© 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential.

Satya Deep Maheshwari | Computer Scientist | Adobe Systems Robust Collaboration Services with OSGi

© 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential.

About the speaker

Currently working as a Computer Scientist in Adobe for the past 5 and a half years

Works for Adobe Connect a web conferencing solution from Adobe

Prior work experience with Oracle, TCS

Holds 1 patent “Patent Grant number: 8131641” . Another patent pending approval.

Involved in the adoption of OSGi framework in Adobe Connect and other Adobe products.

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© 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential.

Adobe Connect – Brief Introduction

Quoting from adobe.com

Adobe® Connect™ is a web conferencing platform for web meetings, eLearning, and webinars. It powers mission critical web conferencing solutions end-to-end, on virtually any device, and enables organizations from leading corporations to the U.S. Department of Defence to fundamentally improve productivity

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Mission criticality of web conferencing solutions

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Divide the risk – Avoid single point of failure

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A webinar in progress …

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Something goes wrong or there’s a maintenance…

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Monolithic architecture

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Something goes wrong or there’s a maintenance…

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A software in not set in stone

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© 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential.

OSGi Advantage

Ease of plugging in/out services

Update configurations on the fly

Reduced complexity because of inherently modular design

Ability to specify version dependencies

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On

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Robust audio conferencing support using OSGi

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Telephony Service Architecture

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RTMP – Real Time Messaging Protocol RPC – Remote Procedure Call FMS – Flash Media Sever CPMC – Connect Pro Meeting Client

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Non OSGi (Monolithic) deployment

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A3

A4 A2

A1

Bridge 4

Bridge 1

Bridge 2

Bridge 3

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OSGi based deployment

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A3

A4 A2

A1

Bridge 4

Bridge 1

Bridge 2

Bridge 3

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High Level Class Diagram

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<<interface>> TelephonyAdaptor

<<class>> TelephonyAdaptorImpl

<<class>> TelephonyAdaptorImpl

<<class>> TelephonyAdaptorImpl

<<class>> TelephonyManagerImpl

<<interface>> TelephonyManager

ReferenceCardinality OPTIONAL_MULTIPLE

© 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential.

Asynchronous workflows

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Telephony Service

CSP Web Service

Endpoint

Adaptor

Start Conference

Start Conference

Acknowledge

Callback

Conference Started

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Using OSGi event admin service for async workflows

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Callback Servlet Event Admin

Service

Event Handler (Topic 3)

Event Handler (Topic 2)

Event Handler (Topic 1)

Meeting Room 1 Meeting Room 1 Meeting Room 1

External Callback Post async event

Handle Event by topic

Send event via RTMP connection

Send event via RTMP connection

Send event via RTMP connection

© 2013 Adobe Systems Incorporated. All Rights Reserved. Adobe Confidential.

OSGi based Connect Application Server - in concept

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Persistence Service

Event Registration

Meeting Scheduling

Training management

Background Services

Web Interface

OSGi Container

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