Leveraging IP/MPLS to develop a deterministic all-IP ... IPMPLS to Develop a...
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Leveraging IP/MPLS to develop a deterministic all-IP telecom network that fully supports tele-protection services Bram De Valck Critical Infrastructure Networks | Nokia on behalf of DELTA Andries de Ruiter [email protected] SGTech 2017, Amsterdam
Transcript of Leveraging IP/MPLS to develop a deterministic all-IP ... IPMPLS to Develop a...
LeveragingIP/MPLStodevelopadeterministicall-IPtelecomnetwork
thatfullysupportstele-protectionservices
BramDeValckCriticalInfrastructure Networks|Nokia
onbehalf [email protected]
SGTech 2017,Amsterdam
CURR
ENTSITU
ATION
NEW
SITUA
TION
RegionalgasandelectricitygridoperatorfortheprovinceofZeeland(Netherlands)
215.244xelectricitysubscribers
192.607xgassubscribers
1:1replacementknowledge,experiencelimitedmigrationeffort
betterTotalCostofOwnershiplegacy+newapplicationsupportexperiencewithSROS@DeltaintegrationinDelta’sexistingNMS(NSP)product’slifetimefutureprooftechnologytrustfulrelationship(consultancy,training,materialtovalidate…)closepresenceofNokiaknowledgecenter(Antwerp)
RFQin2012 technicalvalidation newnetworkendofservice
SDHwhat
technology?
SDH IP/MPLS
+30x substations
150kV,50kV
+60x IP/MPLSrouters
+30xNokia7705SAR-8+20xNokia7705SAR-185xNokia7705SAR-A4xNokia7705SAR-Hc
1+1 MPLSNMSplatform
All1GE,fibre links
other7705SARIP/MPLSnetworks
VoicebandLeased Lines101SCADARTU,E-RTUand 10kVsignaling
CorporateLANPowerQuality measurements
104SCADARTUVideosurveillance
Primary multiplexersISDN-30connections
2MBLeased LinesconnectionsTradeboard
ICCP
Telephony (wired /DECT)Hotlines
Teleprotectioncircuitswith multimode interfaces
2-4wireE&Mwith/withoutsignaling
10/100/1000BASEEthernet
E1
FXS/FXO
C37.94
Applicationsinthe Enduris network
Borssele150kVsubstation2xControlandSwitchModule(hot-standby)
2x8-port2xGE+6xFElinecard:1xeastwards,1xwestwards
2x6-portE&Mlinecard
6-portFXSlinecard16-portE1linecard
Middelburg150kVsubstation
2xControlandSwitchModule(hot-standby)
2x8-port2xGE+6xFElinecard:1xeastwards,1xwestwards
2x6-portE&Mlinecard
6-portFXSlinecard
16-portE1linecard2x2-portC37.94,G703codir,FXS,FXOlinecard
Deploymentofanewcurrent differential teleprotectioncircuit?
DARKFIBRE
+ • Insensitivetoexternaldisturbances
• Verycostlyintermsoffibre usage
• Redundancyisonlyavailableiftwointerfacesareavailableontherelay,usinganotherdedicatedfibre
• Incasenoredundantfibre isavailable,anoutagecanlasthours(fieldengineersputinaction)
• CanbeconnectedtoIP/MPLSorSDH
• 7705SAR-8hasasignificantbetterE1portdensitythanC37.94currently
• Convertorboxisnotcheap• Convertorissinglepointof
failure• Convertorisunmanaged• Convertorisseparatelypowered• Inefficientbandwidthutilisation
• End-to-endIP/MPLSservicedelivery
• Fullend-to-endvisibilityinNSP(NMSplatform)
• Efficientbandwidthutilization• IP/MPLSofferingmultiple
protection/backupoptions• Sufficientreference
deploymentswithindustrypeers
• C37.94interfacedensityvsE1
E1CONVERTORBOX
IP/MPLSSDH
C37.94NATIVELYCONNECTEDTOIP/MPLS
IP/MPLS
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+
_
+
_
TPR TPR TPR TPR
TPR TPR TPR TPR
4xMiddelburg150kV– Ritthem Sterkpunt differentialprotectioncircuit
primaryLSP(stricthop)secondaryLSP(stricthop,standby)
TPR SiemensSIPROTEC7SD82
C37.94
TPR TPR TPR TPR
TPR TPR TPR TPR
Middelburg150kV– Ritthem Sterkpunt,synchronisation
masterclocksignal
TeleprotectionPseudoWire Walkthrough
SiemensSIPROTEC7SD82
SiemensSIPROTEC7SD82
Nokia7705SAR-8 Nokia7705SAR-8
C37.94:8x64kbps
Ethernet Ethernet
MPLSforwardpath
C37.94data
MPLSpacket
MPLSreversepath
sizeoftheMPLSpayloadisadjustable
C37.94data
MPLSpacket
jitterbuffer
sizeofthejitterbufferisadjustable
C37.94:8x64kbps
Middelburg150kV– Ritthem Sterkpunt differentialprotectioncircuit
SiemensSIPROTEC7SD82
SiemensSIPROTEC7SD82
Nokia7705SAR-18SROS7.0R2
Nokia7705SAR-8SROS7.0R2
C37.94 Ethernet Ethernet C37.94
27x
PRIMARYLSPstricthop,1xhop,28km
SECONDARYLSPstricthop,standby,27xhops,370km
TDMVLL(c-pipe)
Middelburg150kVsubstation
Ritthem SterkpuntEngelandweg
2.5msend-to-endlatency(measuredonrelays)
CESoPSNC37.94channels1-8
MPLSpayloadsize:32bytesjitterbuffersize:2ms
parameters
CESoPSNC37.94channels1-8jitterbuffersize:2ms
MPLSpayloadsize:32bytesparameters
Middelburg150kV– Ritthem Sterkpunt differentialprotectioncircuit
SiemensSIPROTEC7SD82
SiemensSIPROTEC7SD82
C37.94 Ethernet Ethernet C37.94
PRIMARYLSP1xhop,28km
SECONDARYLSP
TDMVLL(c-pipe)
2.5msend-to-endlatency(measuredonrelays)
packetisationdelay:0.5ms
depacketisationdelay:1ms
transportdelay:0.1ms1hopprocessingdelay:0.07ms
relayprocessingdelay:0.350ms
relayprocessingdelay:0.350ms
Middelburg150kV– Ritthem Sterkpunt differentialprotectioncircuitViewfromNSP
Summary
What’snext• Applyanoptimised QoS scheme• Validate“AsymmetricDelayControl”,afeaturetotrackandcorrectlatencyasymmetriesinforwardandreverseMPLSpath
• Assessneedforencryption:NetworkGroupEncryption
• 2.5msend-to-endlatencywellbelow5msmaximumthreshold• C37.94interfacesarestraightforwardtoimplement,
easytoconnect,notsensitivetonoise(fibre opticinterface),
noerrorsobserved• 4xcurrentdifferentialprotectioncircuitsoverEnduris’IP/MPLSnetworkareflawlesslyrunning formorethan6months,concurrentlywithotherutilityapplications
ThankyouQuestions?
