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Monday, July 11 • 09:40 - 10:20
Doorman: Global Distributed Client Side Rate Limiting

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Doorman is a Google developed system for global distributed client side rate limiting. We are in the process of open sourcing it. With Doorman an arbitrary number of globally distributed clients can coordinate their usage of a shared resource so that the global usage does not exceed global capacity.

This presentation:
  • Describes the fundamentals of the Doorman system
  • Explains the concepts of the RPC protocol between Doorman components
  • Shows code examples of Doorman configurations and clients
  • Shows graphs of how Doorman clients ask for and get capacity, and how this sums up globally
  • Explains how Doorman deals with spikes, clients going away, servers going away
  • Explains Doorman's system reliability features
  • Points to the Doorman open source repository
  • Explains the Doorman simulation (in Python) which can be used to quickly verify Doorman's behaviour in a specific scenario

Speakers
JV

Jos Visser

Jos Visser has been working in the field of reliable and highly available systems since 1988. Starting as a systems programmer (MVS) at a bank, Jos's 25 year career has seen him working with a variety of mission critical systems technologies, including Stratus fault-tolerant systems... Read More →


Monday July 11, 2016 09:40 - 10:20
Lansdowne+Pembroke

Attendees (102)