In addition,this paper also examines two kind of schemes which implement OCAC algorithm for multi-hop,the scheme based on each node(ENS)and based on the source node(SNS).

• 针对多跳的情况，本文描述了OCAC算法的两种实现方案，即基于每个节点和基于源节点的OCAC实现方案(ENS和SNS)。