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FR2756442B1 - MULTI-WAVELENGTH RING NETWORK FOR CONNECTING USERS, ESPECIALLY PROFESSIONAL USERS - Google Patents

MULTI-WAVELENGTH RING NETWORK FOR CONNECTING USERS, ESPECIALLY PROFESSIONAL USERS

Info

Publication number
FR2756442B1
FR2756442B1 FR9614451A FR9614451A FR2756442B1 FR 2756442 B1 FR2756442 B1 FR 2756442B1 FR 9614451 A FR9614451 A FR 9614451A FR 9614451 A FR9614451 A FR 9614451A FR 2756442 B1 FR2756442 B1 FR 2756442B1
Authority
FR
France
Prior art keywords
users
ring network
optical
nodes
wavelength ring
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.)
Expired - Fee Related
Application number
FR9614451A
Other languages
French (fr)
Other versions
FR2756442A1 (en
Inventor
Andre Hamel
Daniel Laville
Jean Stoschek
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.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Priority to FR9614451A priority Critical patent/FR2756442B1/en
Publication of FR2756442A1 publication Critical patent/FR2756442A1/en
Application granted granted Critical
Publication of FR2756442B1 publication Critical patent/FR2756442B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0226—Fixed carrier allocation, e.g. according to service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • 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
    • H04J14/0278—WDM optical network architectures
    • H04J14/0286—WDM hierarchical architectures
    • 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
    • H04J14/0289—Optical multiplex section protection
    • H04J14/029—Dedicated protection at the optical multiplex section (1+1)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)

Abstract

The multiple wavelength ring network has two single direction fibre optical rings (F1,F2). The rings have nodes (N1..N4) with optical pointers (A1 to A4). The nodes are connected to the user transmission equipment (M1 to M4). Two Fibre optical cables (FR1,FR2) connect the terminals to the nodes. Each terminal has an assigned wavelength, which is extracted from the optical ring by switching the optical pointer.
FR9614451A 1996-11-26 1996-11-26 MULTI-WAVELENGTH RING NETWORK FOR CONNECTING USERS, ESPECIALLY PROFESSIONAL USERS Expired - Fee Related FR2756442B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9614451A FR2756442B1 (en) 1996-11-26 1996-11-26 MULTI-WAVELENGTH RING NETWORK FOR CONNECTING USERS, ESPECIALLY PROFESSIONAL USERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9614451A FR2756442B1 (en) 1996-11-26 1996-11-26 MULTI-WAVELENGTH RING NETWORK FOR CONNECTING USERS, ESPECIALLY PROFESSIONAL USERS

Publications (2)

Publication Number Publication Date
FR2756442A1 FR2756442A1 (en) 1998-05-29
FR2756442B1 true FR2756442B1 (en) 1999-05-28

Family

ID=9498023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9614451A Expired - Fee Related FR2756442B1 (en) 1996-11-26 1996-11-26 MULTI-WAVELENGTH RING NETWORK FOR CONNECTING USERS, ESPECIALLY PROFESSIONAL USERS

Country Status (1)

Country Link
FR (1) FR2756442B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2578099A (en) * 1998-02-04 1999-08-23 Chromatis Networks, Inc. Virtual star network
US6426815B1 (en) * 1998-06-19 2002-07-30 Ciena Corporation WDM ring transmission system having two hubs
EP1087556B1 (en) 1999-09-22 2008-07-02 Lucent Technologies Inc. Optical network with power splitters
JP2001313660A (en) * 2000-02-21 2001-11-09 Nippon Telegr & Teleph Corp <Ntt> Wavelength multiplexed optical network
US20020154357A1 (en) * 2001-03-29 2002-10-24 Cuneyt Ozveren Methods and apparatus for reconfigurable WDM lightpath rings
FR2837641B1 (en) 2002-03-21 2004-09-10 Cit Alcatel METROPOLITAN-TYPE OPTICAL TELECOMMUNICATIONS NETWORK INCLUDING A RING-TYPE CORE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05259991A (en) * 1992-03-13 1993-10-08 Nippon Telegr & Teleph Corp <Ntt> Optical network
FR2718869B1 (en) * 1994-04-13 1996-05-24 Andre Hamel Network architecture in multiple access transmission loop by spectral routing.

Also Published As

Publication number Publication date
FR2756442A1 (en) 1998-05-29

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20120731