DK2730059T3 - Oam for openflow drevet af styreenhed - Google Patents

Oam for openflow drevet af styreenhed Download PDF

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Publication number
DK2730059T3
DK2730059T3 DK12743229.2T DK12743229T DK2730059T3 DK 2730059 T3 DK2730059 T3 DK 2730059T3 DK 12743229 T DK12743229 T DK 12743229T DK 2730059 T3 DK2730059 T3 DK 2730059T3
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openflow
oam
packet
module
message
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DK12743229.2T
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Dávid Jocha
András Kern
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Ericsson Telefon Ab L M
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/04—Network management architectures or arrangements
    • H04L41/046—Network management architectures or arrangements comprising network management agents or mobile agents therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/02—Capturing of monitoring data
    • H04L43/026—Capturing of monitoring data using flow identification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/40—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks using virtualisation of network functions or resources, e.g. SDN or NFV entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/04—Processing captured monitoring data, e.g. for logfile generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/06—Generation of reports
    • H04L43/062—Generation of reports related to network traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/20—Arrangements for monitoring or testing data switching networks the monitoring system or the monitored elements being virtualised, abstracted or software-defined entities, e.g. SDN or NFV
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/34—Signalling channels for network management communication
    • H04L41/342—Signalling channels for network management communication between virtual entities, e.g. orchestrators, SDN or NFV entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0823—Errors, e.g. transmission errors
    • H04L43/0829—Packet loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0852—Delays
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Mining & Analysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Claims (14)

  1. OAM FOR OPENFLOW DREVET AF STYREENHED
    1. Fremgangsmåde, der udføres af et netværkselement (201), som implementerer en OpenFlow-styreenhed (901), hvor OpenFlow-styreenheden indbefatter et drifts-, administrations- og styringsmodul (OAM) (903), hvor OAM-modulet skal servicere en OAM-funktionsforespørgsel i et netværk, som implementerer OpenFlow, hvor fremgangsmåden skal forespørge om, at en delmængde af OpenFlow-switches i netværket rapporterer målinger for et OpenFlow-dataflow for at tilvejebringe OAM-modulet med information til udførelse af den forespurgte OAM-funktion, hvilken fremgangsmåde omfatter følgende trin: modtagelse i et OAM-modul i netværkselementet af en forespørgsel om udførelse af OAM-funktionen; generering af en udløser-overvågningsmeddelelse i OAM-modulet, hvilken udløserovervågningsmeddelelse definerer handlinger, der skal udføres af en OpenFlow-switch (907) i delmængden af OpenFlow-switches, hvor handlingerne skal tilvejebringe målingerne for OpenFlow-dataflowet; afsendelse af udløser-overvågningsmeddelelsen til OpenFlow-switchen; modtagelse af en flerhed af overvågningssvarmeddelelser ud fra delmængden af OpenFlow-switches, hvor hver af flerheden af overvågningssvarmeddelelser indbefatter målingerne for OpenFlow-dataflowet; korrelation af flerheden af overvågningssvarmeddelelser med OAM-funktionsforespørgslen; OAM-modulets udførelse af den forespurgte OAM-funktion ved hjælp af målingerne af OpenFlow-dataflowet; og returnering af et resultat af den forespurgte OAM-funktion.
  2. 2. Fremgangsmåde ifølge krav 1, hvor generering af udløser-overvågningsmeddelelsen endvidere omfatter følgende trin: definition af en OAM-pakke, der skal sammenlægges af OpenFlow-switchen (907) med OpenFlow-dataflowet.
  3. 3. Fremgangsmåde ifølge krav 1, hvor generering af udløser-overvågningsmeddelelsen endvidere omfatter følgende trin: definition af handlinger for en flowtabel eller gruppetabel i et OpenFlow-switchmodul i OpenFlow-switchen (907).
  4. 4. Fremgangsmåde ifølge krav 1, hvor generering af udløser-overvågningsmeddelelsen endvidere omfatter følgende trin: definition af de målinger, der skal rapporteres af et protokolmiddel (909) i OpenFlow-switchen (907).
  5. 5. Fremgangsmåde ifølge krav 1, hvori korrelation af flerheden af overvågningssvarmeddelelser med OAM-funktionsforespørgslen endvidere omfatter følgende trin: matching af overvågningssvarmeddelelseme med den forespurgte OAM-funktion ved hjælp af OAM-datapakken i overvågningssvarmeddelelserne.
  6. 6. Fremgangsmåde, der udføres af et netværkselement (201), som implementerer en OpenFlow-switch (907), hvilken OpenFlow-switch indbefatter et protokolmiddel (909) og et OpenFlow-switch-modul, hvor OpenFlow-switchen skal rapportere målinger for et OpenFlow-dataflow til en OpenFlow-styreenhed (901), hvor målingerne skal understøtte operations-, administrations- og styringsfunktionaliteten (OAM) for OpenFlow-styreenheden, hvor OpenFlow-switchen fremsender en OAM-pakke med OpenFlow-dataflowet og indsamler målingerne for OpenFlow-dataflowet, hvilken fremgangsmåde omfatter følgende trin: OpenFlow-switchens modtagelse af en udløser-overvågningsmeddelelse fra OpenFlow-styreenheden; protokolmidlets generering af en OAM-pakke, hvilken OAM-pakke defineres af udløserovervågningsmeddelelsen; fremsendelse af OAM-pakken gennem OpenFlow-switch-modulet for at sammenlægge OAM-pakken med OpenFlow-dataflowet; detektering af OAM-pakken i OpenFlow-switch-modulet; protokolmidlets generering af en overvågningssvarmeddelelse som svar på detekteringen af OAM- pakken; indsamling af målingerne fra OpenFlow-switch-modulet til OpenFlow-dataflowet og OAM- datapakken; og afsendelse af overvågningssvarmeddelelsen med målingerne til OpenFlow-styreenheden.
  7. 7. Fremgangsmåde ifølge krav 6, som endvidere omfatter: tilføjelse af en handling til en flowtabel eller gruppetabel i OpenFlow-switch-modulet, der defineres af udløser-overvågningsmeddelelsen.
  8. 8. Fremgangsmåde ifølge krav 6, som endvidere omfatter: protokolmidlets (909) indsættelse af OAM-pakken i overvågningssvarmeddelelsen.
  9. 9. Fremgangsmåde ifølge krav 6, hvor indsamling af målingerne endvidere omfatter følgende trin: aflæsning af en tæller af en flowtabelpost eller en tæller af gruppetabelpost; og aflæsning af et tidsstempel for en udførelse af flowtabelposten eller gruppetabelposten.
  10. 10. Netværkselement (201), der implementerer en OpenFlow-styreenhed (901), hvilken OpenFlow-styreenhed skal servicere en OAM-fhnktionsforespørgsel i et netværk, der implementerer OpenFlow, hvor OpenFlow-styreenheden skal forespørge om, at en delmængde af OpenFlow-switches (907) i netværket rapporterer målinger for et OpenFlow-dataflow for at tilvejebringe information til udførelse af den forespurgte OAM-funktion, hvor netværkselementet omfatter: OpenFlow-styreenheden, som indbefatter et drifts-, administrations- og styringsmodul (OAM) (903) og et meddelelseskorrelationsmodul (905), meddelelseskorrelationsmodulet, som er kommunikativt tilkoblet OAM-modulet, hvor meddelelseskorrelationsmodulet er konfigureret til at modtage en flerhed af overvågningssvarmeddelelser ud fra delmængden af OpenFlow-switches, hvor hver af flerheden af overvågningssvarmeddelelser indbefatter målingerne for OpenFlow-dataflowet, hvor meddelelseskorrelationsmodulet er konfigureret til at korrelere flerheden af overvågningssvarmeddelelser med OAM-funktionsforespørgslen; hvor netværkselementet er kendetegnet ved, at det endvidere omfatter et OAM-modul, der er konfigureret til at behandle OAM-funktionsforespørgslen ved at udføre den OAM-funktion, der er specificeret via OAM-funktionsforespørgslen, og generere en udløser-overvågningsmeddelelse, hvilken udløser-overvågningsmeddelelse definerer handlinger, der skal udføres af en OpenFlow-switch i delmængden af OpenFlow-switches, hvor handlingerne skal tilvejebringe målingerne for OpenFlow-dataflowet, hvor OAM-modulet er konfigureret til at sende udløser-overvågningsmeddelelsen til OpenFlow-switchen for at udføre den forespurgte OAM-funktion ved hjælp af målingerne af OpenFlow-dataflowet, der tilvejebringes af meddelelseskorrelationsmodulet, samt at returnere et resultat af den forespurgte OAM-funktion.
  11. 11. Netværkselement (201) ifølge krav 10, hvor OAM-modulet (903) endvidere er konfigureret til at definere en OAM-pakke, der skal fremsendes af OpenFlow-switchen (907) med OpenFlow-dataflowet.
  12. 12. Netværkselement (201) ifølge krav 10, hvor OAM-modulet (903) endvidere er konfigureret til at definere handlinger til en flowtabel eller gruppetabel i et OpenFlow-switchmodul i OpenFlow-switchen (907).
  13. 13. Netværkselement (201) ifølge krav 10, hvor OAM-modulet (903) endvidere er konfigureret til at definere de målinger, der skal rapporteres af protokolmidlet (909) i OpenFlow-switchen (907).
  14. 14. Netværkselement (201) ifølge krav 10, hvor OAM-modulet (903) endvidere er konfigureret til at matche overvågningssvarmeddelelseme med den forespurgte OAM-funktion ved hjælp af OAM-datapakken i overvågningssvarmeddelelseme.
DK12743229.2T 2011-07-08 2012-07-04 Oam for openflow drevet af styreenhed DK2730059T3 (da)

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US201161505617P 2011-07-08 2011-07-08
US13/279,018 US8964563B2 (en) 2011-07-08 2011-10-21 Controller driven OAM for OpenFlow
PCT/IB2012/053389 WO2013008134A2 (en) 2011-07-08 2012-07-04 Controller driven oam for openflow

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KR (1) KR101911579B1 (da)
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