ZeroMQA Whole Bunch of

Awesome[C# Edition]

Ashic Mahtab@ashic

http://www.heartysoft.com ashic@heartysoft.com

About me• Do tech stuff. Play about with distributed, scalable systems.

Messaging. DDD. CQRS. Event Sourcing. • Mainly .NET. Like F#, Haskell, Erlang, CSP, maybe even Scala…Ooh

look…shiny!!• ASP.NET MVP since 2009, moderator of asp.net

• Oh yeah, and ZeroMQ. • London ZeroMQ User Group [ZeroMQLondon]• Lifelong student…(Where does this learning s@$£ end!!)

Code: https://github.com/ashic/0MQOredev2013

Messaging

Message Queues

ZeroMQ

Contexts - Sockets

Show Me Ze Codez

Client - Server• Single Server – Multi Client• Synchronous Server (blech!)• Messages get “queued”

Client Server1. Request

2. Response

Pub - Sub• Topic Based Pub Sub• Binary prefix based subscriptions• Typical pub-sub problems apply

To Ze Cloudzzzz• Use Push Pull• Source enqueues tasks• Workers work• Results are collected in Drain

Source

Worker

Drain

WorkerWorker

Multi Server, Multi Client• What it says on the tin

Client Client Client

Worker Worker

Broker

Benefits

Drawbacks

Questions?

Thank You.