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ME60 V800R010C10SPC500 Feature Description - MPLS 01

This is ME60 V800R010C10SPC500 Feature Description - MPLS
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
General GMPLS UNI Scheme

General GMPLS UNI Scheme

GMPLS UNI allows IP services to be transparently transmitted over a transport network after the source EN and destination EN are configured based on the NMS. In this manner, new IP services do not need to be deployed for several months and burdensome negotiations between management departments of the IP network and transport network are not needed.

After a GMPLS UNI tunnel is established, the tunnel can be used only if it is advertised to the IP network to transmit IP services. There are multiple methods to advertise a GMPLS UNI tunnel to the IP network. For example, the GMPLS UNI tunnel can be directly advertised to the IP network as a tunnel interface; alternatively, the GMPLS UNI tunnel can be bound to logical GMPLS UNI interfaces and the logical interfaces are advertised to the IP network. At present, the ME60 uses the logical interface binding method to advertise a GMPLS UNI tunnel to the IP network. Figure 6-9 shows the details on this method.
Figure 6-9 General GMPLS UNI scheme

A GMPLS UNI tunnel is bidirectional so that both ends of the tunnel needs to be bound to logical GMPLS UNI interfaces and both logical interfaces need to be advertised to their respective IP networks. The statuses of the bound logical interfaces are associated with the GMPLS UNI status. If the UNI LSP is established, the bound logical interfaces go Up. If no UNI LSP is established, the bound logical interfaces go Down. In real-world situations, a GMPLS UNI tunnel is configured on logical interfaces in a way similar to the configuration of a routing protocol or the MPLS function on the logic interfaces. This merit makes the configuration of a GMPLS UNI tunnel more acceptable by users.

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Updated: 2019-01-04

Document ID: EDOC1100059460

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