Network Slice Selection Function on M-CORDeNodeB NSSF vHSS vMME vSPGWCvSPGWC vSPGWC vSPGWCvSPGWC...
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Network Slice Selection Function on M-CORD JAVIER JOSE DIAZ RIVERA DEPARTMENT OF COMPUTER ENGINEERING JEJU NATIONAL UNIVERSITY
Transcript of Network Slice Selection Function on M-CORDeNodeB NSSF vHSS vMME vSPGWCvSPGWC vSPGWC vSPGWCvSPGWC...
Network Slice Selection Function on M-CORD
JAVIER JOSE D IAZ R IVERA
DEPARTMENT OF COMPUTER ENGINEERING
JE JU NATIONAL UNIVERS ITY
Contents Introduction◦ NetworkSlicing◦ 5GArchitecture
SystemOverview◦ ComponentDescription
ScenarioDescription
TestandResults
Introduction
Source:EuropeanCommission-FutureConnectivitySystems
NetworkSlicing OneofthemultiplebenefitsthatNFVbringsintothetableisenablingNetworkSlicingbyallowingaphysicalinfrastructuretobeseparatedintomultiplevirtualnetworksthatcansupportmultipleservices
Source:Ericsson
DN
3GPPTS23.501–5GArchitecture
UE RAN UPF
AMF SMF PCF AF
NSSF AUSF UDM
5GArchitecture
SystemOverviewCORDPlatform(M-CORD)
SetofopensourceVNF
OAI-EPC
XOS
OpenStack ONOS
OAI-SIM
UE
UE
UE eNodeB
NSSFvHSS
vMME
vSPGWCvSPGWCvSPGWC
vSPGWCvSPGWCvSPGWU
s1-net
slice-net
s11-net
s6-net
spgw-net
GTP-TUN
eNB NSSF EPC
Synchronizer
ComponentsDescription EPCandeNodeBVNFareOpen-AirInterfaceprojects.DevelopedbyEurecom.
S1-U
UE-eNB
vBBU
OAISIM
S1
OpenAirInterfaceeNodeB
vMME
vHSS
vSPGWC vSPWGU
INTERN
ET
DataPlaneS6
S11 S5
OpenAirInterfaceCoreNetwork
ScenarioDescription
MMENSSF
SliceDB
SliceRequestMessage
id UE SL-DIFF
SliceTableID SPGW
SPGWTable
ServiceId Services
SERVICESTable
SliceSelection
SliceRequestMessageisaRPCthatincludestheUEIMSIAndreturnsanSPGW-IDasaString
NSSFINSTANCE
TestandResults
UE-eNB S1 vMME
vHSS
vSPGWC
vSPGWC
vSPWGU
vSPWGU
INTERN
ET
S6
S11
S5
S5
NSSF
GTPTunnel
WEBSLICE
VIDEOSLICE
GTPTunnel
OAISIM
TestandResultsXOSviewofServices
• OAISM:RepresentstheeNodeB/UE• NSSF:RepresentstheNetworkSlice• SelectionFunction• VMME,VHSS,VSPGWCandVSPGWU
arealsorepresentedbytheirownservices
TheservicesthatarenotconnectedarepartofMCORDdeployment
TestandResults
VNFInstancesinOpenStack
TestsandResultsTheNSSFVNFisalwayslisteningtovMMErequestsandprovidessomeinformationaboutthecurrentsliceseverytimeaconnectionisestablished.
WhenaUEconnectseachoftheirIMSIisstoredalongwiththeslicethatisserving.ServicedifferentiationisdonebytakingthelastdigitoftheIMSI
IperfTestsTheemulatedeNodeBiscausingabottleneckfortheE2Econnection
RunningdirectlyfromtheEPC
TestandResults Youtubevideoofthewholescenario:◦ https://youtu.be/xFIybs-Y5G8
References 3GPPTS23.501V15.0.0TechnicalSpecificationGroupServicesandSystemAspects;SystemArchitectureforthe5GSystem;Release15,Dec2017.
Mobile-CentralOfficeRearchitectedasaDatacenter(M-CORD)v4.1,[online],Available:https://guide.opencord.org/cord-4.1/(Retrieved,October22,2018)
Open-AirInterfaceProject,[online],Available:https://gitlab.eurecom.fr/oai/openairinterface5g/wikis/home(Retrieved,October22,2018)
Open-AirInterfaceSystemEmulation,[online],Available:https://gitlab.eurecom.fr/oai/openairinterface5g/wikis/OpenAirLTEEmulation(Retrieved,October22,2018)
SpecialThankstoWei-YuChen:NationalChiaoTungUniversity
MCORDoai-scenariohttps://github.com/aweimeow/oai_scenario
Thank you
