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Method, device and system for fusing IP and light

A technology of IP address and optical equipment, applied in the field of communication, can solve problems such as the impact of forwarding performance

Active Publication Date: 2015-03-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] This processing method needs to publish the GMPLS UNI tunnel in the form of FA, that is, the established tunnel needs to be published to neighbor devices, and at the same time, an additional layer of label needs to be encapsulated at the forwarding layer, and the router also needs to be modified accordingly, and the forwarding performance is also improved. will be affected

Method used

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  • Method, device and system for fusing IP and light
  • Method, device and system for fusing IP and light
  • Method, device and system for fusing IP and light

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Embodiment Construction

[0033] The present invention will be clearly and completely described below in conjunction with the accompanying drawings:

[0034] An embodiment of the present invention provides a system for realizing IP and optical fusion, such as figure 1 As shown, it includes: a first routing device 10, a second routing device 20, a first optical device 22 and a second optical device 23, wherein the first routing device 10 is connected to the first optical device 22, and the second optical device 23 and The second routing device 20 is connected.

[0035] Establish a first Ethernet sub-interface on the first routing device 10, the first Ethernet sub-interface established is derived from the Ethernet interface on the first routing device 10, and the relationship with the Ethernet interface is the relationship between parent and child, The established first Ethernet sub-interface is not configured with a virtual local area network identification VLAN ID, and supports the general multi-proto...

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Abstract

A method, an apparatus, and a system for Internet Protocol (IP) / optical convergence are provided. The method includes the following steps. A request for establishing a user network interface (UNI) is sent to an optical network device. A generalized multiprotocol label switching (GMPLS) label returned by the optical network device is received. The GMPLS label is converted into a virtual local area network (VLAN) identifier (ID) (VLAN ID) of an Ethernet sub-interface, and the Ethernet sub-interface is adopted for communication. By converting the GMPLS label into the VLAN ID of the established Ethernet sub-interface, the common Internet / multiprotocol label switching (MPLS) can be applied in GMPLS UNI, so as to realize the IP / optical convergence.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method, device and system for combining IP and light. Background technique [0002] The prototype basis of GMPLS (Generalized Multiprotocol Label Switching, general multiprotocol label switching) is MPLS (Multiprotocol Label Switching, multiprotocol label switching). The working principle of MPLS is: when a data packet arrives at the ingress LSR (Label Switch Router, label switching router) of the MPLS network, the ingress LSR determines which FEC (forwarding equivalence class, forwarding equivalence class, forwarding equivalence class) the packet belongs to by analyzing the information header of the data packet ), FEC makes some data streams with certain commonality be collected, and these data are processed by LSR in the same way during forwarding, and then look up the forwarding table, and add a label associated with the FEC before the data packet. Subsequent LSRs do not n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70H04Q11/00H04L45/50
CPCH04Q11/0062H04L12/413H04Q2011/0077H04L45/50H04L45/62H04L12/4641H04L45/00H04Q2011/0073
Inventor 王恩福
Owner HUAWEI TECH CO LTD
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