JP4845674B2 - データ処理装置及び方法、通信装置、並びにプログラム - Google Patents

データ処理装置及び方法、通信装置、並びにプログラム Download PDF

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Publication number
JP4845674B2
JP4845674B2 JP2006291420A JP2006291420A JP4845674B2 JP 4845674 B2 JP4845674 B2 JP 4845674B2 JP 2006291420 A JP2006291420 A JP 2006291420A JP 2006291420 A JP2006291420 A JP 2006291420A JP 4845674 B2 JP4845674 B2 JP 4845674B2
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Japan
Prior art keywords
data
memory
checksum
calculation
interface
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Expired - Fee Related
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JP2006291420A
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Japanese (ja)
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JP2008109473A5 (enExample
JP2008109473A (ja
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基治 鈴木
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Canon Inc
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Canon Inc
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Priority to JP2006291420A priority Critical patent/JP4845674B2/ja
Priority to US11/866,320 priority patent/US8219866B2/en
Publication of JP2008109473A publication Critical patent/JP2008109473A/ja
Publication of JP2008109473A5 publication Critical patent/JP2008109473A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Detection And Correction Of Errors (AREA)
JP2006291420A 2006-10-26 2006-10-26 データ処理装置及び方法、通信装置、並びにプログラム Expired - Fee Related JP4845674B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006291420A JP4845674B2 (ja) 2006-10-26 2006-10-26 データ処理装置及び方法、通信装置、並びにプログラム
US11/866,320 US8219866B2 (en) 2006-10-26 2007-10-02 Apparatus and method for calculating and storing checksums based on communication protocol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006291420A JP4845674B2 (ja) 2006-10-26 2006-10-26 データ処理装置及び方法、通信装置、並びにプログラム

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JP2008109473A JP2008109473A (ja) 2008-05-08
JP2008109473A5 JP2008109473A5 (enExample) 2009-12-03
JP4845674B2 true JP4845674B2 (ja) 2011-12-28

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JP2006291420A Expired - Fee Related JP4845674B2 (ja) 2006-10-26 2006-10-26 データ処理装置及び方法、通信装置、並びにプログラム

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US (1) US8219866B2 (enExample)
JP (1) JP4845674B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8589333B2 (en) * 2008-08-19 2013-11-19 Northrop Grumman Systems Corporation System and method for information sharing across security boundaries
JP2010057033A (ja) * 2008-08-29 2010-03-11 Nec Electronics Corp 通信装置及び方法
JP2010278897A (ja) * 2009-05-29 2010-12-09 Renesas Electronics Corp 通信データ処理回路及び通信データ処理方法
WO2012114525A1 (ja) 2011-02-25 2012-08-30 三菱電機株式会社 制御装置、制御システムおよび通信方法
US9619167B2 (en) 2013-11-27 2017-04-11 Intel Corporation System and method for computing message digests
JP6381270B2 (ja) * 2014-04-22 2018-08-29 キヤノン株式会社 情報処理装置、情報処理方法、システム
JP6516539B2 (ja) * 2015-04-15 2019-05-22 キヤノン株式会社 通信装置、通信方法、およびプログラム
JP6675189B2 (ja) * 2015-12-04 2020-04-01 キヤノン株式会社 通信装置およびその制御方法、プログラム
JP6600241B2 (ja) * 2015-12-11 2019-10-30 キヤノン株式会社 演算装置及び演算方法、通信装置
JP6567476B2 (ja) * 2016-08-10 2019-08-28 株式会社ワイ・デー・ケー データ処理装置
JP7049140B2 (ja) * 2018-03-06 2022-04-06 キヤノン株式会社 通信装置およびその制御方法

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JPH04352054A (ja) * 1991-05-29 1992-12-07 Toshiba Corp 通信制御装置
US5430842A (en) * 1992-05-29 1995-07-04 Hewlett-Packard Company Insertion of network data checksums by a network adapter
US5663952A (en) * 1995-07-07 1997-09-02 Sun Microsystems, Inc. Checksum generation circuit and method
US5826032A (en) * 1996-02-12 1998-10-20 University Of Southern California Method and network interface logic for providing embedded checksums
US6289023B1 (en) * 1997-09-25 2001-09-11 Hewlett-Packard Company Hardware checksum assist for network protocol stacks
US6122670A (en) * 1997-10-30 2000-09-19 Tsi Telsys, Inc. Apparatus and method for constructing data for transmission within a reliable communication protocol by performing portions of the protocol suite concurrently
US6765901B1 (en) * 1998-06-11 2004-07-20 Nvidia Corporation TCP/IP/PPP modem
US6266337B1 (en) * 1998-06-23 2001-07-24 Expand Network Ltd. Packet retransmission eliminator
US6324670B1 (en) * 1999-03-24 2001-11-27 Novell, Inc. Checksum generator with minimum overflow
US6412092B1 (en) * 1999-04-14 2002-06-25 Hewlett-Packard Company Method and apparatus to reduce the cost of preparing the checksum for out bound data in network communication protocols by caching
JP2000339184A (ja) * 1999-05-27 2000-12-08 Toyo Commun Equip Co Ltd チェックサム計算器
JP4515651B2 (ja) * 2001-03-05 2010-08-04 ルネサスエレクトロニクス株式会社 巡回冗長検査演算方法及び巡回冗長検査演算回路
US7020079B2 (en) * 2001-10-23 2006-03-28 Sun Microsystems, Inc. Bypassing protocol checksum computations in communications across a reliable network link
AU2002351736A1 (en) * 2001-12-21 2003-07-15 Danfoss A/S Dielectric actuator or sensor structure and method of making it
US7386627B1 (en) * 2002-01-29 2008-06-10 Network Appliance, Inc. Methods and apparatus for precomputing checksums for streaming media
US7142540B2 (en) * 2002-07-18 2006-11-28 Sun Microsystems, Inc. Method and apparatus for zero-copy receive buffer management
ATE393992T1 (de) * 2003-02-24 2008-05-15 Ericsson Telefon Ab L M Verfahren und system zur durchführung schneller prüfsummenberechnungen in einem gprs- kommunikationssystem mittels tunneln
US20040218623A1 (en) * 2003-05-01 2004-11-04 Dror Goldenberg Hardware calculation of encapsulated IP, TCP and UDP checksums by a switch fabric channel adapter
JP4344576B2 (ja) * 2003-09-26 2009-10-14 株式会社ルネサステクノロジ パケット通信装置
US7181675B2 (en) * 2003-10-06 2007-02-20 Avago Technologies General Ip (Singapore) Pte. Ltd. System and method for checksum offloading
US7502925B2 (en) * 2004-04-19 2009-03-10 Nvidia Corporation Method and apparatus for reducing TCP frame transmit latency
JP3967338B2 (ja) * 2004-06-09 2007-08-29 株式会社日立国際電気 無線パケット転送装置
JP4612821B2 (ja) * 2004-09-10 2011-01-12 キヤノン株式会社 通信制御装置及び方法
US7447810B2 (en) * 2004-10-28 2008-11-04 Intel Corporation Implementing bufferless Direct Memory Access (DMA) controllers using split transactions
JP2006211227A (ja) * 2005-01-27 2006-08-10 Sony Corp データ送信装置およびデータ送信方法

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Publication number Publication date
US20080104162A1 (en) 2008-05-01
US8219866B2 (en) 2012-07-10
JP2008109473A (ja) 2008-05-08

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