首页> 外文会议>Transparent Optical Networks, 2003. Proceedings of 2003 5th International Conference on >Grooming in SDH/WDM mesh networks for different traffic granularities
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Grooming in SDH/WDM mesh networks for different traffic granularities

机译:SDH / WDM网状网络中的梳理以适应不同的流量粒度

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Efficient allocation of low bit rate traffic streams onto optical channels, frequently referred as traffic grooming, has become a major issue in optical transport networks. The paper studies resource utilization in an optical mesh network under different allocation strategies. Traffic grooming is done following two different strategies: optical end-to-end (transparent) and hop-by-hop (opaque). The first scenario is advantageous when connection request capacity approaches that of the optical channels. Hop-by-hop offers the advantage of allowing intermediate nodes to re-use an already active optical channel with free bandwidth. A comparison in terms of the number of line terminating equipment items (SDH ports) and the number of active optical channels (wavelengths) in a generic mesh network is provided. Quantitative results are obtained by means of simulation.
机译:将低比特率业务流有效分配到光信道上,通常被称为业务疏导,已经成为光传输网络中的主要问题。本文研究了不同分配策略下的光网状网络中的资源利用情况。通过两种不同的策略进行流量疏导:光学端到端(透明)和逐跳(不透明)。当连接请求容量接近光信道的容量时,第一种情况是有利的。逐跳提供的优势是允许中间节点重用具有空闲带宽的已经激活的光信道。提供了在通用网状网络中线路终端设备项(SDH端口)的数量和活动光信道(波长)数量方面的比较。通过模拟获得定量结果。

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