N2000Tomas Stephanson Copyright 2000 Case Study Bågen Tomas Stephanson [email protected] .

n2000 Tomas StephansonCopyright 2000

Case StudyBågen

Tomas [email protected]

322060 2008427

http://www.connectthings.com


A A

In the Beginning


Complications


Solution


100 Years Later

•Control•Signalling


Unified Networking TheoryOne Standard to solve all ProblemsAll Services run in One Network

•Early 1980’s ISDN•For all Services up to 128Kbit/s

•Early 1990’s B-ISDN•For all Services up to 2Mbit/s

•Early 2000’s Fiber to the Home•For all Services up to 155Mbit/s


Video On Demand• Time-Warner FSN 1994

• 4000 Subscribers 1994

• 500.000 Subscribers 1996

• 750.000 Subscribers 1998

• The Service was

• Video-on-Demand

• Interactive Shopping

• Interactive Gaming

• Interactive Program Service

• US Postal Service


Revolution Many Revolutionaries

Hypertext1965

Ted Nelson

A Small Revolutionary1971

Intel 4004

World Wide Web1989

Tim Bernads Lee

Internet1964

Paul Baran


The Internet Model


ISP A

Radius

ATM

ISP B

Radius

Internet

IPSDH

IPSDH

ADSL Access

Central Office

IPPPP

L2TPIP

ATMSDH

IPPPP

PPTPIP

EthernetATMADSL

IPPPP

PPTPATMADSL


TCP/UDP

IP

ATM

SDH

Fiber

Ethernet

IP closer to the media

Fiber

TCP/UDP

IP

Ethernet


Ethernet

10 Mbit100 Mbit

1.000 Mbit10.000 Mbit


Network Technology

–Expensive–Slow–One Vendor

Routers

Routed IP

+Cheap+Fast+Simple

Level 3Switching

Switched IP

–Expensive–Complicated+Fast–Not IP-Optimised

ATM

Circut Switched IP

DTM


XR

XR

XR

XR

XR

XR

XR

XR


Different type of Access EquipmentHead EndLocal Premises

Modem 33-56KbitCopper World Wide 10/100/155Mbit

xDSL 1-8MbitCopper Max 4000m10/100/155Mbit

Cable Modem

10-30MbitShared

Coax/Fiber Max City10/100/155Mbit

Ethernet 10/100/1000Mbit 10/100/1000Mbit

UTP5 Max 100m Fiber


A Vision

Modem

IP-Plug


The Condominium Bågen

• 261 Apartments• Take rate of 44-60%• 190$ Entrance fee• 25$ Flat Monthly fee


In The Apartment


In The Basement


Node at Telecom Office


Peering With the University


Fiber to the Bookshelf


Simple WDM system


DWDM System


Ethernet ADSL Access


Radio LAN Link


Broadband “Done That”

•The Technology: Simple

•The Architecture: Simple

•The Business Model: Difficult

•The Implementation: Simple

•The Cost: Low

•The Service: Internet


Mr Fleece

HH


Buisness Model


What is Broadband

Narrowband

Broadband


It is not Broadband that is Expensive

It is the

Services


Security

• It is the Information that has to be Protected

• Not The Network

• Example: 1988 ”The Internet Worm” Philip Morris Jr


Check List

• Real IP-addresses (Permanent) - Very Good

• Real Dynamic (DHCP) - Good

• Private IP-adresses (NAT) - Bad

• Who owns the Residential Network (for how long)

• How much bandwidth to the Internet

• How many operators in the building

N2000Tomas Stephanson Copyright 2000 Case Study Bågen Tomas Stephanson [email protected] .

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Transcript of N2000Tomas Stephanson Copyright 2000 Case Study Bågen Tomas Stephanson [email protected] .