CA2301736A1 - Method and system for encapsulating/decapsulating data on a per channel basis in hardware - Google Patents

Method and system for encapsulating/decapsulating data on a per channel basis in hardware Download PDF

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Publication number
CA2301736A1
CA2301736A1 CA002301736A CA2301736A CA2301736A1 CA 2301736 A1 CA2301736 A1 CA 2301736A1 CA 002301736 A CA002301736 A CA 002301736A CA 2301736 A CA2301736 A CA 2301736A CA 2301736 A1 CA2301736 A1 CA 2301736A1
Authority
CA
Canada
Prior art keywords
hardware
encapsulating
decapsulation
encapsulation
per channel
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
CA002301736A
Other languages
French (fr)
Other versions
CA2301736C (en
Inventor
Steven R. Willis
Gregg Bromley
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.)
Juniper Networks Inc
Original Assignee
Unisphere Solutions, Inc.
Steven R. Willis
Gregg Bromley
Unisphere Networks, Inc.
Juniper Networks, Inc.
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 Unisphere Solutions, Inc., Steven R. Willis, Gregg Bromley, Unisphere Networks, Inc., Juniper Networks, Inc. filed Critical Unisphere Solutions, Inc.
Publication of CA2301736A1 publication Critical patent/CA2301736A1/en
Application granted granted Critical
Publication of CA2301736C publication Critical patent/CA2301736C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • 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
    • H04L45/74—Address processing for routing
    • H04L45/742—Route cache; Operation thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5614—User Network Interface
    • H04L2012/5618—Bridges, gateways [GW] or interworking units [IWU]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly
    • H04L2012/5653—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly using the ATM adaptation layer [AAL]
    • H04L2012/5658—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly using the ATM adaptation layer [AAL] using the AAL5
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5665—Interaction of ATM with other protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5665—Interaction of ATM with other protocols
    • H04L2012/5667—IP over ATM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5665—Interaction of ATM with other protocols
    • H04L2012/5669—Multiprotocol over ATM [MPOA]

Abstract

A forwarding node decapsulates and encapsulates data. The decapsulation may be performed using pattern matching techniques and the encapsulation may be performed using pattern insertion techniques. The decapsulation and encapsulation are preferably performed by hardware devices such as application specific integrated circuits (ASICs) to enhance the speed of such operations. The decapsulation and encapsulation may be independent of each other and performed on a per virtual circuit basis.
CA002301736A 1998-06-19 1999-06-18 Method and system for encapsulating/decapsulating data on a per channel basis in hardware Expired - Fee Related CA2301736C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9002898P 1998-06-19 1998-06-19
US60/090,028 1998-06-19
PCT/US1999/013859 WO1999066762A1 (en) 1998-06-19 1999-06-18 Method and system for encapsulating/decapsulating data on a per channel basis in hardware

Publications (2)

Publication Number Publication Date
CA2301736A1 true CA2301736A1 (en) 1999-12-23
CA2301736C CA2301736C (en) 2007-03-06

Family

ID=22220878

Family Applications (4)

Application Number Title Priority Date Filing Date
CA002301823A Expired - Fee Related CA2301823C (en) 1998-06-19 1999-06-18 A quality of service facility in a device for performing ip forwarding and atm switching
CA002301736A Expired - Fee Related CA2301736C (en) 1998-06-19 1999-06-18 Method and system for encapsulating/decapsulating data on a per channel basis in hardware
CA002301910A Abandoned CA2301910A1 (en) 1998-06-19 1999-06-18 An interconnect network for operation within a communication node
CA002301853A Expired - Fee Related CA2301853C (en) 1998-06-19 1999-06-18 Device for performing ip forwarding and atm switching

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002301823A Expired - Fee Related CA2301823C (en) 1998-06-19 1999-06-18 A quality of service facility in a device for performing ip forwarding and atm switching

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA002301910A Abandoned CA2301910A1 (en) 1998-06-19 1999-06-18 An interconnect network for operation within a communication node
CA002301853A Expired - Fee Related CA2301853C (en) 1998-06-19 1999-06-18 Device for performing ip forwarding and atm switching

Country Status (8)

Country Link
US (8) US6909720B1 (en)
EP (4) EP1005779B1 (en)
CN (4) CN1214689C (en)
AU (4) AU760640B2 (en)
CA (4) CA2301823C (en)
DE (1) DE69938329T2 (en)
IL (4) IL134612A (en)
WO (4) WO1999066761A1 (en)

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