1Presentation_ID © 1999 Multiservice Switching Forum Forum Overview

2Telestrategies 07/14/99 © 1999 Multiservice Switching Forum MSF Membership Founders AT&T Alcatel Ascend Communications BT Bellcore Cisco Systems Fujitsu Network Communications Lucent Technologies MCIWorldCom Nortel Networks Siemens Telecom Italia Telia AB U S WEST Mariner Networks Marconi Mitel Motorola NEC America NetCore Systems Inc. NetInsight NET Newbridge Networks Corporation Nexabit Networks Inc. NTT Oresis SBC Technology Resources Inc. Samsung Telecommunications America Sentient Networks Telefonica Tellabs Trillium Xbind, Inc. 3Com Abrizio Inc. Bell South Telecommunications Bosch Convrgent Communication Services cplane Inc. Data Connections Ltd. ECI Telecom GTE Harris & Jeffries Hitachi Telecom HP IBM LM Ericsson AB Marconi Communications International Service Provider and Equipment Supplier Representation

3Telestrategies 07/14/99 © 1999 Multiservice Switching Forum MSF Charter IP/MPLS Controller Voice/ SS7 Controller ATM/SVC Controller Adaptation Plane Switching Plane Control Plane External Interfaces/ Protocols Applications Plane Standard IN/Signaling APIs, Interfaces, and Protocols Management Plane TDMATMFRVoiceTCP/IPVideo Standard Physical and Logical Interfaces Multiservice Switching Fabric... Develop and promote implementation agreements for Intra- switching system protocols & interfaces which enable an open architecture for multiservice switching systems which support ATM, Frame Relay, IP, Voice and Video services.

4Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Current Network Architecture TDM Overlay Model Discrete network layers Inefficient use of switching and transmission resources Service A Vendor A Service B Vendor B Service C Vendor C TDM-based Transmission Network

5Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Operating System and Processing Platform Operating System and Processing Platform Data- base File Server Server Computing Analogy Switch Adaption Switch Adaption I/O Peripherals and Disk Drives I/O Peripherals and Disk Drives IP Services ATM/FR Services Voice Services MSF Approach Open Multiservice Switching Model Common transmission and switching infrastructure Modular, layered architecture Integration at a module level through open interfaces Multi-vendor model with 3rd party software options

6Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Preserve Existing UNI/NNI Standards V AIN INAP TINA-C STP Inter-carrier Signaling & InteroperabilityITU Intelligent Network ANSI/ETSI/ITU ServiceManagementTeleManagement Forum (TMF) Forum (TMF) DSL Inter-switchRouting ATM Forum IETF Access Technologies ADSL Forum Frame Relay Forum UNI IP Routing and QoS IETF Call Contro l

7Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Initial MSF Activities IP/MPLS Controller Voice/SS7 Controller ATM/SVC Controller Adaptation Plane Switching Plane Control Plane External Interfaces/ Protocols Applications Plane Standard IN/Signaling APIs, Interfaces, and Protocols Management Plane TDMATMFRVoiceTCP/IPVideo Standard Physical and Logical Interfaces Multiservice Switching Fabric... Media GW Control VoIP and VoATM Switch Control Interface Architecture

8Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Functional Reference Architecture Signaling Gateway Function Service Feature Gateway Function Logical Port Function sa p1 Logical Port Control Adaptation Plane Switching Plane Control Plane Application Plane sc ig Switch Partitioning Function Switching Function sc Inter- Media Gateway Control Signaling Switch Control Signaling Service Access Signaling Signaling Transport Signaling Part 2: Port Control Signaling Switch Control Function Bearer Control ic Call Control Function Part 1: Port Control Signaling st p2 Bearer Signaling ia Call Signaling bs MGCF ix mb Call & Bearer Signaling

9Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Architecture Benefits Technology future-proof Allows new control planes Allows new switching fabrics Allows new adaptation plane elements Transparent to end users and services Smooth evolution

10Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Switch Control Interface Switch Switch Divider Switch Divider Management Interface Bearer Control Components Switch Control Interface (SCI) SCI Switch Off-switch Bearer Controllers Bearer Controllers End-to-end subnetwork control e.g PNNI, MPLS Switch Control Interface Multiple bearer controllers Managed resource sharing

11Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Switch Control Interface Benefits Enables multiple bearer control systems to coexist PNNI MPLS ISUP Enables multiple virtual networks to coexist on a single infrastructure Wholesaling of switching/transmission

12Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Media Control Support for Telephony Services on Packet Infrastructure VoATM - AAL1, AAL2, AAL5, SVCs VoIP - UDP, RTP, H.323, Precedence, RSVP, SIP

13Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Media Control Benefits Common adaptation and control infrastructure for VoIP and VoATM MeGaCoP used for both VoATM and VoIP Separate call and bearer control More flexible delivery of voice transport Leverage existing IN model Number translation, etc..

14Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Combined Benefits: Separate Control and Switching Voice Port ATM Port Other Port Switching Complex Processor Complex Signaling & Other Protocols Open Protocol(s) and Interface(s) Augmentations to Management Protocols Adaptation Plane Switching Plane Management Plane Management Plane Controller PNNI Multiservice Switching Fabric Bearer Control Plane Controller MPLS Media Gateway Control Call Control Plane Independent scaling of processing and switching Decoupling of platforms and service/control software Use of industry standard computing platforms

15Telestrategies 07/14/99 © 1999 Multiservice Switching Forum MSF Organization Control Interfaces to Switches Switch Management Functional/Physical Models Specification Release Plan Architecture WG Board of Directors Processes Policies Technical Committee Schedules Meeting Agendas Technical Direction Multimedia Control Model Interfaces to Media Gateways Media Control WG Switch Control WG Other WGs added as required...

16Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Board of Directors Ken Coit, Fujitsu Rick Fehl, US West David Francisco, Siemens Larry Gabuzda, Lucent Technologies Jonathan Homa, Nortel Networks Hack Kim, MCI WorldCom Alexander Latour- Henner, Telia Morgan Littlewood, Cisco Systems Roger Ward, BT Nelu Mihai, AT&T Federico Renon, Telecom Italia

17Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Elected Positions Technical Committee Chairperson David McDysan, MCI WorldCom Technical Committee Vice Chairperson Mark Disbrow, Lucent Technologies President Morgan Littlewood, Cisco Systems Vice-President Ken Coit, Fujitsu Network Communications Treasurer Rick Fehl, US West

18Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Forum Policies and Procedures MSF Bylaws MSF Technical Committee Operating Procedures MSF Intellectual Property Policy MSF Antitrust Guidelines MSF Board of Directors Election Procedures Liaison Approval Policy

19Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Forum Deliverables Nov 17 Press release announcing MSForum: Provisional documents published on web site Stockholm Meeting February/March, 1999 Member Meetings Bylaws, procedures Ballot Implementation Agreements - Architecture - Switch Control - Media Control 11/98 2/995/998/9911/99

20Telestrategies 07/14/99 © 1999 Multiservice Switching Forum Liaisons MSF ATM Forum IETF IEEE P1520 ETSI TYPHON

21Telestrategies 07/14/99 © 1999 Multiservice Switching Forum MSF Industry Benefits Carriers Enables the deployment of multi-vendor switching systems with optimum functionality and performance. Reduces risk by enabling the smooth deployment of new services with minimal impact on the underlying infrastructure. Enables new business models for carrier interaction Vendors Simplifies interaction among vendors Reduces the entry barriers to new customers & markets Leverages existing industry protocols for reduced development costs

22Telestrategies 07/14/99 © 1999 Multiservice Switching Forum MSF Membership Benefits Right to attend meetings and vote Exposure to carrier requirements Exposure to latest multiservice technologies Opportunity to drive requirements Opportunity to influence Implementation Agreements Access to draft documents $15K Annual Membership Dues

23Presentation_ID © 1999, Multiservice Switching Forum