The Python Podcast.__init__

The podcast about Python and the people who make it great

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Crossbar.io with Tobias Oberstein and Alexander Gödde


Summary

As our system architectures and the Internet of Things continue to push us towards distributed logic we need a way to route the traffic between those various components. Crossbar.io is the original implementation of the Web Application Messaging Protocol (WAMP) which combines Remote Procedure Calls (RPC) with Publish/Subscribe (PubSub) communication patterns into a single communication layer. In this episode Tobias Oberstein describes the use cases and design patterns that become possible when you have event-based RPC in a high-throughput and low-latency system.

Preface
  • Hello and welcome to Podcast.__init__, the podcast about Python and the people who make it great.
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  • Your host as usual is Tobias Macey and today I’m interviewing Tobias Oberstein and Alexander Gödde about Crossbar.io, a high throughput asynchronous router for the WAMP protocol
Interview
  • Introductions
  • How did you get introduced to Python?
  • What is Crossbar and what is the problem that you were trying to solve when you created it?
  • What is the status of the IETF WAMP protocol proposal?
  • Why have an open protocol – and how do you see the ecosystem?
  • Python isn’t typically considered to be a high-performance language so what led you to use it for building Crossbar?
  • How is Crossbar architected for proxying requests from a highly distributed set of clients with low latency and high throughput?
  • How do you handle authorization between the various clients of the router so that potentially sensitive messages don’t get published to the wrong component?
  • Does Crossbar encapsulate any business logic or is that all pushed to the edges of the system?
  • What are some of the typical kinds of applications that Crossbar is designed for?
  • What are some common design paradigms that would be better suited for a WAMP implementation?
  • What are some of the most interesting or surprising uses of Crossbar that you have seen?
  • What do you have planned for the future of Crossbar?
Keep In Touch
  • Mailing Lists
    • https://groups.google.com/forum/#!forum/autobahnws?utm_source=rss&utm_medium=rss
    • https://groups.google.com/forum/#!forum/wampws?utm_source=rss&utm_medium=rss
    • https://groups.google.com/forum/#!forum/crossbario?utm_source=rss&utm_medium=rss


  • #autobahn on IRC

Picks
  • Tobias
    • Logan


  • Alex

    • Pivotal Tracker


  • Tobias

    • PyPy
    • Brian Warner
    • Click
    • prompt-toolkit


Links
  • Autobahn
  • WAMP
  • PyPy
  • API Gateway

The intro and outro music is from Requiem for a Fish The Freak Fandango Orchestra / CC BY-SA


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 March 18, 2017  52m