Responsive user datagram protocol-based system for multimedia transmission

Multimedia applications are fast becoming one of the dominating workloads in the Internet today. Since these applications normally have large datasets, they suffer from bandwidth requirement problems. With the limitation of network bandwidth, multimedia traffic can cause congestion; especially when UDP is used as it has neither flow control nor congestion control mechanisms. Congestion can be avoided when arrival rate to gateways is maintained close to outgoing link capacity and gateways´ queue lengths are kept small. This guarantees the availability of buffer capacity for successful buffering and consequent forwarding in case of temporary traffic upsurges which could otherwise cause buffer overflows and packet loss. This paper presents a responsive UDP-based multimedia system which can help to decrease congestion occurrence and enhance network performance, especially in realtime environments. Our results show that the proposed system helps in alleviating congestion, reducing packet drops, increasing throughput, and providing improved network utilization.