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September 25-26, 2023
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Tuesday, September 26 • 4:40pm - 4:55pm
SLATE: Globally Optimizing Request Routing - Aditya Prerepa & Gangmuk Lim, UIUC

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Optimizing resource provisioning and performance in large, multi-cluster service meshes is difficult. Cluster schedulers/autoscalers assist, but a series of complementary problems lie at finer granularities after the containers have been provisioned: microbursts of requests, resource interference, tail latency in dependent services, high bandwidth cost.
IP networks have long developed techniques of optimizing these traffic flows - an area known as Traffic Engineering. We present an analogue at the Service level - Service-Layer Traffic Engineering (SLATE) - a system that automatically optimizes the flow of requests
in these service meshes. This system globally optimizes request routing, minimizing request latency & bandwidth cost based on administrator intent. We show that using methods like call graph and compute cost prediction, SLATE better reacts to sudden changes in service load, can prioritize certain requests over others through the mesh, and more.

avatar for Aditya Prerepa

Aditya Prerepa

SWE @ Aviatrix & Undergrad @ UIUC, Aviatrix
Aditya is an Engineer @ Aviatrix and an Undergrad & Researcher at UIUC. He is an Istio networking mainatiner.
avatar for Gangmuk Lim

Gangmuk Lim

Phd Student, UIUC
Gangmuk Lim is a second year Ph.D. student in Computer Science at the University of Illinois Urbana-Champaign. Current active projects he is working on are optimizing application layer networking for microservice applications, reliable cluster management system, system for DNN tr... Read More →

Tuesday September 26, 2023 4:40pm - 4:55pm EDT
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