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Carrier-Class Infrastructure A Platform Provider’s Perspective. Mike Twomey Excel Switching Corporation mtwomey@ExcelSwitching.com. Objectives. To provide insight from the platform supplier perspective To share experiences we’ve seen and been a part of regarding this network scenario
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Carrier-Class InfrastructureA Platform Provider’s Perspective Mike Twomey Excel Switching Corporation mtwomey@ExcelSwitching.com
Objectives • To provide insight from the platform supplier perspective • To share experiences we’ve seen and been a part of regarding this network scenario • To help guide developers out of the field and into the lab…There will be no sales if there is no product
Word of the Day • Flexibility - Flex`i`bil´i`ty • the quality of being adaptable or variable; • the ability to change or be changed to fit changed circumstances • the ease with which a system or component can be modified for use in applications or environments other than those for which it was specifically designed
Flexibility…Let me count the ways • Application(s) – Fixed & mobile, voice & signaling • Size – <100 Channels to thousands • Signaling - IP (SIP & H.323) & TDM (SS7/PRI/CAS) • Architecture – IMS, SIP, Service Node • Carrier-class and non-carrier-class – (I know this goes off topic, but as a developer you should be able to provide alternative architectures for an array of customers while minimizing your costs and their costs.)
G’way Tandem Softphone IP Network IP Network T1 SBC PSTN PSTN PSTN Signaling G’way SIP Registration Server SIP App Server Media Server Softswitch Tandem T1 Softphone Excel SBC Deploying VoIP Service Node ACD Tandem Tandem T1 More services…Fewer boxes……Better solution
Deploying VoIP-based Prepaid Application Server Gateway Media Server • Multiple Vendor…Interoperability • Difficult to add new services • High CapEx and OpEx • Perceived QOS
Simplifying Your Network • More than just a gateway… • Announcements • DTMF • Conferencing • Recording • TDM-TDM + IP-IP Speed time to market and reduce costs by leveraging flexible platform
IP Network PSTN Simplify…simplify…simplify Egress Tandem Soft Phone T1 Open Gateway + Application ATA + Phone SBC Service Provider Benefits 1. Fewer Vendors…Eliminate Interoperability Issues 2. Pay as You Grow – Centralized/Distributed 3. Carrier Grade Reliability 4. Reduced Equipment, Spares & Training Costs Application Provider Benefits 1. Single API +SS7/PRI + SIP/H.323 Support… Easy/Low Cost to Add New Services 2. Reduced ongoing support costs
SGW SS7 PM SMS-C MGCF H.248 MG IMG MRF IP VoiceXML Flexbility Within an Application PSTN SCP/ AS IP Network Service Node SIP IP Network 3G 2G Internet
BSC MSC 2G Mobility Networks Open new markets and reduce costs by leveraging a single flexible services platform Multi-application Flexibility Softswitch / SIP App Server WLAN SIP Client Multi-service Platform SIP Phone SIGTRAN SIP Media Gateway RTP IP VXML Softswitch / SIP Networks IMG 1010 WAG RNC C7 MSC Server (Softswitch) 3G Networks T1/E1 PSTN SS7/C7
IP-enabling TDM-based Service Nodes…TDM-enabling IP-based Service Nodes It’s more than the technology…Own YOUR customer…Get footprint and relationship
Conclusion • For developers, there is no uniform or ideal architecture being adopted across the board by service providers, which therefore requires insight and innovation on your part • Multi-function platforms can offer substantial benefits to service providers but ONLY if they truly meet the needs of the carrier • As an app developer, your primary concern should be defining and exceeding your customer(s) needs while differentiating yourself and minimizing YOUR costs