传送多协议标签交换（MPLS）（T-MPLS）体系（TMH）是目前传送技术的研究的热点之一。
Transport MPLS(T-MPLS)hierarchy(TMH)is the key point in recent transport network technology study.
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)。
Packet Transport Network (PTN) technology includes the Transport Multi-Protocol Label Switching (T-MPLS) and Provider Backbone Transmission (PBT).
为了提高多业务传送平台（M STP）组网的路由能力、交换能力和服务质量（Q oS）处理能力，需要将多协议标签交换（M PLS）的固有优势引入M STP。
The multiple protocol label switching (MPLS) technology is introduced into the multi-service transport platform (MSTP) in order to enhance the capabilities of routing, exchange and QoS management.
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