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优化链路状态路由协议(OLSR)一直是IETF路由区域MANET(移动Ad Hoc网络)工作组的关注点。最近,IETF MANET论坛通过对OLSRv2的深入研究,公布了3个基础性的规范,即RFC5444(通用化的移动Ad Hoc网络分组与消息格式)、RFC5497(移动Ad Hoc网络中的多值时间表示)以及RFC6130(移动Ad Hoc网络邻域发现协议)。目前OLSRv2草案已进展到第19个版本,将很快成为正式的RFC规范。文中首先叙述了OLSRv2有关的3个基础性RFC规范以及OLSRv2草案对OLSRv1的改进,然后叙述了3种进一步减少泛洪开销的机制。最后,通过OPNET仿真进行了开销总量的对比。
Optimized Link State Routing Protocol (OLSR) has been the focus of the IETF Routing Area MANET (Mobile Ad Hoc Networks) Working Group. Recently, the IETF MANET Forum has released three basic specifications based on OLSRv2: RFC5444 (Generalized Mobile Ad Hoc Network Packet and Message Format), RFC5497 (Multivalued Time Representation in Mobile Ad Hoc Networks) And RFC6130 (Mobile Ad Hoc Network Neighborhood Discovery Protocol). The current OLSRv2 draft has progressed to the 19th version and will soon become an official RFC specification. The paper first describes three basic OLSRv2-related RFC specifications and OLSRv2 OLSRv1 draft improvements, and then describes the three further reduce flooding overhead mechanism. Finally, OPNET simulation conducted a comparison of the total amount of overhead.