1. Brice Copy, Mirjam Labrenz
Broadcast framework
Brice Copy, Mirjam Labrenz
Broadcast framework

2. Overview
Objectives
Evaluate emerging technological options for web broadcasting
Deliver a proof of concept, to deliver data streams in an optimal way to every device like smartphones, tablets and Pc’s

3. Architecture diagram

4. Agent and Client broadcast interactions

5. Agents first there are the agents (at the moment Dip and OPCDA)
the agents register the List of Publications and transform the given data into a JSON format

6. REST with REST we forward the message to the webserver
REST is an architectural style which is based on web-standards and the HTTP- protocol
it uses the HTTP standard methods (GET, PUT, POST, DELETE)
the resources are identify by a unique ID (URI)
it can use different representations like text, XML, JSON, binary data

7. Atmosphere framework
on the other side the Atmosphere framework broadcasts all the messages
it is a Java/Javascript framework which allows the creation of portable asynchronous applications
it ships with a JavaScript component supporting all modern browsers
it discovers the best communication channel between the client and the server
we can use the WebSocket protocol or HTTP protocol
the Server side is written in Java
the Client side is written in Javascript

8. Web client presentation
we also used the
jQuery mobile makes the application accessible to all devices like iPhone, Android, Windows-phones and PC‘s
for the graphic representation of the data we integrated Highcharts
this is an open source for interactive charts

9. Demo Mobile client demonstration URL : http://cern.ch/... + QRCode
Activity measure with Splunk + JMX
Setup diagram