This book covers The key advantages of Wireless Mesh networks. QoS requirements and challenges in providing QoS in wireless Networks are discussed in detail. Key aspects of routing metric designing issues. This book also covers the Optimized Link State Routing (OLSR) in detail. A large set of Link aware routing metrics is covered. A novel approach for estimation of node to node available bandwidth is explained with illustration. A WCMAB metric for routing in multirate Wireles Mesh Networks is derived.