developing voice applications in the cloud

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Developing Voice Applications In the Cloud

Dan YorkDirector of Emerging Communication TechnologyVoxeo Corporationwww.voxeo.comdyork@voxeo.com

September 18, 2008

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What is "Cloud Computing"?

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Cloud computing is the ability to run your applications on a

providers' computing platform out in the network cloud.

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Why the Cloud?

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Scalability

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SLA

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ROI

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Minimizes Risk

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Business Continuity

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Deployment Speed

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Ease of Experimentation

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Why NOT the Cloud?

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Security

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IT Control

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Platform is a fixed cost

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Having it Both Ways: Hybrid

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Overflow

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Disaster Recovery

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So how does this work?

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Web Browser Diagram

WebBrowser

WebSvr

HTTP

HTML

AppSvr?

PHPperl python

Java???

ruby

XMLXML

servlets

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Web Browser Diagram - Thin Client

WebBrowser(on svr)

WebSvr

HTTP

HTML

AppSvr?

PHPperl python

Java???

ruby

XMLXML

servlets

ThinClient Protocol

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Voice Browser Diagram

VoiceBrowser(on svr)

WebSvr

HTTP

XML

AppSvr?

PHPperl python

Java???

ruby

XMLXML

servlets

Phone Audio

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Voice Application Diagram

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

PHPperl python

Java???

ruby

XMLXML

servlets

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An Alternate View

PSTNGateway IP-PBX

AppSvr

PSTN Audio

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Voice Application Diagram

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

PHPperl python

Java???

ruby

XMLXML

servlets

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Location - Single network/server

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

PHPperl python

Java???

ruby

XMLXML

servlets

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Location - Distributed

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

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Location - Distributed

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

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Location - Distributed/Cloud

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

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Location - Distributed/Cloud

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

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Location - Distributed/Cloud

PSTNGateway IP-PBX

HTTP

AppSvr?Phone Audio

SIP

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Location - Hybrid

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?

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LAN

Internet / WAN

PSTN

Another View

ApplicationPlatform

IP-PBX

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LAN

Internet / WAN

PSTN

All the Way Into The Cloud

Hosted“IP-PBX”

Firewall

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What Kind of Cloud?

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Server-in-the-cloud (ex. EC2)

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

PHPperl python

Java???

ruby

XMLXML

servlets

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Server-in-the-cloud (ex. EC2)

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

PHPperl python

Java???

ruby

XMLXML

servlets

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Server-in-the-cloud (ex. EC2)

VoiceBrowser(on svr)

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

PHPperl python

Java???

ruby

XMLXML

servlets

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Application-in-the-cloud (Voxeo, GAE)

VoiceApp

WebSvr

HTTP

VoiceXMLor

CCXML

App/DBSvr?Phone Audio

PHPperl python

Java???

ruby

XMLXML

servlets

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Questions to Ask

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Can You Trust The Cloud To Be There?

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How Are You Connected?

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Scalability?

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SLA?

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Security?

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Geographic/Physical Redundancy?

http://flickr.com/photos/txd/100437832

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Proprietary = Lock-In

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Open

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Standards Matter

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VoiceXML

SIP

CCXML

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API Support?

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Firewall Traversal?

Internet LAN

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Open

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Thank you!

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Dan Yorkdyork@voxeo.com

blogs.voxeo.comwww.voxeo.com/freeevolution.voxeo.com

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