The Impact of a Zero-Scan Internet Checksumming Mechanism

The Impact of a Zero-Scan Internet Checksumming Mechanism (1996)

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by Gregory G. Finn , Steve Hotz , Rod Van Meter

Venue:	ACM Computer Communication Review
Citations:	5 - 3 self

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Datum	Value	Source
TITLE	The Impact of a Zero-Scan Internet Checksumming Mechanism	user correction - Legacy Corrections
AUTHOR NAME	Gregory G. Finn	user correction - Legacy Corrections
AUTHOR AFFIL	USC/Information Sciences Institute; 1	user correction - Legacy Corrections
AUTHOR NAME	Steve Hotz	user correction - Legacy Corrections
AUTHOR AFFIL	USC/Information Sciences Institute; 1	user correction - Legacy Corrections
AUTHOR NAME	Rod Van Meter	user correction - Legacy Corrections
AUTHOR AFFIL	USC/Information Sciences Institute; 1	user correction - Legacy Corrections
ABSTRACT	This paper describes a "zero-scan" mechanism that reduces Internet checksumming overhead from a per-byte scan (or copy) cost, to a small and constant per-message cost. Unlike previous techniques, this mechanism requires no message buffering within the source. This will allow Internet transport protocols to achieve transfer latencies comparable to specialized protocols implemented directly on high-speed LAN (link-layer) services. In addition, this mechanism is transparent to systems outside of the source LAN. Hence, this mechanism affords applications the portability of Internet protocols without sacrificing the high performance of specialized LAN transport protocols. The proposed zero-scan checksumming scheme eliminates the last requirement for an additional data copy/scan, beyond the scan required to transmit or receive from the network channel. If this checksumming mechanism is combined with zero-copy operating system mechanisms that provide low-overhead transfer across application a...	user correction - Legacy Corrections
YEAR	1996	INFERENCE
VENUE	ACM Computer Communication Review	INFERENCE
VENUE TYPE	JOURNAL	INFERENCE
VOLUME	26	INFERENCE
CITATIONS	30 found	ParsCit 1.0