Comparison of Modified Token Based Congestion Control (mTBCC) Algorithm With Standard Token- Based congestion Control (TBCC) Algorithm for Adaptive Forwarding for Opportunistic Networks

Emmanuel Adewale Adedokun, Joseph Stephen Soja, Shaibu Idris Salawu, Basira Yahaya

Abstract


In this research, the comparison of modified token-based congestion control algorithm with standard token based congestion algorithm for adaptive forwarding for Opportunistic Network (ON) is presented in terms of its ability to redirect the traffic from more congested node of ON to congestion-free node of ON without necessarily compromise computational time. The node density was controlled by varying the greatest connected component expressed in percentage and the corresponding results were used to evaluate the performance of the two algorithms using dropped messages and Network Transit Time (NTT) as performance metrics. The mTBCC algorithm produced an average improvement of 6.6% at QS-10, 8.1% at QS-20, 4.1% at QS-40 respectively in dropped messages over TBCC. In addition, average improvement of 7.6 % at 50% GCC, 2.3% at 60% GCC, 4.5% at 70% GCC, and 7.1% at 80% respectively in NTT was recorded over TBCC.


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References

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