DE69927109D1 - Speicher zur Informationssuche durch Präfixanalyse für Knoten von Hochgeschwindigkeitsnetzwerken - Google Patents

Speicher zur Informationssuche durch Präfixanalyse für Knoten von Hochgeschwindigkeitsnetzwerken

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Publication number
DE69927109D1
DE69927109D1 DE69927109T DE69927109T DE69927109D1 DE 69927109 D1 DE69927109 D1 DE 69927109D1 DE 69927109 T DE69927109 T DE 69927109T DE 69927109 T DE69927109 T DE 69927109T DE 69927109 D1 DE69927109 D1 DE 69927109D1
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DE
Germany
Prior art keywords
information
target
next row
prefix
cell
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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.)
Expired - Lifetime
Application number
DE69927109T
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English (en)
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DE69927109T2 (de
Inventor
Enrica Filippi
Viviana Innocenti
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TELEKOM ITALIA SpA
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TELEKOM ITALIA SpA
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Application granted granted Critical
Publication of DE69927109D1 publication Critical patent/DE69927109D1/de
Publication of DE69927109T2 publication Critical patent/DE69927109T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/10—Packet switching elements characterised by the switching fabric construction
    • H04L49/104—Asynchronous transfer mode [ATM] switching fabrics
    • H04L49/105—ATM switching elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/54—Organization of routing tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/30—Peripheral units, e.g. input or output ports
    • H04L49/3081—ATM peripheral units, e.g. policing, insertion or extraction
    • H04L49/309—Header conversion, routing tables or routing tags
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99933—Query processing, i.e. searching
    • Y10S707/99936—Pattern matching access
DE69927109T 1998-10-27 1999-10-26 Speicher zur Informationssuche durch Präfixanalyse für Knoten von Hochgeschwindigkeitsnetzen Expired - Lifetime DE69927109T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO980909 1998-10-27
IT1998TO000909A IT1305140B1 (it) 1998-10-27 1998-10-27 Memoria per la ricerca di informazioni mediante analisi di prefissi inparticolare per la realizzazione di tabelle di instradamento in nodi

Publications (2)

Publication Number Publication Date
DE69927109D1 true DE69927109D1 (de) 2005-10-13
DE69927109T2 DE69927109T2 (de) 2006-06-29

Family

ID=11417138

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69927109T Expired - Lifetime DE69927109T2 (de) 1998-10-27 1999-10-26 Speicher zur Informationssuche durch Präfixanalyse für Knoten von Hochgeschwindigkeitsnetzen

Country Status (7)

Country Link
US (1) US6571313B1 (de)
EP (1) EP0998162B1 (de)
JP (1) JP3299528B2 (de)
AT (1) ATE304276T1 (de)
CA (1) CA2287041C (de)
DE (1) DE69927109T2 (de)
IT (1) IT1305140B1 (de)

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EP1250779A2 (de) * 1999-12-10 2002-10-23 Mosaid Technologies Incorporated Verfahren und gerät zum festlegen der grössten adressübereinstimmung in einer nachschlagtabelle
US6947931B1 (en) * 2000-04-06 2005-09-20 International Business Machines Corporation Longest prefix match (LPM) algorithm implementation for a network processor
US6880064B1 (en) * 2000-06-21 2005-04-12 Mosaid Technologies, Inc. Method and apparatus for physical width expansion of a longest prefix match lookup table
JP2002026973A (ja) * 2000-07-12 2002-01-25 Nec Corp 経路検索システム及びその方法並びにそれに使用するルータ装置
KR100686732B1 (ko) * 2000-08-26 2007-02-23 삼성전자주식회사 복수의 프리픽스로부터 데이터 패킷을 라우팅하기 위한데이터베이스 생성방법과 라우팅 방법 및 그 방법을이용한 라우터
US6888838B1 (en) * 2000-11-16 2005-05-03 Tensilica, Inc. Fast IP route lookup with configurable processor and compressed routing table
US7274697B2 (en) * 2000-11-16 2007-09-25 Tensilica, Inc. Fast IP route lookup with 16/K and 16/Kc compressed data structures
US20020089937A1 (en) 2000-11-16 2002-07-11 Srinivasan Venkatachary Packet matching method and system
US7031320B2 (en) * 2000-12-22 2006-04-18 Samsung Electronics Co., Ltd. Apparatus and method for performing high-speed IP route lookup and managing routing/forwarding tables
KR100493099B1 (ko) * 2000-12-22 2005-06-02 삼성전자주식회사 고속 인터넷프로토콜 라우터의 라우팅/포워딩 룩업 및라우팅 테이블 관리
US7227842B1 (en) 2001-04-24 2007-06-05 Tensilica, Inc. Fast IP packet classification with configurable processor
US7230912B1 (en) * 2001-06-14 2007-06-12 Juniper Networks, Inc. Sampling to a next hop
US6985483B2 (en) * 2001-07-31 2006-01-10 North Carolina State University Methods and systems for fast packet forwarding
US20030031179A1 (en) * 2001-08-08 2003-02-13 Jintae Oh Self-updateable longest prefix matching method and apparatus
US7007101B1 (en) 2001-11-09 2006-02-28 Radisys Microware Communications Software Division, Inc. Routing and forwarding table management for network processor architectures
US7180887B1 (en) 2002-01-04 2007-02-20 Radisys Patent Properties Routing and forwarding table management for network processor architectures
US20030174717A1 (en) * 2002-03-15 2003-09-18 Boris Zabarski System and method for longest prefix match for internet protocol lookup
US6925464B2 (en) * 2002-06-13 2005-08-02 Intel Corporation Method and system for performing inserts and lookups in memory
US7162481B2 (en) * 2002-12-06 2007-01-09 Stmicroelectronics, Inc. Method for increasing storage capacity in a multi-bit trie-based hardware storage engine by compressing the representation of single-length prefixes
KR100918733B1 (ko) * 2003-01-30 2009-09-24 삼성전자주식회사 포워딩정보를 동적으로 관리하는 분산구조라우터 및 그방법
US7571156B1 (en) * 2003-03-28 2009-08-04 Netlogic Microsystems, Inc. Network device, storage medium and methods for incrementally updating a forwarding database
US7426518B2 (en) * 2003-03-28 2008-09-16 Netlogic Microsystems, Inc. System and method for efficiently searching a forwarding database that is split into a bounded number of sub-databases having a bounded size
CN100452732C (zh) * 2003-08-19 2009-01-14 华为技术有限公司 路由查找方法及其系统
US7702882B2 (en) * 2003-09-10 2010-04-20 Samsung Electronics Co., Ltd. Apparatus and method for performing high-speed lookups in a routing table
US8024176B2 (en) * 2003-09-30 2011-09-20 Dictaphone Corporation System, method and apparatus for prediction using minimal affix patterns
US7694068B1 (en) 2005-12-08 2010-04-06 Netlogic Microsystems, Inc. Re-entrant processing in a content addressable memory
US7904642B1 (en) 2007-02-08 2011-03-08 Netlogic Microsystems, Inc. Method for combining and storing access control lists
US8862685B2 (en) * 2008-11-21 2014-10-14 Continental Teves Ag & Co. Ohg Data transmission protocol for synchronization communication between two communication devices
US8438330B2 (en) 2010-05-17 2013-05-07 Netlogic Microsystems, Inc. Updating cam arrays using prefix length distribution prediction
DE102011009518B4 (de) * 2011-01-26 2013-09-12 Ruprecht-Karls-Universität Heidelberg Schaltungsanordnung für Verbindungsschnittstelle
CN103973571A (zh) * 2013-02-05 2014-08-06 中兴通讯股份有限公司 网络处理器及其路由查找方法
CN103458479A (zh) * 2013-09-17 2013-12-18 清华大学 Wsn中基于内容的路由表的数据路由方法及系统
US10496631B2 (en) 2017-03-10 2019-12-03 Symphony Communication Services Holdings Llc Secure information retrieval and update
US10776185B2 (en) 2018-12-10 2020-09-15 International Business Machines Corporation Messaging software management for network devices supporting hardware tag matching
US11126374B2 (en) * 2019-03-28 2021-09-21 Intel Corporation Technologies for efficient stochastic associative search operations

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AU620994B2 (en) * 1989-07-12 1992-02-27 Digital Equipment Corporation Compressed prefix matching database searching
WO1996000945A1 (en) * 1994-06-30 1996-01-11 International Business Machines Corp. Variable length data sequence matching method and apparatus
US6052683A (en) * 1998-02-24 2000-04-18 Nortel Networks Corporation Address lookup in packet data communication networks
US6396842B1 (en) * 1998-04-30 2002-05-28 3Com Corporation Method of searching using longest match based Randix Search Trie with variable length keys and having prefix capability
US6430527B1 (en) * 1998-05-06 2002-08-06 Avici Systems Prefix search circuitry and method
US6434115B1 (en) * 1998-07-02 2002-08-13 Pluris, Inc. System and method for switching packets in a network
US6237061B1 (en) * 1999-01-05 2001-05-22 Netlogic Microsystems, Inc. Method for longest prefix matching in a content addressable memory

Also Published As

Publication number Publication date
DE69927109T2 (de) 2006-06-29
ITTO980909A1 (it) 2000-04-27
JP2000151691A (ja) 2000-05-30
CA2287041A1 (en) 2000-04-27
ATE304276T1 (de) 2005-09-15
JP3299528B2 (ja) 2002-07-08
EP0998162A3 (de) 2004-06-23
EP0998162A2 (de) 2000-05-03
EP0998162B1 (de) 2005-09-07
US6571313B1 (en) 2003-05-27
IT1305140B1 (it) 2001-04-10
CA2287041C (en) 2003-12-30

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