Transmission network implementing method and network apparatus
A technology of network equipment and implementation method, which is applied in the field of network communication, can solve the problems of no implementation plan, increase of network cost, and no consideration of forwarding node flow optimization, etc., to achieve the effect of improving scalability and reducing network cost
Inactive Publication Date: 2008-11-19
HUAWEI TECH CO LTD
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Problems solved by technology
[0008] 1. At present, only the establishment of direct links between edge nodes is proposed, and no specific implementation plan is proposed
[0009] 2. Establishing direct links between edge nodes will cause direct links to be established between all edge nodes. With the increase of the number of nodes, a large number of direct links will be generated, that is, the N square problem will be generated, so lead to a sharp increase in network costs
[0010] 3. Establishing a direct link between edge nodes considers the traffic optimization problem between two edge nodes, but does not consider the traffic optimization problem of forwarding nodes between edge nodes
Method used
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Embodiment Construction
[0029] Firstly, the implementation method of the transport network provided by the embodiment of the present invention will be described below.
[0030] There is a predetermined area in the embodiments of the present invention, and determining the predetermined area means determining a joint design domain. In the following embodiments, the predetermined area is called a joint design domain. The joint design domain here can be determined according to the actual planning of the network. For example, the entire network can be used as a joint design domain; for example, the core network can be used as a joint design domain; and part of the core network can be used as a joint design domain. etc. Part of the core network here may include only inner core nodes, or may include inner core nodes and edge nodes. combined with figure 1 In terms of figure 1 Node a, node b, node c, node d, node s, node z, node x and node y in the node as a joint design domain; figure 1 Node s, node z, n...
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Disclosed are a transmission network implementation method and a network device; the transmission network implementation method includes that the traffic between any two of the nodes in the preset region is detected; the nodes which need to be established with a nonstop link are determined according to the detected traffic between any two of the nodes; the nonstop link is established for the nodes which need a nonstop link. The transmission network implementation method and the network device completes the technical proposal of establishing a nonstop link in the transmission network; when the nodes in the preset region include the forwarding nodes between the edge nodes; the transmission network implementation method and the network device can avoid the N square problem and adapt to the requirement of traffic index increasing so that the network cost is reduced; meanwhile, the transmission network implementation method and the network device can optimize the traffic of the forwarding nodes between the edge nodes and improve the extensibility of the network.
Description
technical field [0001] The invention relates to the technical field of network communication, in particular to a transmission network realization method and network equipment. Background technique [0002] At present, the core network in the Internet usually adopts a multi-homing + full mesh (Full Mesh) topology. A typical core network topology is shown in the attached figure 1 shown. [0003] figure 1 Among them, s node, x node, y node and z node are inner core nodes (Inner Core). The inner core nodes form a full mesh interconnection. Node a, node b, node c and node d are peripheral core nodes (Outer Core). Peripheral core nodes are dual-homed to two inner core nodes. Of course, the peripheral core nodes can also be assigned to more than two inner core nodes. [0004] Nodes in the core network are usually routers. The router performs a packet-by-packet forwarding decision on the data packets in the link to realize service forwarding. Due to the characteristics of p...
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IPC IPC(8): H04L12/56H04L12/26H04L12/801
Inventor 何健飞刘欣超徐慧颖操时宜
Owner HUAWEI TECH CO LTD