WO2005067430A3 - Lightweight input/output protocol - Google Patents

Lightweight input/output protocol Download PDF

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Publication number
WO2005067430A3
WO2005067430A3 PCT/US2004/024026 US2004024026W WO2005067430A3 WO 2005067430 A3 WO2005067430 A3 WO 2005067430A3 US 2004024026 W US2004024026 W US 2004024026W WO 2005067430 A3 WO2005067430 A3 WO 2005067430A3
Authority
WO
WIPO (PCT)
Prior art keywords
rdma
computer
client
processing
offloading
Prior art date
Application number
PCT/US2004/024026
Other languages
French (fr)
Other versions
WO2005067430A2 (en
Inventor
Ahmed H Mohamed
Anthony F Voellm
Original Assignee
Microsoft Corp
Ahmed H Mohamed
Anthony F Voellm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corp, Ahmed H Mohamed, Anthony F Voellm filed Critical Microsoft Corp
Priority to AU2004279182A priority Critical patent/AU2004279182B2/en
Priority to NZ540173A priority patent/NZ540173A/en
Priority to BR0406413-5A priority patent/BRPI0406413A/en
Priority to MXPA05006638A priority patent/MXPA05006638A/en
Priority to KR1020057007528A priority patent/KR101084897B1/en
Priority to JP2006546957A priority patent/JP4564970B2/en
Priority to EP04779200A priority patent/EP1700264A4/en
Priority to CN2004800013330A priority patent/CN101375263B/en
Priority to CA002501521A priority patent/CA2501521A1/en
Priority to NO20052054A priority patent/NO20052054L/en
Priority to IL168595A priority patent/IL168595A/en
Publication of WO2005067430A2 publication Critical patent/WO2005067430A2/en
Publication of WO2005067430A3 publication Critical patent/WO2005067430A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/10—Streamlined, light-weight or high-speed protocols, e.g. express transfer protocol [XTP] or byte stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/26—Special purpose or proprietary protocols or architectures

Abstract

A method and system for offloading I/O processing from a first computer (Fig. 1, 101) to.a second computer (121), using RDMA- capable network interconnects, are disclosed. The method and system include a client (103) on the first computer (101) communicating over an RDMA connection (117) to a server (123) on the second computer (121) by way of a lightweight input/output (LWIO) protocol. The protocol generally comprises a network discovery phase followed by an I/O processing phase. During the discovery phase, the client (103) and server (123) determine a minimal list of shared RDMA-capable providers. During the I/O processing phase, the client (103) posts I/O requests for offloading to the second machine (121) over a mutually-authenticated RDMA channel (117). The I/O model is asymmetric, with read operations being implemented using RDMA and write operations being implemented using normal sends. Read and write requests may be completed in polling mode and in interrupt mode. Buffers are managed by way of a credit mechanism.
PCT/US2004/024026 2003-12-31 2004-07-26 Lightweight input/output protocol WO2005067430A2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AU2004279182A AU2004279182B2 (en) 2003-12-31 2004-07-26 Lightweight input/output protocol
NZ540173A NZ540173A (en) 2003-12-31 2004-07-26 Lightweight input/output protocol
BR0406413-5A BRPI0406413A (en) 2003-12-31 2004-07-26 Lightweight inbound / outbound protocol
MXPA05006638A MXPA05006638A (en) 2003-12-31 2004-07-26 Lightweight input/output protocol.
KR1020057007528A KR101084897B1 (en) 2003-12-31 2004-07-26 Lightweight input/output protocol
JP2006546957A JP4564970B2 (en) 2003-12-31 2004-07-26 Lightweight input / output protocol
EP04779200A EP1700264A4 (en) 2003-12-31 2004-07-26 Lightweight input/output protocol
CN2004800013330A CN101375263B (en) 2003-12-31 2004-07-26 System and method for downloading input/output I/O task from a first computer to a second computer
CA002501521A CA2501521A1 (en) 2003-12-31 2004-07-26 Lightweight input/output protocol
NO20052054A NO20052054L (en) 2003-12-31 2005-04-26 Simplified in / out protocol
IL168595A IL168595A (en) 2003-12-31 2005-05-16 Lightweight input/output protocol

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/749,959 US7698361B2 (en) 2003-12-31 2003-12-31 Lightweight input/output protocol
US10/749,959 2003-12-31

Publications (2)

Publication Number Publication Date
WO2005067430A2 WO2005067430A2 (en) 2005-07-28
WO2005067430A3 true WO2005067430A3 (en) 2008-04-24

Family

ID=34701133

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/024026 WO2005067430A2 (en) 2003-12-31 2004-07-26 Lightweight input/output protocol

Country Status (17)

Country Link
US (2) US7698361B2 (en)
EP (1) EP1700264A4 (en)
JP (1) JP4564970B2 (en)
KR (1) KR101084897B1 (en)
CN (1) CN101375263B (en)
AU (1) AU2004279182B2 (en)
BR (1) BRPI0406413A (en)
CA (1) CA2501521A1 (en)
IL (1) IL168595A (en)
MX (1) MXPA05006638A (en)
MY (2) MY158076A (en)
NO (1) NO20052054L (en)
NZ (2) NZ540173A (en)
RU (2) RU2388039C2 (en)
TW (2) TW201240413A (en)
WO (1) WO2005067430A2 (en)
ZA (1) ZA200503161B (en)

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Also Published As

Publication number Publication date
MY158076A (en) 2016-08-30
JP2007527057A (en) 2007-09-20
CN101375263A (en) 2009-02-25
IL168595A (en) 2011-02-28
KR20060112178A (en) 2006-10-31
US7698361B2 (en) 2010-04-13
CN101375263B (en) 2012-06-20
CA2501521A1 (en) 2005-06-30
MXPA05006638A (en) 2006-02-22
MY143575A (en) 2011-05-31
AU2004279182B2 (en) 2010-03-11
RU2388039C2 (en) 2010-04-27
EP1700264A4 (en) 2011-06-15
NO20052054D0 (en) 2005-04-26
TW201240413A (en) 2012-10-01
US20100161855A1 (en) 2010-06-24
NO20052054L (en) 2005-06-10
US20050198113A1 (en) 2005-09-08
ZA200503161B (en) 2008-01-30
AU2004279182A1 (en) 2005-07-14
BRPI0406413A (en) 2005-10-04
WO2005067430A2 (en) 2005-07-28
JP4564970B2 (en) 2010-10-20
KR101084897B1 (en) 2011-11-17
RU2009109685A (en) 2010-09-27
NZ580159A (en) 2011-01-28
NZ540173A (en) 2009-11-27
RU2005120695A (en) 2006-01-20
TW200522630A (en) 2005-07-01
EP1700264A2 (en) 2006-09-13

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