路由验证测试过程(mrtv)操作的mtp会验证并维护路由信息和路由数据库。
The MTP routing verification test procedure (MRTV) operation verifies and maintains the routing information and routing databases.
由于车辆节点的高动态性，在VANET中寻找和维护路由信息是一个很有挑战性的难题。
Because of the highly dynamic nature of the vehicles node in VANET, it is a very challenging problem to find and maintain the routing information.
但是P 2 P网络较强的波动性及引起的DHT迁移，造成维护路由信息需要很大的网络开销。
However, the relative high churn rate for P2P networks makes DHT shifted. It generates considerable network traffic for routing information maintenance overhead.
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