100天阅读计划 Introduction Motivation SwitchPointer Overview

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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