Zte Corporation

Huawei Technologies Co., Limited

Xuefeng Lin

Guoyi Chen

Enhui Liu

Xihua Fu

Gang Xie

Xinling Zhang

Embodiments of the present application provide a method and an apparatus for compressing a label stack. The method includes: obtaining a first label stack corresponding to a forwarding path, where the first label stack comprises node labels corresponding to each node on the forwarding path; selecting a first node label from the first label stack, where when forwarding a packet, a node corresponding to the first node label is capable of encapsulating at least two layers of labels in the packet; replacing at least two adjacent labels located after the first node label in the first label stack with a first compression label, to generate a second label stack; and instructing a source node on the forwarding path to perform packet processing according to the second label stack. In this way, a length of a label stack pushed into the packet can be shortened.

Method and apparatus for compressing label stack, and method and apparatus for decompressing label stack

A method for determining beginning and end nodes in a FALSP, applied to a multilayer network using an higher-layer signaling triggering model to establish the FALSP is provided, comprising: a path compute element, when a computed service path comprises FALSPs of one or more layers, encapsulating FALSP path information of each layer into a Secondary Explicit Route Object (SERO) respectively to return together with service path information through inquiry response message to a beginning node in a first layer initiating the inquiry; after receiving them, a node in the service path determining whether the node is a beginning node in the FALSP of a layer according to said FALSP path information, if yes, learning that the FALSP is the FALSP of next layer, and determining an end node in the FALSP of the next layer according to FALSP path information of the next layer. A multilayer network is also provided.

Method and system for determining initiator and terminator in forwarding adjacency label switched path

A method for controlling area boundary, and a method and system for establishing connection in a multilayer network are provided. With a Path Computation Element (PCE) computing a network path and sending response message carrying layer boundary information to a Path Computation Client (PCC), in the present invention, a multilayer network connection can be established rapidly, thereby reducing the time for establishing the multilayer network connection.

Method for controlling area boundary, method and system for establishing connection in multilayer network

The present invention provides a method for inheriting an attribute of a FA in a multilayer network, which comprises: returning information of a first attribute of each link on a FA LSP in a path computation reply message to an upper layer head node, and initiating connection setup; a head node on the FA LSP constructing the first attribute of this FA according to information of the first attribute of each link on the FA LSP included in a path message sent from a upstream node and storing the first attribute of this FA, and sending information of the first attribute of this FA to a downstream node; and c) the tail node on the FA LSP obtaining information of the first attribute of this FA and storing the first attribute of this FA. The present invention also provides a multilayer network.

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Shenzhen, China

Xuefeng Lin