draft-ietf-rddp-problem-statement-00.txt   draft-ietf-rddp-problem-statement-01.txt 
Allyn Romanow (Cisco) Allyn Romanow (Cisco)
Internet-Draft Jeff Mogul (HP) Internet-Draft Jeff Mogul (HP)
Expires: June 2003 Tom Talpey (NetApp) Expires: August 2003 Tom Talpey (NetApp)
Stephen Bailey (Sandburst) Stephen Bailey (Sandburst)
RDMA over IP Problem Statement RDMA over IP Problem Statement
draft-ietf-rddp-problem-statement-00.txt draft-ietf-rddp-problem-statement-01.txt
Status of this Memo Status of this Memo
This document is an Internet-Draft and is in full conformance with This document is an Internet-Draft and is in full conformance with
all provisions of Section 10 of RFC2026. all provisions of Section 10 of RFC2026.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet- other groups may also distribute working documents as Internet-
Drafts. Drafts.
skipping to change at page 1, line 35 skipping to change at page 1, line 35
progress." progress."
The list of current Internet-Drafts can be accessed at The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt http://www.ietf.org/ietf/1id-abstracts.txt
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html. http://www.ietf.org/shadow.html.
Copyright Notice Copyright Notice
Copyright (C) The Internet Society (2002). All Rights Reserved. Copyright (C) The Internet Society (2003). All Rights Reserved.
Abstract Abstract
This draft addresses an IP-based solution to the problem of high This draft addresses an IP-based solution to the problem of high
system costs due to network I/O copying in end-hosts at high system costs due to network I/O copying in end-hosts at high
speeds. The problem is due to the high cost of memory bandwidth, speeds. The problem is due to the high cost of memory bandwidth,
and it can be substantially improved using "copy avoidance." The and it can be substantially improved using "copy avoidance." The
high overhead has prevented TCP/IP from being used as an high overhead has prevented TCP/IP from being used as an
interconnection network. interconnection network.
skipping to change at page 13, line 36 skipping to change at page 13, line 36
[BSW02] [BSW02]
D. Black, M. Speer, J. Wroclawski, "DDP and RDMA Concerns", D. Black, M. Speer, J. Wroclawski, "DDP and RDMA Concerns",
http://www.ietf.org/internet-drafts/draft-ietf-rddp-rdma- http://www.ietf.org/internet-drafts/draft-ietf-rddp-rdma-
concerns-00.txt, Work in Progress, December 2002 concerns-00.txt, Work in Progress, December 2002
[BT02] [BT02]
S. Bailey, T. Talpey, "The Architecture of Direct Data S. Bailey, T. Talpey, "The Architecture of Direct Data
Placement (DDP) And Remote Direct Memory Access (RDMA) On Placement (DDP) And Remote Direct Memory Access (RDMA) On
Internet Protocols", Work in Progress, Internet Protocols", Work in Progress,
http://www.ietf.org/internet-drafts/draft-ietf-rddp- http://www.ietf.org/internet-drafts/draft-ietf-rddp-
arch-00.txt, December 2002 arch-01.txt, February 2003
[CFF+94] [CFF+94]
C-H Chang, D. Flower, J. Forecast, H. Gray, B. Hawe, A. C-H Chang, D. Flower, J. Forecast, H. Gray, B. Hawe, A.
Nadkarni, K. K. Ramakrishnan, U. Shikarpur, K. Wilde, "High- Nadkarni, K. K. Ramakrishnan, U. Shikarpur, K. Wilde, "High-
performance TCP/IP and UDP/IP networking in DEC OSF/1 for performance TCP/IP and UDP/IP networking in DEC OSF/1 for
Alpha AXP", Proceedings of the 3rd IEEE Symposium on High Alpha AXP", Proceedings of the 3rd IEEE Symposium on High
Performance Distributed Computing, August 1994, pp. 36-42 Performance Distributed Computing, August 1994, pp. 36-42
[CGY01] [CGY01]
J. S. Chase, A. J. Gallatin, and K. G. Yocum, "End system J. S. Chase, A. J. Gallatin, and K. G. Yocum, "End system
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[STREAM] [STREAM]
The STREAM Benchmark Reference Information, The STREAM Benchmark Reference Information,
http://www.cs.virginia.edu/stream/ http://www.cs.virginia.edu/stream/
[TK95] [TK95]
M. N. Thadani, Y. A. Khalidi, "An efficient zero-copy I/O M. N. Thadani, Y. A. Khalidi, "An efficient zero-copy I/O
framework for UNIX", Technical Report, SMLI TR-95-39, May 1995 framework for UNIX", Technical Report, SMLI TR-95-39, May 1995
[VI] Virtual Interface Architecture Specification Version 1.0. [VI] Virtual Interface Architecture Specification Version 1.0.
http://www.viarch.org/html/collateral/san_10.pdf http://www.vidf.org/info/04standards.html
[Wa97] [Wa97]
J. R. Walsh, "DART: Fast application-level networking via J. R. Walsh, "DART: Fast application-level networking via
data-copy avoidance", IEEE Network, July/August 1997, pp. data-copy avoidance", IEEE Network, July/August 1997, pp.
28-38 28-38
Authors' Addresses Authors' Addresses
Stephen Bailey Stephen Bailey
Sandburst Corporation Sandburst Corporation
skipping to change at page 17, line 44 skipping to change at page 17, line 44
Tom Talpey Tom Talpey
Network Appliance Network Appliance
375 Totten Pond Road 375 Totten Pond Road
Waltham, MA 02451 USA Waltham, MA 02451 USA
Phone: +1 781 768 5329 Phone: +1 781 768 5329
Email: thomas.talpey@netapp.com Email: thomas.talpey@netapp.com
Full Copyright Statement Full Copyright Statement
Copyright (C) The Internet Society (2002). All Rights Reserved. Copyright (C) The Internet Society (2003). All Rights Reserved.
This document and translations of it may be copied and furnished to This document and translations of it may be copied and furnished to
others, and derivative works that comment on or otherwise explain others, and derivative works that comment on or otherwise explain
it or assist in its implementation may be prepared, copied, it or assist in its implementation may be prepared, copied,
published and distributed, in whole or in part, without restriction published and distributed, in whole or in part, without restriction
of any kind, provided that the above copyright notice and this of any kind, provided that the above copyright notice and this
paragraph are included on all such copies and derivative works. paragraph are included on all such copies and derivative works.
However, this document itself may not be modified in any way, such However, this document itself may not be modified in any way, such
as by removing the copyright notice or references to the Internet as by removing the copyright notice or references to the Internet
Society or other Internet organizations, except as needed for the Society or other Internet organizations, except as needed for the
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