推动网络基础设施创新：Sonic路由工作组的关键进展.pdf

1、SONiC Routing Working Group Eddie Ruan,Alibaba Patrice Brissette,CiscoFocus Areas and Weekly Discussions Routing infra related Enhancements and SRv6 related features.VxLAN Multi-homing Route download optimization Adaptive Routing and Switching SONiC-FRR maintenance Any routing/forwarding related top

2、icsPhoenix Wing Initiative Short Term Goals:Verify the deployment readiness of SRv6 solutions via using the SONiC 202411 release on participated hardware devices Long term goals:Promote more SONiC based SRv6 deployments,complete the testing tool set for the SRv6 solutionsAdd SRv6 into SONiC interop

3、lab.Provide SONiC SRv6 standardized test cases,set expected test results for SRv6 solutions.Offer verfied SRv6 solution deployment scenario cases.Launched on 05/25/2024 in Beijing,China PRs from Phoenix Wing InitiativeOpened 53 PRs in 9 areas,in both FRR and SONiC from 6 different organizations,incl

4、uding college students.Merged 46 PRs1 PR got merged first,then backed out in FRR.Problems Solved via Phoenix WingPain Points SolutionsBGP Loading TimeMulti DBRing BufferConvergence TimePrefix Independent ConvergenceNext Hop Group SRv6 VPNSRv6 VPN FRR,fpm,swss,frrcfdgSRv6 PolicySRv6 PolicyFRR,fpm,sws

5、s,frrcfgdSBFDBFD offloadOrchagent Inefficient Retry Event-based RetryDebated Commit in FRRCode RepositoriesWhats NextFinish RIB/FIB in SONiCEnable SRv6 VPN in 202605Enable 7 nodes SRv6 test cases in PR sanity via chip emulation based vSONiC instances.Verified by Community PartnersVxLAN MH ConceptBD

6、accessL2SVI(w/IP)VRFL3SVI(no IP)BD coreL2VNIL3VNIL3 routingRT-2(IP),RT-5Subnet-StretchRT-2(MAC)BD accessL2SVI(w/IP)VRFL3SVI(no IP)BD coreHostinterfaceinterfaceRT-1(MW)RT-4(ES)RT-2(ARP/ND sync)TORTORVxLAN MH Content VXLAN encapsulation VXLAN decapsulation IPv6 and IPv4 VTEP suppor