IT1267645B1 - Struttura di comunicazione ad anello su vettore ottico e relativo nodo riconfigurabile. - Google Patents

Struttura di comunicazione ad anello su vettore ottico e relativo nodo riconfigurabile.

Info

Publication number
IT1267645B1
IT1267645B1 IT94TO001008A ITTO941008A IT1267645B1 IT 1267645 B1 IT1267645 B1 IT 1267645B1 IT 94TO001008 A IT94TO001008 A IT 94TO001008A IT TO941008 A ITTO941008 A IT TO941008A IT 1267645 B1 IT1267645 B1 IT 1267645B1
Authority
IT
Italy
Prior art keywords
relative
communication structure
ring communication
optical vector
reconfigurable node
Prior art date
Application number
IT94TO001008A
Other languages
English (en)
Inventor
Roberto Cadeddu
Riccardo Calvani
Giuseppe Ferraris
Roberto Lano
Emilio Vezzoni
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT94TO001008A priority Critical patent/IT1267645B1/it
Publication of ITTO941008A0 publication Critical patent/ITTO941008A0/it
Priority to US08/531,851 priority patent/US5647035A/en
Priority to EP95119360A priority patent/EP0716521B1/en
Priority to CA002164778A priority patent/CA2164778C/en
Priority to DE0716521T priority patent/DE716521T1/de
Priority to DE69531594T priority patent/DE69531594T2/de
Priority to JP7346018A priority patent/JP3008260B2/ja
Publication of ITTO941008A1 publication Critical patent/ITTO941008A1/it
Application granted granted Critical
Publication of IT1267645B1 publication Critical patent/IT1267645B1/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0293—Optical channel protection
    • H04J14/0295—Shared protection at the optical channel (1:1, n:m)
IT94TO001008A 1994-12-09 1994-12-09 Struttura di comunicazione ad anello su vettore ottico e relativo nodo riconfigurabile. IT1267645B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT94TO001008A IT1267645B1 (it) 1994-12-09 1994-12-09 Struttura di comunicazione ad anello su vettore ottico e relativo nodo riconfigurabile.
US08/531,851 US5647035A (en) 1994-12-09 1995-09-21 Ring network communication structure on an optical carrier and reconfigurable node for said structure
EP95119360A EP0716521B1 (en) 1994-12-09 1995-12-08 Ring network communication structure on an optical carrier and reconfigurable node for said structure
CA002164778A CA2164778C (en) 1994-12-09 1995-12-08 Ring network communication structure on an optical carrier and reconfigurable node for said structure
DE0716521T DE716521T1 (de) 1994-12-09 1995-12-08 Kommunikationsnetzwerk mit Ringstruktur über einen optischen Träger und rekonfigurierbarer Knoten für diese Struktur
DE69531594T DE69531594T2 (de) 1994-12-09 1995-12-08 Kommunikationsnetzwerk mit Ringstruktur über einen optischen Träger und rekonfigurierbarer Knoten für diese Struktur
JP7346018A JP3008260B2 (ja) 1994-12-09 1995-12-11 光伝送路のリングネットワーク通信構造とその構造用の再構成可能ノード

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT94TO001008A IT1267645B1 (it) 1994-12-09 1994-12-09 Struttura di comunicazione ad anello su vettore ottico e relativo nodo riconfigurabile.

Publications (3)

Publication Number Publication Date
ITTO941008A0 ITTO941008A0 (it) 1994-12-09
ITTO941008A1 ITTO941008A1 (it) 1996-06-09
IT1267645B1 true IT1267645B1 (it) 1997-02-07

Family

ID=11412961

Family Applications (1)

Application Number Title Priority Date Filing Date
IT94TO001008A IT1267645B1 (it) 1994-12-09 1994-12-09 Struttura di comunicazione ad anello su vettore ottico e relativo nodo riconfigurabile.

Country Status (6)

Country Link
US (1) US5647035A (it)
EP (1) EP0716521B1 (it)
JP (1) JP3008260B2 (it)
CA (1) CA2164778C (it)
DE (2) DE716521T1 (it)
IT (1) IT1267645B1 (it)

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Also Published As

Publication number Publication date
JPH08237195A (ja) 1996-09-13
JP3008260B2 (ja) 2000-02-14
CA2164778C (en) 1999-03-23
ITTO941008A0 (it) 1994-12-09
US5647035A (en) 1997-07-08
DE716521T1 (de) 1999-03-04
CA2164778A1 (en) 1996-06-10
EP0716521B1 (en) 2003-08-27
DE69531594T2 (de) 2004-06-24
DE69531594D1 (de) 2003-10-02
EP0716521A3 (en) 1998-06-10
EP0716521A2 (en) 1996-06-12
ITTO941008A1 (it) 1996-06-09

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971124