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Distributed Network Monitoring and Debugging with SwitchPointer (NSDI18)
The key contribution of SwitchPointer is to efficientl provide network visibility by using switch memory as a “directory service” each switch, rather than storing the data necessary for monitoring functionalities, stores pointers to end-hosts where relevant telemetry data is stored.
Introduction
Motivation
- Too much traffic
- Too many red lights
- Traffic cascades
SwitchPointer Overview
- SwitchPointer Switches
- embedding the telemetry data into packet header;
- maintaining pointers to end hosts where the telemetry data for packets processed by the switch are stored;
- coordinating with an analyzer for monitoring and de bugging network problems.
- SwitchPointer End-hosts
- SwitchPointer Analyzer
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