Buffer Requirements For TCP/IP Over ABR
Shiv Kalyanaraman, Raj Jain, Sonia Fahmy, and Rohit Goyal
TL;DR
This paper analyzes the buffer requirements for TCP over ABR, demonstrating that with the ERICA switch algorithm, buffer needs are independent of TCP source count and proportional to maximum RTT, supported by simulation data.
Contribution
It introduces the ERICA switch algorithm and shows that buffer requirements for TCP over ABR are independent of source number, depending only on maximum RTT.
Findings
Buffer needs proportional to maximum RTT
Buffer requirements independent of number of TCP sources
Simulation results support theoretical analysis
Abstract
We study the buffering requirements for zero cell loss for TCP over ABR. We show that the maximum buffers required at the switch is proportional to the maximum round trip time (RTT) of all VCs through the link. The number of round-trips depends upon the the switch algorithm used. With our ERICA [erica-final] switch algorithm, we find that the buffering required is independent of the number of TCP sources. We substantiate our arguments with simulation results.
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Taxonomy
TopicsNetwork Traffic and Congestion Control · IPv6, Mobility, Handover, Networks, Security