WO2005099375A3 - System and method for placement of rdma payload into application memory of a processor system - Google Patents

System and method for placement of rdma payload into application memory of a processor system Download PDF

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Publication number
WO2005099375A3
WO2005099375A3 PCT/US2005/011272 US2005011272W WO2005099375A3 WO 2005099375 A3 WO2005099375 A3 WO 2005099375A3 US 2005011272 W US2005011272 W US 2005011272W WO 2005099375 A3 WO2005099375 A3 WO 2005099375A3
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WO
WIPO (PCT)
Prior art keywords
placement
network
payload
ddp
memory
Prior art date
Application number
PCT/US2005/011272
Other languages
French (fr)
Other versions
WO2005099375A2 (en
Inventor
Tom Tucker
Yanatao Jia
Original Assignee
Ammasso Inc
Tom Tucker
Yanatao Jia
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 Ammasso Inc, Tom Tucker, Yanatao Jia filed Critical Ammasso Inc
Publication of WO2005099375A2 publication Critical patent/WO2005099375A2/en
Publication of WO2005099375A3 publication Critical patent/WO2005099375A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1081—Address translation for peripheral access to main memory, e.g. direct memory access [DMA]

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
  • Communication Control (AREA)

Abstract

A system and method for placement of RDMA payload into application memory of a processor system. Under one embodiment, a network adapter system (402) is capable of use in network communication in accordance with a direct data placement (DDP) protocol, e.g., RDMA (The network adapter system includes adapter memory and a plurality of placement records in the adapter memory. Each placement record specifies per- connection placement data including at least network address information and port identifications of source and destination network entities for a corresponding DDP protocol connection. Placement record identification logic uniquely identifies a placement record from network address information and port identification information contained in a DDP message received by the network adapter system (706, 707, 716). Untagged message (708) payload placement log directly places the payload of the received untagged DDP message into physical address locations of host memory corresponding to on of said connection-specific application buffers.
PCT/US2005/011272 2004-04-05 2005-04-05 System and method for placement of rdma payload into application memory of a processor system WO2005099375A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US55955704P 2004-04-05 2004-04-05
US60/559,557 2004-04-05
US10/916,126 2004-08-11
US10/916,126 US20060067346A1 (en) 2004-04-05 2004-08-11 System and method for placement of RDMA payload into application memory of a processor system

Publications (2)

Publication Number Publication Date
WO2005099375A2 WO2005099375A2 (en) 2005-10-27
WO2005099375A3 true WO2005099375A3 (en) 2007-12-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/011272 WO2005099375A2 (en) 2004-04-05 2005-04-05 System and method for placement of rdma payload into application memory of a processor system

Country Status (2)

Country Link
US (1) US20060067346A1 (en)
WO (1) WO2005099375A2 (en)

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WO2005099375A2 (en) 2005-10-27
US20060067346A1 (en) 2006-03-30

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