Then two types of transition tools, dual stack & tunneling technology and protocol translation tools are discussed. Several realization methods are discussed in detail.
然后介绍了两类演进工具，双协议栈和隧道技术以及转换工具，并且详细说明了几种具体的实现方法。
参考来源 - 从IPv4到IPv6的演进技术 in CIt is tested that the dual stack VoIP Gateway designed in this thesis performs well and has good voice quality.
测试结果表明,本文所设计的双协议栈语音网关性能稳定,语音质量良好,达到了预期的目标。
参考来源 - 双协议栈语音网关关键技术研究与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
The futuristic applications are now enabled for dual stack support for both IPv4 and IPv6.
现在，未来的应用程序可以支持 IPv4 和 IPv6 双协议栈。
For applications to function in a dual stack environment, you must implement dual mode cells.
要使应用程序在双堆栈环境中正常工作，您必须实现双模式单元。
Describe the technological requirements for running IPv6 in conjunction with IPv4 (including: protocols, dual stack, tunneling, etc).
描述在与IPv 4网络共存情况下实施IPv6的技术要求(包括协议放式，双栈方式，隧道方式)。
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