Indian Journal of Science and Technology

Abstract

TCP and UDP are the most used transport layer protocols in computer networks. These two protocols are used for almost all types of data transmission including files, messages, real-time streaming of media etc. In cases where loss of a single data unit then it makes the entire data transfer useless such as file transfer, TCP is used because it ensures reliability. UDP is unreliable and can be used where little loss is acceptable and sender does not need a conformation of successful delivery to the receiver. In past decade a large variety of network applications has emerged requiring different requirements for transport layer protocol. Currently in cases where a message needs to be sent to a destination and sender needs confirmation of successful delivery of the message TCP must be used. However TCP requires 3 way handshakes and has large over head of header bytes which may be not required in such cases. This paper proposes a transport layer protocol that is connection less like UDP and has very less header overhead bytes and ensures reliability of transmission. This protocol saves from connection establishment phase and overhead of additional header bytes. From calculation it can be observed that this protocol improves efficiency of transmission in certain cases.
Keywords: Network, Protocol, Reliable, RCTP, TCP, Transport Layer, UDP