Next Generation Network Complementing The Internet For Converged

Next Generation Network “Complementing The Internet For Converged Service” Sameer Padhye Vice President, Worldwide Service Provider Marketing ITU-T Workshop on NGN July 9 -10, 2003 Session Number Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 1

Agenda • PSTN & Internet trends & characteristics • Why this conversation now ? • NGN – all IP vision • Emerging NGN Service Trends Business, Consumer • Building the NGN Architecture, Access, Edge, Transport, Core, Provisioning, Reliability, Security • Transitions in SP Networks Current, Emerging, Future • Interworking with legacy networks • Importance of Open Standards Interfaces • Summary Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 2

Today’s Carrier Networks Telecommunications • Connection Oriented • Centralized intelligence and control • HW Fault tolerance • Deterministic • Services integrated with network, limited value-add • Low Latency • Tightly coupled • Mature Security Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. Data Communications • Connectionless Oriented • Distributed intelligence and control • SW Fault tolerance • Non-Deterministic • Decouple services and network, High Service Flexibility • High Latency • Loosely coupled • Security evolving 3

PSTN And Internet Key Characteristics are Complementary Strength Weakness Presentation_ID PSTN Internet Reliability Service Richness Deterministic Flexibility Secure Open Service Richness Reliability Flexibility Deterministic Open Secure © 2001, Cisco Systems, Inc. All rights reserved. 4

Trends in New Service Deployment Business Consumer Business Trends • Consumers want business like services • Ubiquitous Communication Services(Any Access/Transport) • New Differentiated value-added services would evolve with the deployment of broadband, high quality, secure services • End-to-End Service Enablement will be delivered thru packet intelligence • Customer “Self-Management” of network and Services using “WEB Technology” Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 5

Why this conversation now. . ? • Old business models being questioned due to success of internet • SP NGNs to adopt IP based internet models except try to make them better • Call control understandings for IP like SIP, MPLS make it ready to carry voice and multimedia traffic • SPs need to rework their business models and start growing profitably again • Economies expected to become better and SP capex expected to increase; SPs on verge of making network infrastructure investment decisions • Credible equipment providers now being tested on new metrics of staying power Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 6

Characteristics of the Ideal Network Fusing the Best Properties of Today’s Networks onto a Common Lowest Cost Infrastructure Ubiquity/Reliability of the PSTN Mobility of the GSM Network Perfection Bandwidth of an Optical Network Presentation_ID Latency Control of an ATM Network © 2001, Cisco Systems, Inc. All rights reserved. Security of Financial Funds Transfers Flexibility of the Internet Operational Ease of Ethernet 7

The Next Generation Network - Fusing The Best Properties of Today’s Networks Mobility of the GSM Network Security of a Private Network Content Richness of Cable/Television Ubiquity/Reliability of the PSTN Next Generation Network Flexibility of the Internet Bandwidth of an Optical Network Latency Control of an ATM Network Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. Operational Ease of Ethernet 8

Next Generation Network Delivering Converged Services Enterprise Small Business Consumer Packet-based NGN VPNs Transport Voice & Video Presentation_ID Content Internet © 2001, Cisco Systems, Inc. All rights reserved. Mobility 9

Emerging NGN - Enabling Business to leverage the Internet Content Distribution Hosting Storage Cable/ DSL PSTN Remote Access Regional HQ VM Teleworker Service Provider NGN Corporate Metro Ethernet Managed Internet Gateway Managed Security (IDS, Firewall) Hosted IPT Telephony Regional Secure Internet Gateway Telecommuter Access MPLS VPN Managed IP Telephony Branch 1 Presentation_ID Branch 2 © 2001, Cisco Systems, Inc. All rights reserved. Branch 3 10

Emerging NGN – Transforming Consumer Service Bundle Services for the connected Home VPN Security Vo. IP Gaming Home Gateway HSD Net. PVR Digital Music Video & x. Vo. D End-to-End Intelligent Network Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 11

The ‘Next Generation Network’ Architectural Concept OSS Application Signalling & Control Switching & Routing Transport Service Rich Platform-Access agnostic Common Packet-based Modular architecture Multiservice/Multimedia convergence over IP End-to-end packet intelligence Broadband Capabilities Open standards based platform Interworking with legacy Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 12

Emerging NGN And The Internet Service Convergence on IP Residential , So. Ho , Small Pros , SME , Enterprises End Users Content Services and Applications Multimedia Vo. IP Hosting e. Commerce e. Learning PSTN VPN-Aware Networks Intranet A NGN SP Infrastructure Multiservice IP (or Multiservice ATM Transport) Extranet Internet Mobile IP-VPN’s Frame Relay ATM Multiservice MPLS-Enabled IP Network IP is ubiquitous access service platform Delivering services independently of access and core media to all type of end-users (Residential, Soho, SMB, Enterprise) Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 13

NGN - Packet Building Blocks Applications and Content Application Aware Network Services Integrated OSS Standards based Signaling and Control Full-service Efficient Intelligent Multi-service Customer Access and Service Core Element Aggregation Edge Packet Intelligence Packet-aware Transport SP Strategy 0603 Presentation_ID Tej Kohli © 2003, 2001, Cisco Systems, Inc. All rights reserved. 14

NGN Consumer Access Multiple Broadband Access Options Live Content Video on Demand DTV Tuner Eth. Cable 802. 11 b/g Router Ethernet Set-top Box Residential Gateway Second Line Vo. IP Broadband Access Ethernet Games Console DSL Fiber Home Security Home Shopping PDA Notebook Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 15

NGN Business Access Emergence of Metro Ethernet 256 Kb Fast Ethernet Regional Headquarter Service Provider Metro Ethernet Network User-Network Interface (UNI) T 1 Remote Office 1 Frame Relay-Connected Branches 256 Kb I/W Device Remote Office 2 10 Mbps Ethernet • A new access for the NGN is Metro Ethernet-Connected Branch Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. Remote Office 3 16

NGN Edge – Access Independent Services PC Cable AAA Directory ADSL Internet Leased Line WAP Dial PDA Content Services Gateway GGSN/PDSN Corporate VPN Notebook Presentation_ID 802. 11 b © 2001, Cisco Systems, Inc. All rights reserved. Open Garden 17

NGN Transport - Adding Packet. Awareness for Internet/data traffic Point-to-point Point-to-multi-point Shared Ring Internet, Long haul handoff and/or Regional Net SONET/SDH Ring Enterprise A Enterprise B SONET/SDH Ring Enterprise A Ethernet and IP switching and Qo. S Integrated Ethernet switching and IP routing VLAN support (802. 1 Q and Qin. Q) Diff-serv Qo. S implementation SONET/SDH Ring Enterprise C Enterprise B Enterprise C Efficient Ethernet transport over SONET/SDH LEX, PPP/BCP and Cisco HDLC encapsulation GFP encapsulation HO-VCAT and LO-VCAT with LCAS Efficient Ethernet transport over DWDM Gig. E transport over DWDM 10 Gig. E transport over DWDM 7740_03_2003_c 1 Presentation_ID © 2003, 2001, Cisco Systems, Inc. All rights reserved. 18

NGN Core - Evolving Internet to Multiservice IP Core Converged Core Future Multiple Interworked Networks Today Frame-Relay Ethernet ATM Ethernet RPR Metro • • • ATM DSL MPLS TDM Internet RPR WAN Connection oriented End-to-end provisioning Scalability issues Capex intensive Not Opex efficient Presentation_ID CAPEX/OPEX Consolidated Multiservice NGN Core © 2001, Cisco Systems, Inc. All rights reserved. • • • IP/Packet-based Multiservice IP/MPLS aware end-to-end Simplified provisioning Highly scalab. Ie Capex and OPEX efficient 19

Building The NGN Core Enhance Switching / Routing performance and system availability PSTN Core Network L 2 Architecture - Evolve core to support L 2 trunking over IP/ MPLS - use L 2 provider provisioned VPN V MPLS Ethernet IP ATM IP/MPLS NGN Core IP / MPLS Frame Relay MPLS Evolve SP Edge to support L 3+ IP / MPLS and L 2 services Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. ATM Core Network L 3 Architecture - IP as the service convergence layer - Distributed IP architecture - Transport voice over IP 20

NGN SSG Mobility– Bringing Control & Dynamic Policy Capabilities Billing • Flat-Rate • Post-paid • Pre-paid • By Service • By Application Broadband Access Methods PPPo. A PPPo. E Wireless LAN Mobile Wireless SSG Services • VPN • SLA • Voice • Video • Games • etc SSG Internet Identity Presentation_ID • Key to ownership • Application to Network • Authentication • Single Sign On • Device Identity © 2001, Cisco Systems, Inc. All rights reserved. User Control • Login • Self provisioning • Content • Bandwidth • Qo. S 21

NGN – Building an Internet OSS Web-based Management & provisioning Customer Portal Assurance Fulfillment Order Handling Sales Problem Resolution 4 Billing Invoicing and Rating Service Quality Mediation Aggregation Customer Care Service Creation Service Inventory Service Provisioning Service Product Development and Maintenance Network Planning Element Network Maintenance Management Provisioning Restoration Network Monitoring Network and Systems Management 2 Programmable Network Layer 1 Network Devices ISV Cisco + ISV © 2001, Cisco © 2002, Systems, Cisco Systems, Inc. All rights Inc. All reserved. rights reserved. Workflow, GUI and APIs Identity and Security Inventory and Topology Event Mgmt IP Mgmt DNS, DHCP Addressing CIA Programmable and Physical Network Layers Presentation_ID Programmable Network Infrastructure Perf/SLA Reporting Common 3 Services Intelligent Agents Cisco 22

NGN – Building an Internet OSS Today, Most SPs Vertically Integrated Customer Relationship Mgmt Service Mgmt Resource Mgmt Supplier/Partner Mgmt Databases of Record Customer … Service Resource Little/no horizontal process flow No end-to-end customer service view Highly integrated vertical process flow Organizational “silos” Telemanagement Forum Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 23

NGN – Building an Internet OSS Introduce Modularity, Increase Customer Centricity Customer Relationship Mgmt Service Mgmt Resource Mgmt Supplier/Partner Mgmt Databases of Record Customer … OSS supporting future NGN • • • Service Resource OSS supporting legacy platforms Consolidate service mgmt layer Introduce service modularity, reusability Re-structure service DBo. R Provide end-to-end service view Evolve customer-centric service ops Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 24

NGN – Building an Internet OSS Migrate Legacy Customers to NGN Services Customer Relationship Mgmt Service Mgmt Resource Mgmt Supplier/Partner Mgmt Databases of Record Customer … Service Resource Systematic migration of customers to NGN services platform Up-sell value-added services after migration Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 25

NGN – Making Internet Reliable Enterprise Backbone • Multicast Sub-Second Convergence Enterprise Premise Edge Service Provider Aggregation Edge Service Provider Core • Gateway Load Balancing Protocol • Nonstop Forwarding with Stateful Switchover • MPLS Fast Reroute - Node Protection • Stateful NAT • Stateful IPsec Routing Protocol Convergence Enhancements Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 26

NGN – Making the Business-class Internet Four Dimensions of Resiliency Resilient Routing • • Continuous packet forwarding Network fault isolation Fast network convergence Fast convergence for Multicast paths Resilient IP Services • First hop resiliency with load sharing • Stateful address translation • Stateful recovery of security VPN sessions Resilient MPLS Resilient Link Layer • Connection state backup and uninterrupted WAN connectivity • ATM • Frame Relay • PPP/MLPPP • HDLC • Ethernet Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. • Fast rerouting of traffic for link, node or path failures • Bandwidth allocation and protection services 27

NGN – Delivering Integrated Security Secure OS • Memory Secure Routing • File Systems • Protocols Security Technologies • • • Rate Limiting • etc. Crypto PKI IDS FW Network Infrastructure Security Manageability Technologies • Ease of Use • Configuration/provisioning • Auditing • Image Distribution • etc. Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. Access Control • Quality of Service • Classification • Access Control Lists • AAA • Passwords • WLAN: 802. 1 x, LEAP, SIMM 28

NGN Attributes Summary Service Richness & Deterministic Reliable & Secure Consumer SP Multiservice Edge Enterprise SMB Access Technologies • DSL • Cable • PL • Ethernet • Wireless Presentation_ID Edge Attributes • Scalability • Feature Richness • Customer control • Service Selection • Interworking • High & low speed aggr Transport Attributes • Packet-awareness • Efficient Ethernet support © 2001, Cisco Systems, Inc. All rights reserved. SP Core Transport Core Attributes • Multiservice • Smooth Scalability • Capacity & Infrastructure • Quality of Service • Security & Protection • Investment Protection 29

Current SP Networks PSTN TDM NCP Class 5 Switch DSS 1 Mobile ISUP Signaling Class 4 CAS Class 4 Switches Data Network • Separate networks for voice, data • Circuit switched network for voice • Voice network still revenue/profit producing • Mobile network fastest growing! Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. IP H. 323 ATM DSS 2 PNNI FR Q. 922 30

Emerging Technologies Service Provider Networks PSTN TDM Class 5 Switch Mobile ISUP Signaling DSS 1 ATM/IP CAS Class 4 Switches • Technology available to modernize TDM network – BICC; allows Packetization/Modernization of TDM networks • Combined wireless and wire line traffic growing • Transport Independent Signaling mechanisms defined, BICC, SIP • Many Service Providers still prefer ATM transport Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. Data Network ATM IP Q. 2931 PNNI SIP FR 31

Future SP Networks Mobile Signaling Network MGC BICC/SIP-T ATM /IP EO PSTN TO MG • Convergence of voice and data networks • Transport independent signaling mechanisms • BICC is important technology in wireless and TDM network • Backbone transport packetized • Many Service Providers still have ATM transport Presentation_ID H. 248 TO ATM or IP Network Edge Node © 2001, Cisco Systems, Inc. All rights reserved. PSTN EO MG Network Edge Node 32

Insertion of IP Infrastructure PSTN TDM BICC SIP-T IP BICC Signaling? SIP Based Mobile Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 33

Vo. IP/Vo. ATM/PSTN Interworking Strategy IP ATM Interworking MGC SIP-T MGC BICC Interworking MG Vo. IP SIP Router MG H. 248 MG DSS 1 (e. g. ) MG ISUP Signaling Media Gateway Control Bearer Connection PSTN Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. • Products providing inter-working between IP, ATM networks and PSTN are mandatory. • Cisco is very active in facilitating PSTN/SIP/BICC inter-working in ITU. 34

Adoption of BICC In Mobile Networks SGSN UTRA N 3 G Radio Call Agent GGSN MGC MG Packet Switched Domain IUCS MSC Server Base Station ATM/IP BICC SS 7 GMSC Server H. 248 3 GPP: 3 rd Gen. Partnership MSC Project Bearer UTRAN: UMTS Terrestrial Radio MG Access Network GERAN: GSM Edge Radio Access Network MSC: Mobile Services Switching Center GMSC: Gateway Mobile Services Switching Center SGSN: Serving GPRS Support Node GGSN Gateway GPRS Support Node IUCS: Interface between UTRAN and MSC Presentation_ID BICC © 2001, Cisco Systems, Inc. All rights reserved. Mobile MGC H. 248 ATM/IP H. 248 PSTN ATM/IP GMSC Bearer MG Circuit Switched Domain MG Will Adoption of BICC in UMTS Lead to BICC Deployments in Fixed TDM Networks? 35

Focus on Standards • By focusing on ITU and other global stds, Cisco is emphasizing Carrier Class on all it’s products • By focusing on meeting ITU and other global standards Recommendations on Performance, Reliability, Availability Cisco is addressing carrier class requirements Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 36

Future Commitment • Cisco fully committed to open stds interfaces for intercarrier & multi-vendor interoperability • Putting optimum resources behind participating in IETF, IEEE, ITU-T and various Forums • Helping in driving towards consistency across divergent standards activities • Encouraging strong stds focus on products Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 37

Summary • SP Next Generation Networks must become a more reliable and deliver Business-class internet • Inter-working between SP NGN networks with the PSTN and the Internet are mandatory • Interconnections between carriers for IP based services are becoming important • New investment, business model environments require rethinking past paradigms • Network version of Moore’s Law mandates clear understanding of NGN and where equipment investments will be made Presentation_ID © 2001, Cisco Systems, Inc. All rights reserved. 38

CPN Ops Symp_030316 © 2003, Cisco Systems, Inc. All rights reserved. 39