Based on service identification and MPLS protocol, we present an optimal resource distribution system for Next Generation Network (NGN) and study its feasible implementation approaches.

基于业务识别以MPLS协议为基础提出了一种下一代网络资源优化分配系统，并研究可行的实现方法。

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Then it specifies the kernel concept of MPLS, explains MPLS protocol model, transmit principle and double plane structure.

然后详细介绍了MPLS的核心概念，讲解了MPLS的协议模型、转发原理和双平面结构。

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The design process for MPLS networks has much in common with design of any IP networks, but dimension the MPLS label space is one of the specific to MPLS networks.

多协议标记交换技术（MPLS）是对现有IP组网模式的革新，在设计规划网络时它们的主要步骤有许多共同之处，但是对标签空间的度量则是MPLS所特有的。

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