CA2228409A1 - Fibre channel fabric - Google Patents

Fibre channel fabric

Info

Publication number
CA2228409A1
CA2228409A1 CA002228409A CA2228409A CA2228409A1 CA 2228409 A1 CA2228409 A1 CA 2228409A1 CA 002228409 A CA002228409 A CA 002228409A CA 2228409 A CA2228409 A CA 2228409A CA 2228409 A1 CA2228409 A1 CA 2228409A1
Authority
CA
Canada
Prior art keywords
fibre channel
frame
channel fabric
cells
fixed length
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
CA002228409A
Other languages
French (fr)
Other versions
CA2228409C (en
Inventor
Shiego Yamazaki
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
NEC 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 NEC Corp filed Critical NEC Corp
Publication of CA2228409A1 publication Critical patent/CA2228409A1/en
Application granted granted Critical
Publication of CA2228409C publication Critical patent/CA2228409C/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
    • H04L49/00—Packet switching elements
    • H04L49/50—Overload detection or protection within a single switching element
    • H04L49/501—Overload detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/25—Routing or path finding in a switch fabric
    • H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
    • H04L49/255—Control mechanisms for ATM switching fabrics
    • 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
    • H04L49/3009—Header conversion, routing tables or routing tags
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/356—Switches specially adapted for specific applications for storage area networks
    • H04L49/357—Fibre channel switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/50—Overload detection or protection within a single switching element
    • H04L49/505—Corrective measures
    • 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
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5645—Connectionless
    • 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
    • H04L2012/5672—Multiplexing, e.g. coding, scrambling
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/55—Prevention, detection or correction of errors
    • H04L49/555—Error detection

Abstract

There is provided a fibre channel fabric for interchanging frame by dividing a connectionless, variable length frame into fixed length cells withoutcarrying out calling setup and/or releasing command between termination nodes, to thereby interchange cells, and further by reconstructing the thus interchanged cells into an original frame, the fibre channel fabric including (a) a fibre channel interface controller for communicating with a termination node or another fibre channel fabric to control a fibre channel in protocol, (b) an input data buffer for temporarily storing a frame received the termination node or the another fibre channel fabric, (c) a cell producer for dividing the frame received into fixed length cells, (d) a cell switch for interchanging data at the unit of a fixed length cell, (e) a frame constructor for reconstructing an original frame of the fixed length cellstransmitted from the cell switch, (f) an output data buffer for temporarily storing a frame transmitted from the frame constructor, and (g) a congestion controller for monitoring a load of the cell switch to thereby avoid congestion. The above-mentioned fibre channel fabric can be readily constructed as a hardware for enhancing interchangability, and provides a congestion controller having a simpler structure.
CA 2228409 1997-01-31 1998-01-30 Fibre channel fabric Expired - Fee Related CA2228409C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9-33209 1997-01-31
JP3320997A JP3156623B2 (en) 1997-01-31 1997-01-31 Fiber channel fabric

Publications (2)

Publication Number Publication Date
CA2228409A1 true CA2228409A1 (en) 1998-07-31
CA2228409C CA2228409C (en) 2002-07-23

Family

ID=12380075

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2228409 Expired - Fee Related CA2228409C (en) 1997-01-31 1998-01-30 Fibre channel fabric

Country Status (6)

Country Link
US (1) US6205145B1 (en)
EP (2) EP2109249A2 (en)
JP (1) JP3156623B2 (en)
AU (1) AU696578B2 (en)
CA (1) CA2228409C (en)
DE (1) DE69840988D1 (en)

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US7154886B2 (en) 2002-07-22 2006-12-26 Qlogic Corporation Method and system for primary blade selection in a multi-module fiber channel switch
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Also Published As

Publication number Publication date
JP3156623B2 (en) 2001-04-16
EP0856969B1 (en) 2009-07-22
JPH10224373A (en) 1998-08-21
DE69840988D1 (en) 2009-09-03
US6205145B1 (en) 2001-03-20
AU5284398A (en) 1998-08-06
CA2228409C (en) 2002-07-23
EP2109249A2 (en) 2009-10-14
AU696578B2 (en) 1998-09-10
EP0856969A1 (en) 1998-08-05

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