Certain improvements in quality of service for heterogeneous multicast wireless network

Abstract

Multicasting allows IP traffic to be sent from many sources and transmitted to multiple destinations In multicasting a single data packet is directed to a multicast group identified by a single IP destination group address instead of sending individual packets to each destination For the multicast sessions to be efficient the network must transmit data in these sessions using minimal network resources Multicasting optimizes the performance of the network as only one multicast data stream is transmitted preserving bandwidth and eliminating traffic redundancy Multicasting also provides enhanced efficiency by controlling the traffic on the network and reducing load on network devices A multicast session in the network is established by creating a multicast tree along with which the data is transferred The construction of the tree using specific algorithms called multicast routing algorithms Group applications demand a certain amount of reserved resources to satisfy their Quality of Service QoS requirements such as End to End delay jitter loss cost throughput to name a few Since resources for a multicast tree are reserved along a given path to each destination in a given multicast tree it may fail to construct a multicast tree to guarantee the required QoS if a single link cannot support the required resources newline