FBUFS: A high-bandwith cross-domain transfer facility

Peter Druschel; Larry L. Peterson

doi:10.1145/173668.168634

FBUFS: A high-bandwith cross-domain transfer facility

Peter Druschel, Larry L. Peterson

Computer Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

164 Scopus citations

Abstract

We have designed and implemented a new operating system facility for I/O buffer management and data transfer across protection domain boundaries on shared memory machines. This facility, called fast buffers (FBUFS), combines virtual page remapping with shared virtual memory, and exploits locality in I/O traffic to achieve high throughput without compromising protection, security, or modularity. Its goal is to help deliver the high bandwidth afforded by emerging high-speed networks to user-level processes, both in monolithic and microkernel-based operating systems. This paper outlines the requirements for a cross-domain transfer facility, describes the design of the FBUF mechanism that meets these requirements, and experimentally quantifies the impact of FBUFS on network performance.

Original language	English (US)
Title of host publication	Operating Systems Review (ACM)
Editors	Anon
Pages	189-202
Number of pages	14
Edition	5
DOIs	https://doi.org/10.1145/173668.168634
State	Published - Dec 1993
Event	Proceedings of the 14th ACM Symposium on Operating Systems Principles - Asheville, NC, USA Duration: Dec 5 1993 → Dec 8 1993

Publication series

Name	Operating Systems Review (ACM)
Number	5
Volume	27
ISSN (Print)	0163-5980

Other

Other	Proceedings of the 14th ACM Symposium on Operating Systems Principles
City	Asheville, NC, USA
Period	12/5/93 → 12/8/93

ASJC Scopus subject areas

Information Systems
Hardware and Architecture
Computer Networks and Communications

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10.1145/173668.168634

Cite this

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abstract = "We have designed and implemented a new operating system facility for I/O buffer management and data transfer across protection domain boundaries on shared memory machines. This facility, called fast buffers (FBUFS), combines virtual page remapping with shared virtual memory, and exploits locality in I/O traffic to achieve high throughput without compromising protection, security, or modularity. Its goal is to help deliver the high bandwidth afforded by emerging high-speed networks to user-level processes, both in monolithic and microkernel-based operating systems. This paper outlines the requirements for a cross-domain transfer facility, describes the design of the FBUF mechanism that meets these requirements, and experimentally quantifies the impact of FBUFS on network performance.",

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AB - We have designed and implemented a new operating system facility for I/O buffer management and data transfer across protection domain boundaries on shared memory machines. This facility, called fast buffers (FBUFS), combines virtual page remapping with shared virtual memory, and exploits locality in I/O traffic to achieve high throughput without compromising protection, security, or modularity. Its goal is to help deliver the high bandwidth afforded by emerging high-speed networks to user-level processes, both in monolithic and microkernel-based operating systems. This paper outlines the requirements for a cross-domain transfer facility, describes the design of the FBUF mechanism that meets these requirements, and experimentally quantifies the impact of FBUFS on network performance.

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FBUFS: A high-bandwith cross-domain transfer facility

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