IJRE – Volume 5 Issue 3 Paper 5

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MODIFIED AND IMPROVED MECHANISM OF SENDING RATE FOR VEHICULAR AD-HOC NETWORK

Author’s Name :  AnithaPakiyaraj M | Sivaranjani M | Kalpana R | Kamali A | Mythili M | Sowmiya M

Volume 05 Issue 03  Year 2018  ISSN No:  2349-252X  Page no: 16 – 18

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Abstract:

The performance of transport layer protocols degrades significantly when used over Vehicular Ad hoc networks which has a large bandwidth–delay product. This is primarily due to the exponential window growth algorithm in slow start phase and linear window growth algorithm in congestion control phase, employed by Jacobson based TCP variants. In this project, a non linear window growth algorithm that is based on different between current sending window size and maximum advertised window size which allows the transport layer protocol to perform well regardless of the network bandwidth delay product. The proposed window growth mechanism increased wisely that is high growth in slow sending window and slow growth in high sending window. The proposed algorithm is implemented and compared with existing transport layer protocols using network simulator (NS-2).The results shows that proposed algorithm performs well compared to others.

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