SDN-Based Inter-ISP Caching

Abstract

Big data introduces many challenges from the service provider’s perspective such as increase in latency, delay variance, congestion and network utilization etc. These days users require fast speed contents as well as high connectivity. Users are service aware and dislike network delays. In networking, bunch of effort has been made in throughput enhancement but significant efforts are needed to minimize latency delay and delay variance etc. New network framework turns into the attractive obligation of this technological age. Latest network Infrastructures such as content delivery network (CDN) and software defined network (SDN) assist to determine today’s user’s concerns. CDN provide Contented Caching and it is valuable practice that Internet Service providers (ISP) utilize at this period. Different cache server cooperates with each other and optimally offers the demanded content to the consumer. Challenges in cooperative Caching are where to place the cache server and optimally route the content to client using cache server. In proposed approach, SDN-based Inter-ISP Caching Technique is aspiring to resolve the difficulty of cache server placement which diminishes the data transmission latency and direction the cache content with optimized mode in the inter-ISP traffic. In proposed approach, assumed different ISPs which are present in same geographical location, communicate with each other. Specified approach, introduce light weight algorithm named as Row Based Floyd WARSHALL algorithm assist to put the cache server in optimized method. Cache Controller is as well pioneering to established the cooperative caching and competently way the cache content through the lessening of cache miss and recover network throughput with the incidence of cache hit. Ns3 which is advance event-based network simulator is being used for this toil. Simulation results demonstrate the efficiency of SDN-based Inter-ISP Caching beneath diverse network circumstances.