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Understanding the Behavior of TCP for Realtime CBR Workloads
Overview This paper examines the feasibility of sending real-time CBR workloads over TCP. This is motivated by the friendliness of NATs and firewalls towards TCP as opposed to UDP as well as by recent improvements in Internet's bandwidth and loss rates. Traditionally, TCP has been considered un-desirable for real-time CBR workloads. This assertion is evaluated by developing a novel analytical tool that yields TCP's sender-to-receiver socket delay distribution for CBR workloads. A key insight gained is that the use of smaller than MSS-sized packets in CBR workloads can exploit the TCP's ACK counting mechanism thereby limiting the delay impact of congestion window variations. It leverages this insight to provide heuristic and system-level guidelines for reducing TCP transport delays.
| Publisher | Association for Computing Machinery | File Format | |
|---|---|---|---|
| Date Published | April 2006 | ||
| Format | White Papers | ||
| Topics | |||
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