the Performance of Transport Protocols for Web Traffic

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Presentation transcript:

the Performance of Transport Protocols for Web Traffic SCTP vs. TCP the Performance of Transport Protocols for Web Traffic Group of 10a Student Name: Zou, Cheng && Yang, Yixi Student Number:3277890 &&

Background-SCTP A transport layer protocol initialization - 4exchanges Operates at 2 levels: receiving data chunk correctly realizing the partial ordering of datagrams Nodes can using more than one IP addresses

Queue – Droptail & RED Droptail Random early detection (RED) network component buffers as many packets as it can, and simply drops the ones it cannot buffer. If buffers are constantly full, the network is congested. Random early detection (RED) RED monitors the average queue size and drops packets based on statistical probabilities. As the queue grows, the probability for dropping an incoming packet grows too.

TCP vs SCTP Performance Packet loss rate Queue delay

Simulation results- packet loss

Simulation results – Queue Delay Droptail buffer type

Simulation results- Queue Delay RED buffer type

Conclusion The network performance is unfair when both SCTP and TCP transfer data in the same link Queue is Droptail, the capability of SCTP is always better than TCP both in packet loss and queue delay Queue is RED, only when buffer size is small, TCP performs better

Reference Rajesh Rajamani, Sumit Kumar, Nikhil Gupta SCTP versus TCP: Comparing the Performance of Transport Protocols for Web Traffic 2002 Floyd, Sally; Jacobson, Van (August 1993). "Random Early Detection (RED) gateways for Congestion Avoidance". IEEE/ACM Transactions on Networking 1 (4): 397–413 Floyd, S. RFC 2914: Congestion control principles (2000) Afzall, Aman-Ullah-Khan',Yousaf Bin Zikria, Salvatore Loreto: SCTP vs. TCP Delay and Packet Loss Ibrahim F. Haddad and David Gordon Network Simulator 2: a Simulation Tool for Linux Oct 21, 2002 Sukwoo Kang and Matthew Fields Experimental Study of the SCTP compared to TCP Armando L. Caro Jr., Keyur Shah, Janardhan R. Iyengar, Paul D. Amer Congestion Control: SCTP vs TCP Svilen Ivanov, Andr´e Herms, and Georg Lukas Experimental Validation of the ns-2 Wireless Model using Simulation, Emulation, and Real Network

Thank you !