A Survey On Different Topologies ,Switching Techniques And Routing Algorithms For A Network On Chip

Network on Chip (NoC) is a new paradigm for making interconnections within System on Chip (SoC) system. With the increasing chip integration and  decreasing feature size  the SoC does not meet the challenges of the new process technologies .The challenges include  complexity and  increased delay in communication and also the bus contention and arbitration  slows down the data movement which degrades the overall performance of Soc. Noc is a design platform that can meet these challenges to a great extend. In the network design of the NoC the most essential things are a network topology and a routing algorithm. Routers route the packets based on the algorithm that they use. In this paper a study of  the different routing algorithms for network on chip is presented that can cope up with above mentioned problems arising in SoC. The routing algorithm of a given NoC system is measured with respect to  performance metrics such as latency, throughput and load distribution. Here we are about to deal with the different topologies ,switching techniques ,performance analysis of NoC  routing algorithms  such as XY routing algorithm, OE routing algorithm and DyAD routing algorithm .

keywords- NoC , Routers, routing algorithms,  latency, throughput, XY ,OE , DyAD