DE69937248T2 - Routers und verfahren für optimale leitwegtabellenkomprimierung - Google Patents

Routers und verfahren für optimale leitwegtabellenkomprimierung Download PDF

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Publication number
DE69937248T2
DE69937248T2 DE69937248T DE69937248T DE69937248T2 DE 69937248 T2 DE69937248 T2 DE 69937248T2 DE 69937248 T DE69937248 T DE 69937248T DE 69937248 T DE69937248 T DE 69937248T DE 69937248 T2 DE69937248 T2 DE 69937248T2
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DE
Germany
Prior art keywords
tree
node
jumps
routing table
next jumps
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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
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DE69937248T
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German (de)
English (en)
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DE69937248D1 (de
Inventor
Richard P. Seattle DRAVES
Christopher S. Somerville KING
Srinivasan St. Louis VENKATACHARY
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Microsoft Corp
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Microsoft Corp
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Publication date
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Publication of DE69937248D1 publication Critical patent/DE69937248D1/de
Application granted granted Critical
Publication of DE69937248T2 publication Critical patent/DE69937248T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/02Topology update or discovery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/48Routing tree calculation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
DE69937248T 1998-11-06 1999-08-31 Routers und verfahren für optimale leitwegtabellenkomprimierung Expired - Lifetime DE69937248T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US188014 1998-11-06
US09/188,014 US6385649B1 (en) 1998-11-06 1998-11-06 Routers and methods for optimal routing table compression
PCT/US1999/019995 WO2000028704A1 (en) 1998-11-06 1999-08-31 Routers and methods for optimal routing table compression

Publications (2)

Publication Number Publication Date
DE69937248D1 DE69937248D1 (de) 2007-11-15
DE69937248T2 true DE69937248T2 (de) 2008-01-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE69937248T Expired - Lifetime DE69937248T2 (de) 1998-11-06 1999-08-31 Routers und verfahren für optimale leitwegtabellenkomprimierung

Country Status (7)

Country Link
US (1) US6385649B1 (https=)
EP (1) EP1127433B1 (https=)
JP (1) JP4268337B2 (https=)
AT (1) ATE375047T1 (https=)
AU (1) AU5798699A (https=)
DE (1) DE69937248T2 (https=)
WO (1) WO2000028704A1 (https=)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1305103B1 (it) * 1998-12-30 2001-04-10 Cit Alcatel Metodo di smistamento di pacchetti di informazione associati aindirizzi rappresentati tramite stringhe numeriche e relativo apparato
TW468116B (en) * 1999-02-08 2001-12-11 Wen-Shian Chen High speed Internet protocol address lookups method for saving memory
FR2789778B1 (fr) * 1999-02-12 2001-09-14 France Telecom Procede pour associer des references d'acheminement a des paquets de donnees au moyen d'une memoire trie, et routeur de paquets appliquant ce procede
US6772220B1 (en) * 1999-09-29 2004-08-03 International Business Machines Corporation Next hop command level addressing and routing
US6952740B1 (en) * 1999-10-04 2005-10-04 Nortel Networks Limited Apparatus and method of maintaining a route table
US6618755B1 (en) * 1999-12-07 2003-09-09 Watchguard Technologies, Inc. Automatically identifying subnetworks in a network
US6581106B1 (en) * 2000-01-13 2003-06-17 Pierluigi Crescenzi Fast address lookup in routing tables
US6766343B1 (en) * 2000-02-04 2004-07-20 Harris Corporation Method and apparatus for coordinate system conversions
AU2001268411A1 (en) * 2000-06-14 2002-01-02 Core Express, Inc. Route selection within a network with peering connections
US7966421B2 (en) * 2000-06-21 2011-06-21 SAtech Group, A.B. Limited Liability Company Method and apparatus for logically expanding the length of a search key
US20020089937A1 (en) 2000-11-16 2002-07-11 Srinivasan Venkatachary Packet matching method and system
US7106732B2 (en) * 2000-12-27 2006-09-12 Mosaid Technologies Incorporated Default route coding
US6680916B2 (en) * 2001-01-22 2004-01-20 Tut Systems, Inc. Method for using a balanced tree as a base for a routing table
US7133410B2 (en) * 2001-02-12 2006-11-07 Tellabs Operations, Inc. Method and system for designing ring-based telecommunications networks
US7506058B2 (en) * 2001-12-28 2009-03-17 International Business Machines Corporation Method for transmitting information across firewalls
FR2838590B1 (fr) * 2002-04-16 2005-12-30 St Microelectronics Sa Procede de routage pour un reseau de telecommunication et routeur pour la mise en oeuvre dudit procede
US7733880B2 (en) * 2002-06-14 2010-06-08 Alcatel-Lucent Usa Inc. Managing routes in a router utilizing threshold-specific discard algorithms
US7433304B1 (en) * 2002-09-06 2008-10-07 Packeteer, Inc. Classification data structure enabling multi-dimensional network traffic classification and control schemes
US6934252B2 (en) * 2002-09-16 2005-08-23 North Carolina State University Methods and systems for fast binary network address lookups using parent node information stored in routing table entries
US6954794B2 (en) * 2002-10-21 2005-10-11 Tekelec Methods and systems for exchanging reachability information and for switching traffic between redundant interfaces in a network cluster
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
US7099881B2 (en) * 2002-12-06 2006-08-29 Stmicroelectronics, Inc. Method for increasing average storage capacity in a bit-mapped tree-based storage engine by using remappable prefix representations and a run-length encoding scheme that defines multi-length fields to compactly store IP prefixes
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
US7571156B1 (en) 2003-03-28 2009-08-04 Netlogic Microsystems, Inc. Network device, storage medium and methods for incrementally updating a forwarding database
US7437354B2 (en) * 2003-06-05 2008-10-14 Netlogic Microsystems, Inc. Architecture for network search engines with fixed latency, high capacity, and high throughput
US8301738B1 (en) * 2003-07-31 2012-10-30 Novell, Inc. Systems and methods for private network addressing in IP protocols
US7487255B2 (en) * 2003-08-14 2009-02-03 Hewlett-Packard Development Company, L.P. Routing cache management with route fragmentation
US7379424B1 (en) * 2003-08-18 2008-05-27 Cray Inc. Systems and methods for routing packets in multiprocessor computer systems
US7702882B2 (en) * 2003-09-10 2010-04-20 Samsung Electronics Co., Ltd. Apparatus and method for performing high-speed lookups in a routing table
GB2421158B (en) * 2003-10-03 2007-07-11 Avici Systems Inc Rapid alternate paths for network destinations
US8346960B2 (en) * 2005-02-15 2013-01-01 At&T Intellectual Property Ii, L.P. Systems, methods, and devices for defending a network
US7694068B1 (en) 2005-12-08 2010-04-06 Netlogic Microsystems, Inc. Re-entrant processing in a content addressable memory
US8023517B2 (en) * 2006-04-05 2011-09-20 Cisco Technology, Inc. System and method for improving network performance and security by controlling topology information
EP2014027B1 (en) * 2006-04-28 2014-01-01 Telecom Italia S.p.A. Method for determining prospective peering partners for an internet service provider
US8364803B2 (en) 2006-10-20 2013-01-29 Oricane Ab Method, device, computer program product and system for representing a partition of N W-bit intervals associated to D-bit data in a data communications network
SE531557C2 (sv) 2006-10-20 2009-05-19 Oricane Ab Förfarande, klassificeringsanordning, datorprogramprodukt och system för att representera en del av n w-bit-intervall hörande till d-bit data i ett datakommunikationsnätverk
US7933282B1 (en) 2007-02-08 2011-04-26 Netlogic Microsystems, Inc. Packet classification device for storing groups of rules
US9014047B2 (en) 2007-07-10 2015-04-21 Level 3 Communications, Llc System and method for aggregating and reporting network traffic data
US8654763B2 (en) * 2008-10-15 2014-02-18 Board Of Trustees Of Michigan State University Systematic approach towards minimizing packet classifiers
CN101404617B (zh) * 2008-11-04 2011-03-23 刘显福 一种流体动态生成树的形成方法
CN101741708B (zh) * 2008-11-13 2012-11-21 华为技术有限公司 一种存储数据的方法和装置
US8036126B2 (en) * 2009-02-17 2011-10-11 At&T Intellectual Property Llp System and method for compressing internet protocol routing tables
JP2010226340A (ja) * 2009-03-23 2010-10-07 Alaxala Networks Corp 通信装置
US8780926B2 (en) * 2009-12-01 2014-07-15 Polytechnic Institute Of New York University Updating prefix-compressed tries for IP route lookup
US8375165B2 (en) 2010-01-08 2013-02-12 Board Of Trustees Of Michigan State University Bit weaving technique for compressing packet classifiers
US8363662B2 (en) * 2010-03-19 2013-01-29 Cisco Technology, Inc. Alternate down paths for directed acyclic graph (DAG) routing
US8438330B2 (en) 2010-05-17 2013-05-07 Netlogic Microsystems, Inc. Updating cam arrays using prefix length distribution prediction
US8769148B1 (en) 2010-07-30 2014-07-01 Google Inc. Traffic distribution over multiple paths in a network
CN102143076B (zh) * 2011-03-29 2014-10-22 中兴通讯股份有限公司 一种多重保护叠加的保护组实现方法和装置
US9716592B1 (en) 2011-06-10 2017-07-25 Google Inc. Traffic distribution over multiple paths in a network while maintaining flow affinity
US20150363510A1 (en) * 2013-01-31 2015-12-17 Hewlett-Packard Development Company, L.P. Indexed shaped graph creation
KR101640733B1 (ko) * 2015-01-23 2016-07-20 주식회사 리얼타임테크 인-메모리 데이터베이스 기반의 데이터 관리 시스템 및 그 방법
WO2016149905A1 (en) * 2015-03-24 2016-09-29 Hewlett-Packard Development Company, L.P. Field programmable gate array memory allocation
US10298491B2 (en) * 2016-08-25 2019-05-21 Cisco Technology, Inc. Efficient path detection and validation between endpoints in large datacenters
US10284472B2 (en) 2017-01-24 2019-05-07 Cisco Technology, Inc. Dynamic and compressed trie for use in route lookup
CN110557330B (zh) * 2018-05-30 2022-03-25 中兴通讯股份有限公司 一种备份路径计算方法、装置及计算机存储介质
PL3618355T3 (pl) 2018-08-27 2021-02-08 Ovh Systemy i sposoby obsługiwania urządzenia sieciowego
PL3618389T3 (pl) 2018-08-27 2021-04-06 Ovh Systemy i sposoby obsługiwania urządzenia sieciowego
CN109308284B (zh) * 2018-09-28 2023-09-19 中国平安财产保险股份有限公司 报表菜单生成方法、装置、计算机设备及存储介质
CN112565072B (zh) * 2020-11-02 2022-08-09 鹏城实验室 一种路由表压缩方法、路由器及存储介质
WO2022150052A1 (en) * 2021-01-05 2022-07-14 Vmware, Inc. Compression of route tables using key values
CN116896518B (zh) * 2023-09-11 2023-11-24 腾讯科技(深圳)有限公司 路由对账方法、装置、电子设备及存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5095480A (en) 1989-06-16 1992-03-10 Fenner Peter R Message routing system for shared communication media networks
US5490258A (en) * 1991-07-29 1996-02-06 Fenner; Peter R. Associative memory for very large key spaces
JP3361865B2 (ja) 1993-12-13 2003-01-07 富士通株式会社 スタティックなルーティング情報の自動設定方法およびルーティング情報の自動設定を行うコンピュータ
US5546390A (en) * 1994-12-29 1996-08-13 Storage Technology Corporation Method and apparatus for radix decision packet processing
US5751971A (en) * 1995-07-12 1998-05-12 Cabletron Systems, Inc. Internet protocol (IP) work group routing
US5826262A (en) 1996-03-22 1998-10-20 International Business Machines Corporation Parallel bottom-up construction of radix trees
US5881241A (en) * 1996-06-19 1999-03-09 Sun Microsystems, Inc. System for transmitting data packet after matching data packet's routing pattern with predetermined data routes stored in a route table
US6011795A (en) 1997-03-20 2000-01-04 Washington University Method and apparatus for fast hierarchical address lookup using controlled expansion of prefixes
US5933849A (en) * 1997-04-10 1999-08-03 At&T Corp Scalable distributed caching system and method
US6018524A (en) * 1997-09-09 2000-01-25 Washington University Scalable high speed IP routing lookups
US6061712A (en) 1998-01-07 2000-05-09 Lucent Technologies, Inc. Method for IP routing table look-up
US6067574A (en) 1998-05-18 2000-05-23 Lucent Technologies Inc High speed routing using compressed tree process
US6192051B1 (en) * 1999-02-26 2001-02-20 Redstone Communications, Inc. Network router search engine using compressed tree forwarding table

Also Published As

Publication number Publication date
WO2000028704A1 (en) 2000-05-18
AU5798699A (en) 2000-05-29
EP1127433B1 (en) 2007-10-03
DE69937248D1 (de) 2007-11-15
JP4268337B2 (ja) 2009-05-27
JP2002530011A (ja) 2002-09-10
US6385649B1 (en) 2002-05-07
EP1127433A1 (en) 2001-08-29
ATE375047T1 (de) 2007-10-15

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