Simulation Based performance evaluation and comparison of wired VoIP services over UDP and SCTP protocol
|International Journal of Engineering Trends and Technology (IJETT)||
|© 2016 by IJETT Journal|
|Year of Publication : 2016|
|Authors : SielayGebru, PrachiKadam
|DOI : 10.14445/22315381/IJETT-V33P289|
SielayGebru, PrachiKadam"Simulation Based performance evaluation and comparison of wired VoIP services over UDP and SCTP protocol", International Journal of Engineering Trends and Technology (IJETT), V33(9),462-467 March 2016. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
In current years, Voice over IP (VoIP) has increased a lot of acceptance. Waving being significant part of VoIP has been deployed by the (IETF) SIGTRAN working team to meet QOS as given by Public Switched Telephone Network (PSTN), since both PSTN and VoIP can cooperate and work composed in a seamless manner. VoIP messaging is a communication control protocol applicable of running on different transport layers protocols, e.g., Transmission control protocol (TCP), User Datagram protocol (UDP) or stream control transmission protocol (SCTP). Today’s VoIP application is widely running over the unreliable transport protocol (UDP). In loss situation such as wireless networks and overfilled Internet networks, VoIP messages can be lost or delivered out of order. The VoIP application then has to resend the lost messages and re-arrange the accepted packets. This extra processing overhead can damage the performance of the VoIP service. Therefore to resolve this problematic, the scholars are looking for a more applicable transport layer for VoIP protocol. SCTP, a transport protocol giving acknowledged or recognized, error-free, not duplicated transmission of messages, has been intended to be an alternative to UDP and TCP. The multi-streaming and multi-homing advantages of SCTP are mainly attractive for applications that have strict performance and high reliability requirements. In this project, I have examined the performance offered by SCTP and UDP for VoIP message delivery in the viewpoint of old research works as well as determined call situation time using UDP and SCTP by simulating constant bit rate traffic in Network Simulator- 2. Typically the Transport Layer Protocols, UDP and TCP are used for transmission of data over the internet protocol based network like Internet. TCP gives a reliable way to transfer the data but its reliable mechanism results in rise in delay. UDP absence in providing any acknowledgment mechanism and it does not give any congestion control technique also. However the unreliable feature of UDP results in less delay in message transfer.
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Simulation, TCP, SCTP, UDP, Comparison, VoIP, performance.