IP Multi casting
IP Multi casting Routing is need of this era. This is used to distribute data like audios, videos to multiple receivers. Multicast group have a set of receivers who all are interested in a particular data stream. This is done by using a specific IP address that has all information and data which is forwarded to all members or receivers. In this a source host sends data to the multicast members. Anyone can become a host or source. This is not compulsory to be a members or part of any group. There are many Multicast Protocols and models of operation, which are used according to requirements. The operating way is almost same for of all of them. These protocols can control network traffic, server and CPU load. This system makes multi point application possible. Multicast routing saves time and shares a lot of data in very short time to multiple receivers.