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GB2466222B - A method and a system for managing resources at processing of a data transfer in a transaction based input/output chip - Google Patents

A method and a system for managing resources at processing of a data transfer in a transaction based input/output chip

Info

Publication number
GB2466222B
GB2466222B GB0822763.9A GB0822763A GB2466222B GB 2466222 B GB2466222 B GB 2466222B GB 0822763 A GB0822763 A GB 0822763A GB 2466222 B GB2466222 B GB 2466222B
Authority
GB
United Kingdom
Prior art keywords
resources
resource
transaction
based input
output chip
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB0822763.9A
Other versions
GB0822763D0 (en
GB2466222A (en
Inventor
Matthias Klein
Gerhard Zilles
Manfred Walz
Thomas Gentner
Andreas Wagner
Andreas Koenig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB0822763.9A priority Critical patent/GB2466222B/en
Publication of GB0822763D0 publication Critical patent/GB0822763D0/en
Publication of GB2466222A publication Critical patent/GB2466222A/en
Application granted granted Critical
Publication of GB2466222B publication Critical patent/GB2466222B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
    • 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
    • H04L69/12—Protocol engines

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multi Processors (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Disclosed is a system for managing the resources processing data transfers in a transaction based input/output chip of a computer system. A transaction is associated with a resource, 18 the transaction being a request packet and a corresponding response packet. The system has a transaction table 10 for holding one resource for each request until the resource has been processed and a resource management 12 for storing information about the availability of these resources, which has become available before a predetermined timeout period T has been exceeded. The system has a FIFO (first-in first-out) memory 14 for buffering those resources, which have been made available after the first timeout period and a second timeout period Q have been exceeded. An arbiter circuit 16 for chooses the resources from the resource management, if any are available, if not the timed-out resources from the FIFO memory are used.
GB0822763.9A 2008-12-15 2008-12-15 A method and a system for managing resources at processing of a data transfer in a transaction based input/output chip Active GB2466222B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0822763.9A GB2466222B (en) 2008-12-15 2008-12-15 A method and a system for managing resources at processing of a data transfer in a transaction based input/output chip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0822763.9A GB2466222B (en) 2008-12-15 2008-12-15 A method and a system for managing resources at processing of a data transfer in a transaction based input/output chip

Publications (3)

Publication Number Publication Date
GB0822763D0 GB0822763D0 (en) 2009-01-21
GB2466222A GB2466222A (en) 2010-06-16
GB2466222B true GB2466222B (en) 2013-11-13

Family

ID=40326069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0822763.9A Active GB2466222B (en) 2008-12-15 2008-12-15 A method and a system for managing resources at processing of a data transfer in a transaction based input/output chip

Country Status (1)

Country Link
GB (1) GB2466222B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6247058B1 (en) * 1998-03-30 2001-06-12 Hewlett-Packard Company Method and apparatus for processing network packets using time stamps
US20050074007A1 (en) * 2003-07-29 2005-04-07 Samuels Allen R. Transaction boundary detection for reduction in timeout penalties
US20060069775A1 (en) * 2004-06-17 2006-03-30 Artobello Michael R Apparatus, system, and method for automatically freeing a server resource locked awaiting a failed acknowledgement from a client

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6247058B1 (en) * 1998-03-30 2001-06-12 Hewlett-Packard Company Method and apparatus for processing network packets using time stamps
US20050074007A1 (en) * 2003-07-29 2005-04-07 Samuels Allen R. Transaction boundary detection for reduction in timeout penalties
US20060069775A1 (en) * 2004-06-17 2006-03-30 Artobello Michael R Apparatus, system, and method for automatically freeing a server resource locked awaiting a failed acknowledgement from a client

Also Published As

Publication number Publication date
GB0822763D0 (en) 2009-01-21
GB2466222A (en) 2010-06-16

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 20131115