LuoShen: A Hyper-Converged Programmable Gateway for Multi-Tenant Multi-Service Edge...
Talkat 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24) · 2024-04-16..04-18·
summary
LuoShen consolidates a full VPC network into a 2U server-switch with a P4-centric pipeline, using pipeline folding and meticulous on-chip resource budgeting to pack overlay and underlay functions together. Control-plane reachability runs over BGP peering between components and isolated config channels to avoid contention. The deployed system hits 1.2 Tbps (a folded-pipeline tradeoff versus a 3.2 Tbps dual-pipeline option), and reduces upfront cost, deployment size, and power by ~75%, ~87%, and ~60% while running in hundreds of edge sites.
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chapters (9)
- 0:00LuoShen and edge cloud challenges
- 2:48Edge cloud gateway deployment
- 4:15LuoShen’s network design
- 6:22Converging gateway functions
- 9:14Control plane and isolation
- 10:38BGP peering for high availability
- 11:00Performance evaluation
- 12:05Comparison with traditional gateways
- 12:48Summary and future work
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