Performance and Buffering Requirements of Internet Protocols over ATM ABR and UBR Services
Shiv Kalyanaraman, Raj Jain, Sonia Fahmy, Rohit Goyal, Seong-Cheol, Kim
TL;DR
This paper analyzes how TCP/IP protocols perform over ATM networks using ABR and UBR services, highlighting differences in congestion management and network performance.
Contribution
It provides an analysis of TCP/IP performance over ATM ABR and UBR services, revealing distinct congestion behaviors and their implications.
Findings
ABR pushes congestion to network edges
UBR leaves congestion inside ATM networks
Performance varies significantly between ABR and UBR
Abstract
The Asynchronous Transfer Mode (ATM) networks are quickly being adopted as backbones over various parts of the Internet. This paper analyzes the performance of TCP/IP protocols over ATM network's Available Bit Rate (ABR) and Unspecified Bit Rate (UBR) services. It is shown that ABR pushes congestion to the edges of the ATM network while UBR leaves it inside the ATM portion.
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