Integration Aspects of Mobile Internet StrategiesStipe Tolj, Chief Systems Architect, Kannel Software Foundation

Introduction: Some fast facts

Introduction to Stipe Tolj

• Systems Architect• Master Degree in Information Management, Computer Science and

Economics University of Cologne, Germany

• CSO at Wapme Systems AG 1996-2006• Scaling a three person start-up to IPO at TecDAX stock exchange in

four years with a market cap of 80 Mio. Euros

• Open Source Evangelist 1993-present-and-always-will-be• Apache HTTP server since apache-1.2b6

• PHP since php/fi-2.x

• MySQL since mysql-3.21

• Kannel since 1.1.x

• Based in Düsseldorf, NRW, Germany

Introduction to Kannel

• Kannel: Open Source WAP and SMS Gateway • Officially founded in June 1999 by Wapit Ltd., Helsinki, Finland

• Original Architect: Lars Wirzenius room mate of Linus Torvalds

• World’s first certified WAP 1.1 gateway by The Open Group

• World’s most used SMS gateway est. 800-1000 commercial deployments

• Approximately 2000 subscribers to all mailing lists

• Extremely fast, reliable and modular pure C with pthreads

• SMS gateway parts• abstract SMSC protocols to a “known” transport protocol

• SMPP 3.4, UCP/EMI 4.0/3.5, CIMD 1.37/2.0, OIS 5.0, SM/ASI, GSM modems, HTTP APIs HTTP/1.1

• WAP gateway parts• WAP 1.2.1 stack implementation WDP, WTP, WSP, WML

• Push Proxy Gateway (PPG) i.e. used for MMS notification or SI

Telecom goes Open Source

• The industry participants start to realize that the “open standards” model is the way to go• Learning from the past evolution of IP based protocols (IETF, W3C)

• Numerous standardizing bodies evolve WAP Forum, OMA, OHA

• Again: openness is not “pushing” a standard, it is consensus

• Is Android a successor of the Symbian model, or a competitor?

• Operators: Giving up control does not mean defeat• Open systems raise innovation and usage of the network

• Internet Innovators force the Telecom business to adopt the “openness model” Google lobbying the FCC• Open applications, open devices, open services, open networks

Mobile Internet

• Understand what the Mobile Internet is• It is not a second-dimension system beside the landline Internet

• It’s a subset of it the “overall Internet”

• It’s a network segment, demanding the same services, delivering to the same users

• Device capabilities have been driving separation• i.e. WML vs. full featured HTML for content presentation

• Standard bodies are pushing back in order to focus on media convergence

• Result: IMS• IP Multimedia Subsystem 3GPP and OMA open networks?

IP Multimedia Subsystem (IMS)

• Designed to evolve mobile networks beyond GSM• First 3GPP approach was based on GPRS bearer

• Later abstractive approach for additional bearers

• Integration with the Internet using IETF protocols• Session Initiation Protocol (SIP) and way more SIP related protocols

• Diameter, RADIUS, HTTP Digest for AAA

• Real-time Transport Protocol (RTP)

• ENUM

• Again: it’s a subsystem• Integration to the overall Internet system is achieved widely by using

existing known protocols gluing horizontally and vertically

IP Multimedia Subsystem (IMS) (2)

• IMS Architecture Overview

Integration Aspects

• While openness increases vertically layer/stack APIs• Semantically separation of data and signaling gets more relevant

• A lot more signaling takes place then pure data transmits

• State control and state awareness

• User context while being mobile• Users have different contexts

• Presence IMPS (XMPP) vs. SIMPLE

• Location Based Services who owns the location information?

Status Quo vs. Scenario X

• Mobile Internet market revenues are below potentials• Technical obstacles and concern network capabilities

• Inadequate marketing and packaging of services

• Potential Mobile Internet Market Revenue• Source: Yankee Group, 2007

Last (famous) Words

• Telecom industry has to understand that the Mobile Internet has to be as openly accessible as the World Wide Web is.

• Keeping focused on the integration aspects and preserving openness to the overall system ensures growth.

“Openness in the Mobile Internet means enlarging the pie.”

Tim Berners-Lee (W3C)

An eComm 2008 presentation –

http://eCommMedia.com for more