CA2130409A1 - Method and System for Routing Path Determination for Mobile Workstations in a Multisegment Local Area Network - Google Patents

Method and System for Routing Path Determination for Mobile Workstations in a Multisegment Local Area Network

Info

Publication number
CA2130409A1
CA2130409A1 CA2130409A CA2130409A CA2130409A1 CA 2130409 A1 CA2130409 A1 CA 2130409A1 CA 2130409 A CA2130409 A CA 2130409A CA 2130409 A CA2130409 A CA 2130409A CA 2130409 A1 CA2130409 A1 CA 2130409A1
Authority
CA
Canada
Prior art keywords
area network
local area
workstation
multisegment local
mobile
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.)
Granted
Application number
CA2130409A
Other languages
French (fr)
Other versions
CA2130409C (en
Inventor
Victor S. Moore
Richard George Van Duren
David C. Wu
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
Publication of CA2130409A1 publication Critical patent/CA2130409A1/en
Application granted granted Critical
Publication of CA2130409C publication Critical patent/CA2130409C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/246—Connectivity information discovery
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/20—Communication route or path selection, e.g. power-based or shortest path routing based on geographic position or location

Abstract

A method and system for maintaining a routing path between a selected workstation within a multisegment local area network and a mobile workstation wherein individual segments within the multisegment local area network are interconnected by a router device and wherein selected segments within the multisegment local area network include radio frequency transceivers adapted to provide a wireless communications link with mobile workstations. Each time communication is established between a mobile workstation and a selected workstation within the multisegment local area network via a radio frequency transceiver a routing table entry is established which identifies a segment location for the mobile workstation within a routing table associated with each router device within the multisegment local area network. A routing table entry is also established which identifies a segment location for the selected workstation within the routing table associated within each router device within the multisegment local area network in response to each attempt at establishment of communication between the selected workstation and the mobile workstation. Thereafter, all routing table entries which identify the segment location for a mobile workstation are automatically deleted in response to a termination of communications between the mobile workstation and the radio frequency transceiver. Routing path determination for communications between a mobile workstation and any workstation within the multisegment local area network may then be determined by reference to a routing table associated with each router device within a multisegment local area network without requiring the maintenance of routing path information at each workstation within the multisegment local area network.
CA002130409A 1993-12-16 1994-08-18 Method and system for routing path determination for mobile workstations in a multisegment local area network Expired - Fee Related CA2130409C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/168,693 US5530963A (en) 1993-12-16 1993-12-16 Method and system for maintaining routing between mobile workstations and selected network workstation using routing table within each router device in the network
US168,693 1993-12-16

Publications (2)

Publication Number Publication Date
CA2130409A1 true CA2130409A1 (en) 1995-06-17
CA2130409C CA2130409C (en) 1999-06-22

Family

ID=22612547

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002130409A Expired - Fee Related CA2130409C (en) 1993-12-16 1994-08-18 Method and system for routing path determination for mobile workstations in a multisegment local area network

Country Status (10)

Country Link
US (1) US5530963A (en)
EP (1) EP0663746B1 (en)
JP (1) JP2577538B2 (en)
KR (1) KR0140145B1 (en)
CN (2) CN1057415C (en)
AT (1) ATE230536T1 (en)
BR (1) BR9405115A (en)
CA (1) CA2130409C (en)
DE (1) DE69431946T2 (en)
TW (1) TW392404B (en)

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Also Published As

Publication number Publication date
DE69431946D1 (en) 2003-02-06
KR950020158A (en) 1995-07-24
CA2130409C (en) 1999-06-22
KR0140145B1 (en) 1998-07-01
JPH07202928A (en) 1995-08-04
CN1111425A (en) 1995-11-08
BR9405115A (en) 1995-08-08
US5530963A (en) 1996-06-25
CN1250983A (en) 2000-04-19
CN1132347C (en) 2003-12-24
DE69431946T2 (en) 2003-10-02
EP0663746A3 (en) 1998-03-18
EP0663746B1 (en) 2003-01-02
CN1057415C (en) 2000-10-11
TW392404B (en) 2000-06-01
JP2577538B2 (en) 1997-02-05
EP0663746A2 (en) 1995-07-19
ATE230536T1 (en) 2003-01-15

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