摘要：下一代网络是基于分组交换的网络。
Absrtact: Next generation network is based on packet switch.
光标记技术是一种实现光分组交换的重要技术。
Optical label technology is an important technology to realize optical packet switch.
分组交换技术在下一代网络中扮演了关键的角色。
Packet-switching technology plays a critical role in next generation network.
内部优先权值在交换机中处理期间给该分组提供优先权。
The internal priority value provides a priority to the packet during processing in the switch.
内部优先权值在交换机中处理期间给该分组提供优先权。
The internal priority value provides a priority to the packet during processing in the switch.
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