SRv6 ：Technology and Deployment Use-Cases-可预期网络论坛（21页）.pdf

1、SRv6 Clarence FilsfilsCisco FellowTechnology and Deployment Use-CasesSimplicity Always PrevailsFurthermore with more scaleand functionality LDPRSVP-TEInter-AS Option A/B/CMPLSUDP/VxLANNSH2SRv6-Reminderjohan2011 123RF.comNetwork ProgramA network program is a list of instructions(128-bit SRv6 SID)An i

2、nstruction can be bound to any behaviorTE/FRR:END,END.XVPN:END.DX,END.DTOften a single instruction is enough and is encoded in DA(without SRH)Network ProgramDA=SID1 SRH=SID2,SID3 1st instruction2nd instruction3rd instruction4SRv6 MicroProgramAny instruction can hold a micro-programUltra-scale and mi

3、nimum MTU overheadHW linerate and widespread adoption:Custom and MerchantFacilitate legacy HW reuse100%leverage of SRH and SRv6 Network ProgramuInstruction1|uInstruction2|uInstructionNDeployments at record-speed100M SRv6 subscribers with 2.5 years of commercial serviceChina is pervasively deploying

4、SRv6100 deployments,10 with PRSoftBankIndosatChina UnicomMTN UgandaIliadChina TelecomChina BankNoiaRakutenBell CanadaCernet2LineMature industry25 HW linerate implementationsCisco Systems,Huawei,Nokia,Juniper,ZTE,Arrcus,KaloomBroadcom,Barefoot,Intel SmartNIC,Marvell,MellanoxSpirent,IxiaMultiple Inter

5、op ReportsOver a dozen open-source platformsLinux,FD.io VPP,P4,iptables,nftables,snort,SERA,ExaBGP,GoBGP,GoBMP,Contiv-VPP,Calico-VPPMature IETFProposed Standard RFC 8402SR ArchitectureRFC 8754 SRv6 DataPlaneRFC 8986SRv6 Network ProgrammingLast steps to Proposed Standard RFCISISBGPBGP-LSRich FCS road

6、mapWe started SR-MPLS in 2012,SRv6 in 2017From an FCS and deployment viewpoint,the core of any SR deployment is at parity SR-MPLS vs SRv6TILFAuLoop AvoidanceFlex-Algo:Low-Cost/Low-Delay SlicingPerfMon:Link Latency(for Low-Delay slice)ODN/AS into Flex-AlgoSeamless Inter-Domain SRv6 with summarizing a