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Data Networking, VPNs, and the Integration of Voice and Video

Data Networking, VPNs, and the Integration of Voice and Video. OVERVIEW. Who is Norlight? Data networking via private and virtual private networks Streaming Video technology The future of data/video/audio over various networking technologies Questions. JCI CORPORATE OVERVIEW.

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Data Networking, VPNs, and the Integration of Voice and Video

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  1. Data Networking, VPNs, and the Integration of Voice and Video

  2. OVERVIEW • Who is Norlight? • Data networking via private and virtual private networks • Streaming Video technology • The future of data/video/audio over various networking technologies • Questions

  3. JCI CORPORATE OVERVIEW • Norlight is a wholly owned subsidiary of Journal Communications, Inc. (JCI) • JCI is America’s oldest employee-owned corporation, employing over 6,000 people • JCI operations are located throughout the United States and in France • Annual revenues are in excess of $600 million • JCI is a growing diversified communications and media company with seven operating entities

  4. JCI CORPORATE OVERVIEW • Norlight Telecommunications Inc. is a full-service telecommunications provider focused on the carrier and business telecommunications markets. • Journal Broadcast Group Inc.owns and operates television and radio stations across the United States. • Journal Sentinel Inc.publishes the Milwaukee Journal Sentinel. • IPC Communication Services specializes in the production and distribution of materials and services for the computer industry, and printing of association publications. • Add Inc.publishes targeted niche products, shoppers, and weekly newspapers, and operates printing plants across nine states. • NorthStar Print Group Inc. manufactures a variety of high-quality printed products. • PrimeNet Marketing Services provides a variety of direct marketing services.

  5. HISTORY OF NORLIGHT • Norlight has been providing innovative telecommunications services since 1972 • The largest Midwest Regional Network: Fiber Optic, Digital Microwave and Satellite uplink facilities • Norlight serves three markets: Carrier, Satellite & Video, and Commercial Services

  6. LINES OF BUSINESS Satellite & Video Business Group Full service Teleport, offering satellite transmission to broadcast, entertainment and sports industries, educational institutions, and businesses Wholesale Business Group Traditional and non-traditional carrier services, engineering and technical services Commercial Business Group Frame Relay, Internet, Private Line Switched & Dedicated Long Distance

  7. Commercial Services Commercial Services • Private Line • Voice • Data • Video • Entities served: • Businesses • Local Governments • Educational Institutions

  8. Commercial Services NETWORK CONSIDERATIONS • Frame Relay/ATM • High Speed Internet Access

  9. CARRIER SERVICES NETWORK CONSIDERATIONS • Dedicated, point-to-point private lines • Wide regional distribution • Highly reliable network • Customized solutions

  10. NETWORK CONSTRUCTION

  11. NETWORK INFRASTRUCTURE • Redundant fiber optic routes • Separate fiber entrance into any POP • Uninteruptable power systems • Fire suppression system • SONET based technology • Digital crossconnect equipment System/Network quality considerations

  12. NETWORK MANAGEMENT • Redundant alarm and control systems • Secure facilities • Access limited to authorized company personnel • Environmentally secure location

  13. TELECOMMUNICATIONS TRENDS • Consolidation among carriers • Emerging technologies • Increasing demand for bandwidth

  14. THE CHANGING FACE OF TELECOMMUNICATIONS LOCAL TELCO TELECOM’S ONE STOP SHOP LONG DISTANCE COMPANY INTERNET PROVIDER DATA PROVIDER

  15. EMERGING TECHNOLOGIES • Next Generation Network Design • Packet network • Asynchronous Transfer Mode (ATM) - based networks • Internet Protocol (IP) - based networks • Internet Telephony Service EXISTING TECHNOLOGY MESSAGE DEAD MESSAGE DEAD MESSAGE NEW TECHNOLOGY PACKET A PACKET B PACKET A PACKET C PACKET A

  16. THE CHANGING FACE OF TELECOMMUNICATIONS Courtesy: Cisco

  17. What is a VPN? “Customer connectivity deployed ona shared infrastructure withthe same policies as a private network”

  18. What is a VPN? Traditional Network POP POP POP POP Remote Office Corporate Office “Home” Office Business Partner

  19. What is a VPN?

  20. The Evolution of VPNs • According to the Gartner Group by 2003 100% of enterprises will supplement their WAN infrastructures with VPNs • Evolution • VPNs: Originally private voice networks • Traditional Model: leased lines to connect routers • Secure, reliable, expensive • PVCs on Frame Relay/ATM • Fourth Generation: IP Based

  21. Service Provider Internet, IP, FR, ATM Shared Network VPN VPN Types of VPNs • Access VPN • Enterprise remote access • Intranet VPN • Branch offices • Extranet VPN • Business-to-business

  22. Intranet VPN Service • Frame Relay/ATM Virtual Circuits Public Frame/Cell Network

  23. Remote Access VPN Service

  24. Intranet VPN Service

  25. Extranet VPN Service

  26. Hybrid VPN Service

  27. Factors for Success (failure) • Security • Performance • Availability

  28. Security and VPNs • Encryption • Authentication • Firewalls

  29. Performance of VPNs • Bandwidth • Delay/jitter • Frame loss/error rates • Quality of Service • Security vs. Performance issues • Performance guarantees

  30. Availability of VPNs • CPE • Dial-back-up • Alternative WAN access • Cost factors

  31. Streaming Video over VPNs • Video files have been too large and unwieldy to run in real time over small internet pipes or even over most corporate networks (Intranets) • Not ready for prime time?

  32. Streaming Video over VPNs • Availability of bandwidth • Backbone bandwidth • OC48 -> OC192 ->??? • Access bandwidth • v.90 -> ISDN -> DSL ->??? • Advances in technology • Moore’s Law

  33. Streaming Video Products • CVideoNow • Microsoft NetShow • Real(Video) • StreamWorks • TrueStream • VDOLive • VivoActive • Vosaic MediaSuite

  34. Streaming Video Technology • Wavelet • MPEG... • H.263... • G.723… • ??????

  35. Quality vs. Bandwidth vs. Horsepower • Low end • 8 kbps • 2 fps • 176 x 144 pixels (1/12 VGA) • High end (today!) • 300 kbps • 30 fps • 320 x 240 pixel (1/2 VGA)

  36. Hardware and Software • Server • High-end “PC” -> Sun Ultra Sparc • Lots of RAM and DISK Space • Solaris, NT, AIX, UNIX... • Encoder • Interface card $250 -> • Player • $20 ->

  37. Convergence! TelephoneNetworks CableNetworks Internet Public VoiceInfrastructure 1876–Today Public VideoInfrastructure 1948–Today Public DataInfrastructure 1969–Today

  38. NORLIGHT TELECOMMUNICATIONS Thank You Questions?

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