Method for hierarchical mobile IPv6 to avoid inter-domain handover
A technology of internal switching and mobile nodes, applied in the direction of electrical components, wireless communication, network data management, etc., to achieve the effect of reducing excessive MAP area, reducing transmission time, and avoiding inter-domain switching
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[0049] figure 1 It is a network topology diagram of hierarchical mobile IPv6. In an actual network, the setting of MAP is often multi-level, that is, the network topology is like a multi-fork tree. This structure is composed of hierarchical and tree-like arranged MAPs and access routers AR. The management area of the high-level MAP covers multiple low-level MAPs, and each low-level MAP belongs to only one high-level MAP management area. AR is located at the leaves of the tree structure. Each MAP in the tree structure uses its own address as the RCoA, and the RCoA periodically transmits the MAP or AR to the lower-layer MAP or AR through the router advertisement message with the MAP option. At the same time, each MAP will add its own MAP information to the received RA message and forward the message to the lower MAP or AR. No matter which level the MAP is in the tree structure, the One and only one branch of the structure reaches a certain AR at the leaf. In an actual netw...
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