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通用成帧协议(GFP)不仅是光同步数字传输网上的传输协议,而且是光传输网上的新型数据包传输协议,它具有简单、多协议适配等优点。在介绍了骨干传输网发展及趋势的基础上,对ITU TG.7041定义的GFP帧结构及特点进行了探讨分析。
The Generic Framing Protocol (GFP) is not only a transport protocol over the optical synchronous digital transport network but also a new packet transport protocol over optical transport networks with the advantages of simple, multi-protocol adaptation. Based on the introduction of the development and trend of backbone transmission network, the structure and characteristics of GFP frame defined by ITU TG.7041 are discussed and analyzed.