ISP线路类型整理 ... IP-RAN IP - Radio Access Network 基于IP的无线接入网络 PTN Packet Transport Network 分组传送网络 -PBT（PBB-TE） Provider Backbone Bridge–Traffic Engineering 运营商骨干桥接-流量工程 ...
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Packet transport network (PTN) is a convergence network of SDH and IP. Under the background of full services operation, this technology represents the development trend of transmission network.
分组传送网是网络融合的产物，在电信行业全业务运营背景下，这一技术代表了传送承栽网络的IP化发展趋势。
Packet Transport Network (PTN) technology includes the Transport Multi-Protocol Label Switching (T-MPLS) and Provider Backbone Transmission (PBT).
分组传送网(PTN)技术包括传送多协议标签交换(T - MPLS)和运营商骨干传送(PBT)。
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