BRPI0921878A8 - Instância de serviço aplicada a redes mpls - Google Patents

Instância de serviço aplicada a redes mpls

Info

Publication number
BRPI0921878A8
BRPI0921878A8 BRPI0921878A BRPI0921878A BRPI0921878A8 BR PI0921878 A8 BRPI0921878 A8 BR PI0921878A8 BR PI0921878 A BRPI0921878 A BR PI0921878A BR PI0921878 A BRPI0921878 A BR PI0921878A BR PI0921878 A8 BRPI0921878 A8 BR PI0921878A8
Authority
BR
Brazil
Prior art keywords
point
nodes
labels
mpls
domain
Prior art date
Application number
BRPI0921878A
Other languages
English (en)
Inventor
Fedyk Donald
Original Assignee
Nortel Networks Ltd
Rockstar Bidco Lp
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 Nortel Networks Ltd, Rockstar Bidco Lp filed Critical Nortel Networks Ltd
Publication of BRPI0921878A2 publication Critical patent/BRPI0921878A2/pt
Publication of BRPI0921878A8 publication Critical patent/BRPI0921878A8/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • H04L12/18Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1886Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with traffic restrictions for efficiency improvement, e.g. involving subnets or subdomains
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/12Discovery or management of network topologies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/02Topology update or discovery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/02Topology update or discovery
    • H04L45/026Details of "hello" or keep-alive messages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/02Topology update or discovery
    • H04L45/03Topology update or discovery by updating link state protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/02Topology update or discovery
    • H04L45/10Routing in connection-oriented networks, e.g. X.25 or ATM
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/12Shortest path evaluation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/16Multipoint routing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/302Route determination based on requested QoS
    • H04L45/306Route determination based on the nature of the carried application
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/50Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/50Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
    • H04L45/507Label distribution
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/68Pseudowire emulation, e.g. IETF WG PWE3
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40Network security protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

INSTÂNCIA DE SERVIÇO APLICADA A REDES MPLS. Identificadores de nó únicos de amplo domínio e identificadores de serviço únicos de amplo domínio são distribuídos dentro de um domínio MPLS utilizando LSAs de sistema de roteamento. Nós da rede MPLS calculam as árvores de caminho mais curto para cada destino e instalam o estado de encaminhamento ponto-a-ponto com base nas árvores calculadas. Nós também instalam conectividade multi ponto entre os nós avisando interesse comum em um identificador de serviço comum. Ao invés de distribuir rótulos para serem usados em conexão com a conectividade ponto-a-ponto e multiponto, os nós calculam de forma deterministica os rótulos. Qualquer número de contextos de rótulo pode ser calculado. Os rótulos podem tanto ser de únicos de amplo domínio por caminho ponto-a-ponto ou por multi ponto, ou podem ser localmente únicos e deterministicamente calculados para fornecer o contexto de encaminhamento para o caminho associado. Caminhos ponto-a-ponto e multi ponto podem ser congruentes, embora esta não seja uma exigência.
BRPI0921878A 2008-11-14 2009-11-05 Instância de serviço aplicada a redes mpls BRPI0921878A8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11455808P 2008-11-14 2008-11-14
US12/412,589 US8811388B2 (en) 2008-11-14 2009-03-27 Service instance applied to MPLS networks
PCT/US2009/063325 WO2010056582A2 (en) 2008-11-14 2009-11-05 Service instance applied to mpls networks

Publications (2)

Publication Number Publication Date
BRPI0921878A2 BRPI0921878A2 (pt) 2015-12-29
BRPI0921878A8 true BRPI0921878A8 (pt) 2016-09-27

Family

ID=42170642

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0921878A BRPI0921878A8 (pt) 2008-11-14 2009-11-05 Instância de serviço aplicada a redes mpls

Country Status (9)

Country Link
US (3) US8811388B2 (pt)
EP (1) EP2347547A4 (pt)
JP (2) JP5635523B2 (pt)
KR (1) KR20110095865A (pt)
CN (2) CN104038417A (pt)
BR (1) BRPI0921878A8 (pt)
CA (1) CA2742735A1 (pt)
RU (1) RU2541940C2 (pt)
WO (1) WO2010056582A2 (pt)

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Also Published As

Publication number Publication date
CN102217238A (zh) 2011-10-12
KR20110095865A (ko) 2011-08-25
JP5635523B2 (ja) 2014-12-03
WO2010056582A2 (en) 2010-05-20
JP2012509018A (ja) 2012-04-12
JP2014239540A (ja) 2014-12-18
WO2010056582A3 (en) 2010-08-05
US20100124225A1 (en) 2010-05-20
CN104038417A (zh) 2014-09-10
RU2541940C2 (ru) 2015-02-20
RU2011119536A (ru) 2012-12-20
US20140321323A1 (en) 2014-10-30
EP2347547A4 (en) 2012-07-25
BRPI0921878A2 (pt) 2015-12-29
CA2742735A1 (en) 2010-05-20
US8811388B2 (en) 2014-08-19
EP2347547A2 (en) 2011-07-27
US20140286195A1 (en) 2014-09-25

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