Overcoming TCP Incast with LTTP in Many to One Communications
Jeenu Alexander, Joish George · 2014
The Transmission Control Protocol (TCP) is one of the core transport layer protocols which ensures reliable data delivery. In many to one communications there arise a problem known as TCP Incast which is actually a drop in throughput. This arises due to the overflow of output buffer of switch and TCP's Retransmission Timeout. Earlier solutions included controlling switch buffer or updating OS/hardware .In this work we improve the UDP-based transmission with FEC and CRC. Through ns2 based simulations we can observe that the newly designed protocol will not degrade the throughput in many to one communications when the number of servers are increased. LTTP when compared with DCTCP, performs better in maintaining overall goodput of the many to one communications.