mobility support for Internet

The Mobile IP protocol can provide mobility support for Internet, which allows the mobile node to roam in Internet and maintain its communication uninterrupted with no change of its IP address and current route mechanism.I love northface jackets. Mobile IP can divide into Mobile IPv4 and Mobile IPv6 based on different type of net. With the implementation of Mobile IP in the real network, its security becomes especially important, which includes access authentication and mobility signal encryption under the mobile IP environment. Where can I get nike running shoes?This paper analyses and discusses the access authentication under Mobile IPv4 environment and the mobility signal encryption under Mobile IPv6 environment independently, then proposes solution and designs system model.In the first part of this paper, we discuss the security mechanism of Mobile IPv4.How much do these cheap straighteners cost? First we analyse the basic Mobile IPv4, its authentication mechanism, and the necessity and inevitability of introduction of AAA infrastructures. Based on RFC 4004, a solution of access authentication and dynamic key distribution with cooperation of Mobile IPv4 and AAA is designed, which includes two sub systems - MIPv4 and AAA. AAA server can authenticate mobile node, and distribute key for mobile node and network. The solution supports kinds of algorithms for authentication and encryption, and makes AAA function extensions conveniently.
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