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随着移动通信技术的发展,诞生了各种可供接入的网络,如GPRS,WALN等。它们传输速率和原理各不相同,不同异质接入网络之间的切换已经成为对下一代无线网络的一个基本要求。本文介绍了一种新的切换机制,首先分别介绍了SIP技术与移动IPv6技术的原理,然后结合SIP与移动IPv6技术提出一种全新的无缝切换机制,最后总结并提出了有待进一步研究的相关问题。
With the development of mobile communication technology, a variety of networks are available for access, such as GPRS, WALN and so on. Their transmission rates and principles are different, and switching between different heterogeneous access networks has become a basic requirement for the next generation of wireless networks. This paper introduces a new switching mechanism, first introduces the principle of SIP technology and Mobile IPv6 technology, and then proposes a new seamless switching mechanism combining SIP and Mobile IPv6 technology. Finally, it concludes and proposes the relevant research to be further studied problem.