Zeta: A Scalable and Robust East-West Communication Framework in Large-Scale Clouds
Talkat 19th USENIX Symposium on Networked Systems Design and Implementation (NSDI '22) · 2022-04-04..04-06·
summary
Zeta builds a gateway cluster layer with XDP/eBPF-based gateways and a multi‑IP migration trick that reassigns virtual IPs instead of rewriting switch rules. Implemented on XDP and evaluated with up to 100k containers (45 KVM gateways on three servers testbed), it keeps forwarding near 1.7M pps while doing flow detection, cuts 99% RTT by 5.1× on burst video, and speeds gateway recovery about 10.8× versus state of the art.
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chapters (13)
- 0:00Intro
- 0:47Cloud Network Virtualization
- 1:55Challenges
- 2:26Existing Communication Models
- 4:50Zeta Overview
- 7:06Gateway Cluster: XDP-Based Forwarding
- 7:36Gateway Cluster: Fast Recovery with Multi IPs
- 9:12Management Layer: Cluster Mapping
- 9:57Experimental Setting
- 11:01Microbenchmark: Benefit of Doing Detection on Gateway
- 11:34Microbenchmark: Overhead
- 12:48Evaluation: Load Balancing
- 13:16Evaluation: Fast Recovery
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