label switching path (LSP: Label Switch Path), which is realized through the work of the label distribution protocol. The label distribution protocol is a protocol family in which the label switching router (LSR: LabelSwitch Router) notifies the binding of the label / forwarding equivalence class (FEC: Forwording EquivalenceClass) it has made to another LSR, and uses the label distribution protocol to exchange the...

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Abstract

The invention discloses a method and a device for differentiating service traffic engineering. The method comprises the following steps: bonding at least two tunnels corresponding to different service types into a traffic engineering tunnel group; selecting a traffic engineering tunnel group in accordance with the service needs when services are needed transmitting; enabling different service traffics to enter different tunnels of the traffic engineering tunnel group and transmitting the services by the tunnels in the traffic engineering tunnel group. The invention can be utilized to simply and conveniently differentiate service traffic engineering without expanding the prior protocols and can lower the service danger.

Description

technical field [0001] The invention relates to communication technology, in particular to a method and equipment for realizing differentiated service flow engineering. Background technique [0002] As the application of IP (Internet Protocol, Internet Protocol) and MPLS (Multi-Protocol Label Switching, Multi-Protocol Label Switching) continues to deepen and expand, most operators use MPLS TE (Traffic Engineering, Traffic Engineering) and Diff -Serv (Differentiated Services) technology provides three-network (Internet, telecommunication network, broadcast network) integrated services. While providing bandwidth guarantee, it is necessary to carry multiple different QoS (Quality of Service) requirements in one network business goals. In NGN (Next Generation Network, next-generation network), LDP over TE (Label Distribution Protocol over TE, traffic engineering bearer label distribution protocol), PWE3 (Pseduo Wire Emulation Edge-to-Edge, edge-to-edge pseudowire emulation), et...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/46
CPCY02B60/33H04L45/245H04L12/4633H04L47/2408H04L45/00H04L45/306Y02D30/50H04L45/85
Inventor 刘小飞文元癸李振斌黄铁英吴兵
Owner HUAWEI TECH CO LTD
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