GB201704178D0 - Communications Network Node - Google Patents

Communications Network Node

Info

Publication number
GB201704178D0
GB201704178D0 GBGB1704178.1A GB201704178A GB201704178D0 GB 201704178 D0 GB201704178 D0 GB 201704178D0 GB 201704178 A GB201704178 A GB 201704178A GB 201704178 D0 GB201704178 D0 GB 201704178D0
Authority
GB
United Kingdom
Prior art keywords
network node
communications network
communications
node
network
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
GBGB1704178.1A
Other versions
GB2560564B (en
GB2560564A (en
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB1704178.1A priority Critical patent/GB2560564B/en
Publication of GB201704178D0 publication Critical patent/GB201704178D0/en
Publication of GB2560564A publication Critical patent/GB2560564A/en
Application granted granted Critical
Publication of GB2560564B publication Critical patent/GB2560564B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0852—Quantum cryptography
    • H04L9/0855—Quantum cryptography involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0852—Quantum cryptography
    • H04L9/0858—Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/70—Photonic quantum communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • 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
    • H04J14/0206—Express channels arrangements
    • 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
    • H04J14/0254—Optical medium access
    • H04J14/0272—Transmission of OAMP information
    • H04J14/0275—Transmission of OAMP information using an optical service channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength
    • 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
    • H04J14/0254—Optical medium access
    • H04J14/0272—Transmission of OAMP information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
GB1704178.1A 2017-03-16 2017-03-16 An intermediary communication network node for QKD and sharing the OSC channel for QKD signalling Active GB2560564B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1704178.1A GB2560564B (en) 2017-03-16 2017-03-16 An intermediary communication network node for QKD and sharing the OSC channel for QKD signalling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1704178.1A GB2560564B (en) 2017-03-16 2017-03-16 An intermediary communication network node for QKD and sharing the OSC channel for QKD signalling

Publications (3)

Publication Number Publication Date
GB201704178D0 true GB201704178D0 (en) 2017-05-03
GB2560564A GB2560564A (en) 2018-09-19
GB2560564B GB2560564B (en) 2020-04-22

Family

ID=58688453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1704178.1A Active GB2560564B (en) 2017-03-16 2017-03-16 An intermediary communication network node for QKD and sharing the OSC channel for QKD signalling

Country Status (1)

Country Link
GB (1) GB2560564B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020193147A1 (en) * 2019-03-22 2020-10-01 British Telecommunications Public Limited Company Improvements to qkd network architectures
EP4002750A1 (en) * 2020-11-20 2022-05-25 Deutsche Telekom AG Method and system for increasing key-exchange rates in a secure multi-hop fiber network

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09321701A (en) * 1996-05-31 1997-12-12 Fujitsu Ltd Optical communication system and optical amplifier
CN1998179B (en) * 2004-07-02 2010-08-04 Magiq技术公司 QKD cascaded network with loop-back capability
US7809268B2 (en) * 2006-03-13 2010-10-05 Cisco Technology, Inc. Integrated optical service channel and quantum key distribution channel
EP2266250A1 (en) * 2008-03-13 2010-12-29 University College Cork-National University of Ireland, Cork An optical communication system and method for secure data communication using quantum key distribution
GB2514134B (en) * 2013-05-14 2016-05-25 Toshiba Res Europe Ltd A signal manipulator for a quantum communication system

Also Published As

Publication number Publication date
GB2560564B (en) 2020-04-22
GB2560564A (en) 2018-09-19

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