Application-Level Service Assurance with 5G RAN Slicing
Talkat 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24) · 2024-04-16..04-18·
summary
Zipper provides app-level 5G RAN guarantees by casting slice bandwidth allocation as a model predictive controller that iteratively invokes slice MACs and uses monotonicity of throughput/latency to prune the search. It uses per-slice DNNs to predict bandwidth distributions for admission control, tolerates ~2 dB channel prediction error, and runs on a production-class 5G virtual RAN testbed. Implementation supports up to 200 apps and 70+ slices on 100 MHz and cuts tail SLA violations by 9×.
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chapters (11)
- 0:005G RAN slicing basics
- 2:23Focus on radio access network
- 3:47Scheduling approach limits
- 5:52Zipper system architecture
- 7:16App-level assurance challenges
- 9:20Bandwidth optimizer design
- 12:11Admission control and resources
- 13:34Production testbed implementation
- 14:55Experimental evaluation
- 16:40Admission control results
- 17:00Summary and future
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