Date Added: Jan 2012
An explosive growth in business applications using the Internet have resulted in a strong demand for some notion of reliability or quality of service. During periods of congestion or failure, the quality of service of all flows is degraded. As a result, a strong need for service differentiation in the flows to provide service guarantees. Today the internet carries different types of traffic with the increased use of peer to peer, HTTP, FTP applications. Web traffic comprises short flows which requires low response time and long flows seen in the internet originate form peer to peer file sharing applications TCP is the dominating protocol that carries majority of the total internet traffic. Recent internet traffic measurement shows most of the TCP flows are short lived.