VoIP From Concept to Reality. Hossein Eslambolchi President - AT&T Global Networking Technology Services, CTO & CIO

Transcription

1 VoIP From Concept to Reality Hossein Eslambolchi President - AT&T Global ing Technology Services, CTO & CIO March 29, 2004

2 Top Ten Technology Trends Top Ten Technology Trends 1. IP Will Eat Everything! 2. Broadband Will Be Common 3. Wireless Internet Will Be Big Driving Mobility 4. Sensor s Will Be Everywhere 5. Convergence of Communications & Computers Will Become a Reality 6. Death of Locality 7. Security Is Critical 8. NexGen Distributed Computing Is Growing 9. Home LANs Will Proliferate 10. Data Mining Information Mining 2

3 Making History Telephone Invented First Transatlantic Phone Service Transistor The Big Bang Echo Cellular Phone SoIP Services Late 1800 s 1910 s 1920 s 1930 s 1940 s 1950 s 1960 s 1970 s 1980 s 1990 s 2000 s WiFi Standards First Transcontinental Phone Call Speech Synthesis Laser Fiber Optics Communications 3

4 Internet Big Bang Prefix Connectivity * Volume Expansion Galaxy Integration AT&T : Dark Blue End Point Expansion 100, U.S. Traffic TBytes/Month 10, , APPLICATION EXPANSION Mail, Web, Multimedia, Gaming Voice Arpanet 1969 Private 5k k k 160k BGP Table Size MATTER DISTRIBUTION P2P, Grid Computing * AT&T Labs Research, Data Courtesy Lumetqa,, Inc. Expansion, Expansion, Expansion 4

5 Internet Big Bang! Traffic Across AT&T IP Backbone GAMING Web VoIP Music/Video Stores Dial Broadband P2P The Rise of IP Communications Services 5

6 AT&T Business VoIP Opportunity High Migration to IP-VPN Control Channel runs Premises to Industry Trend Unlikely State Current State AT&T Path SDN-like Solutions Implication: Based Intelligence Implication: Premises Based Intelligence Industry Trend Likely End State Unlikely State ETN-like Solutions Low Low Penetration of VoIP on Premises High Follow a Path To Provide Internetworking Value Among SIP Endpoints & Applications 6

7 CONSUMERS IP Enablement CPE PEERS IP/MPLS CORE SoIP Infrastructure SMALL BUSINESS MSA/MSE IP DEVICES ENTERPRISE Packetizing to the Edge of the Enables Unprecedented Flexibility to Our Customers and Partners 7

8 Transformation Access s Frame Edge Frame Relay Core Current Architecture Target Architecture C U S T O M E R C U S T O M E R Voice Frame IP PL ATM Ethernet MSA MSA MSA ATM Edge IP Edge Voice Edge MSE ATM Core Ntwk. IP Core Ntwk. Voice Core Ntwk. App AAN App SoIP IP/MPLS Photonic Mesh Core Target Architecture Partnering our innovation with best-in in-class vendors, AT&T is transforming our network to provide: Lowest Cost Greatest Scale Flexibility in Service Offerings MSA: Multi-Service Access MSE: Multi-Service Edge 8

9 Business Services Consumer Services Transformation End-State: Services Over IP Consumer IP Call Center Bundle Integrated Messaging Software-Defined E-Communications Application Aware SoIP Common Infrastructure Scalable Open Computing Platform Reliable, SIPbased SoIP Multi-Service Access MSE / IP/ MPLS Core Multi-Service Access World s Biggest IP TA Video Data Consumer or SMB Office HQ IP-PBX Corporate Intranet Voice CallVantage SM Supporting Multiple Endpoints, Access Technologies and Application Services 9

10 VoIP Some Key Issues Security E911 Legal Intercept Scalability & Reach Operations & Mgt. 10

11 VoIP Security Objectives Preserve integrity Prevent theft of the VoIP service Prevent fraudulent use of VoIP services Preserve the availability Prevent Denial of Service of the VoIP service Preserve the confidentiality Prevent eavesdropping on signaling and media paths Customer Perception of VoIP Security Should Match That of PSTN 11

12 VOIP Security Architecture Protection Domains OAMP PSTN (SS7 s) Media Server Gateway - BE Call Control Element SB,UPE, NRE, CAC Application Server VoIP Infrastructure Domain OAMP-Security Element IP- Border Element Peer- Border Element Application Security Element VoIP Border Domain CPE-BE CPE-BE CPE CPE CPE Application Server Customer Premise Domain Open Architecture Enabling Best of Breed Plug n n Play Components AT&T Managed Customer Managed BE Border Element CAC Call Admission Control CPE Customer Premise Equipment NRE Routing Engine OAMP Operations, Administration, Maintenance, Provisioning SB Service Broker UPE User Profile Engine 12

13 AT&T Intelligence-Based Service: Internet Protect Leveraging AT&T s Innovation to Meet Customer Needs AT&T Global IP/MPLS Normal Usage Enterprise Customer Business Customer Small Office/ Consumer Normal Status 01:05 PM GMT 24/7 Analysis Customer Portal AT&T Analysts Process Over 7 TB of Information Daily for Security Indicators Internet Protect Provides 24 by 7 Processing, Analysis, and Portal 13

14 AT&T Intelligence-Based Service: Internet Protect Leveraging AT&T s Innovation to Meet Customer Needs AT&T Global IP/MPLS SECURITY BLOCKS Enterprise Customer Business Customer Small Office/ Consumer Early Indicator 06:22 PM GMT Page Notification Forensics Security Indicators Provide Real Time Alerting, Forensics, and Blocking 24 by 7 Monitoring Allows AT&T Clients to Respond Based on Best Data 14

15 AT&T Intelligence-Based Service: Internet Protect Leveraging AT&T s Innovation to Meet Customer Needs AT&T Global IP/MPLS AT&T Customers Protected from Worm Enterprise Customer Business Customer Small Office/ Consumer :47 PM GMT INTERNET WORM HITS!!! AT&T Concept of Cloaking 0 Internet Protect will support a reliable VoIP service AT&T Internet Protect Reinvents Intrusion Detection 15

16 E911 Target Architecture Application Server VoIP Provisioning Platform VPP E911 SRVR CCE Functions UPE NRE SB CAC ALI SIP BE NG BE IP Enabled PSAP IP-PBX Enterprise Cable Access Cable modem CPE-BE (TA/MTA) Metro Access ADSL UNE-L BE (MSA ) + ADSL modem PSTN PSAP AT&T s s Flexible SoIP Architecture will Support Both Legacy PSAPs and Future IP-enabled PSAPs ALI Automatic Location Indicator SB Service Broker NRE Routing Engine BE Border Element CAC Call Admission Control SIP Session Initiation Protocol NG The world s Gateway networking company UPE User Profile SM Engine PSAP Public Safety Answering Point 16

17 Legal Intercept/Surveillance Architecture Application Server MS Integrated NGBE LAES SRVR SIP Border Element CCE Functions UPE SB SIP BE NRE CAC LAES BE Call Info. LAES Activation Billing Platform Billing & Account Management Platform Billing Records IMT Local Access Metro Access UNE-L BE (MSA ) Cable Access media Subpoena IP-PBX + ADSL ADSL modem Cable modem CPE-BE (TA/MTA) LEA Surveillance Subject CCE Call Control Element LAES Lawfully Authorized Electronic Surveillance LEA Law Enforcement Agency MS Media Server 17

18 VoIP Scalability & Scope More Places Global 146 MPLS Nodes 4,800 Remote Access POPs in more than 150 countries 21 Internet Data Centers Domestic 744 POPs 76K Route Miles More Packets AT&T carries around 1.2 petabytes of IP traffic per day over the AT&T network AT&T s s IP traffic is now over 40% greater than LD voice traffic More Reliable All of AT&T s s networks perform between nines of reliability 18

19 AT&T and VoIP OUR COMPANY OUR NETWORK OUR VoIP COMMITMENT NETWORK TRANSFORMATION FEATURE RICH FLEXIBLE ARCHITECTURE UNEQUALLED SECURITY LOWEST COST STRUCTURE GREATEST SCALE COMPLIANCE WITH LAWFUL INTERCEPT & E911 MEETING BUSINESS & CONSUMER NEEDS Operations & Management Will Be Key To Success 19

20 Turning Vision into Reality CUSTOMER REQUIREMENTS TECHNOLOGY INNOVATION BENEFITS Improved Productivity Increased Flexibility Maximized ROI Ensured Continuity & Security Driving Application Aware Fully Integrated & Automated Resulting Improved Customer Experience Lower Costs More Revenue Opportunities Increased Flexibility and Productivity 20

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