information super highway ผศ. ดร. อนันต์ ผลเพิ่ม asst.prof.dr.anan...

Information Super Highway

ผศ.ดร.อนั�นัต์ ผลเพิ่��มAsst.Prof.Dr.Anan Phonphoem

Department of Computer EngineeringFaculty of EngineeringKasetsart University

October 13, 2004

โรงเร�ยนัเสนัาธิ�การทหาร

CPE Kasetsart University 2

Agenda

Technology background Transmission media Multiplexing

Thai Information Super Highway Uninet Thaisarn

Abilene (Internet2) Thailand Internet Information

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Transmission media

Guided media Twisted pair Coax Fiber

Unguided media Radio Microwave Satellite

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Electromagnetic Spectrum

Power,Voice

Radio communicationRadio, microwave, satellite

InfraredLight

Ultra-VioletLight

X, gamma,Cosmic rays

Visible light430-750 THz

0 3000 Hz 300 GHz

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Twisted Pair Cable

100 Hz 5 MHz

Outer Insulator(PVC)

Solid Copper Conductors

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Unshielded Twisted Pair Cable

Plastic Cover Twisted pairs(5 pairs)

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UTP cable standard

Category Bandwidth Data Rate Digital/Analog Use

1 very low < 100 kbps Analog Telephone

2 < 2 MHz 2 Mbps Analog/digital T-1 lines

3 16 MHz 10 Mbps Digital LANs

4 20 MHz 20 Mbps Digital LANs

5 100 MHz 100 Mbps Digital LANs

6 (draft) 200 MHz 200 Mbps Digital LANs

7 (draft) 600 MHz 600 Mbps Digital LANs

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UTP Connector

RJ : Registered JackRJ-11 : Telephone Jack

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Shielded Twisted-Pair Cable

Plastic Cover CopperInsulationMetal Shield

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Coaxial cable

100 KHz 500 MHz

Insulator

Plastic Cover Outer Conductor(Shield)

Inner Conductor

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Coaxial cable connector

Barrel Connectors Bayonet network connector (BNC) T-connector Terminator

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Optical Fiber

Nature of light In vacuum, 3x108 m/s Higher density, slower speed Refraction Reflection

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Refraction

From less dense to more dense medium

From more dense to less dense medium

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Critical Angle

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Reflection

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Fiber Optic Cable

Multimode Step-Index Graded-Index

Single mode

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Multimode Step-Index

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Multimode Graded-Index

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Single Mode

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Fiber Cable

Outer Jacket Buffer(moisture protection)

Fiber(Core and Cladding)

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Light source

Sending device called “light source” Receiving device called “photosensitive cell”

(photodiode) Light source

Light-emitting diode (LED) Cheap but unfocused Short distance

Injection Laser diode (ILD) Expensive but focused Preserve the signal (long distance)

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Connection problems

http://www.lanshack.com/fiber-optic-tutorial-termination.asp

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Fiber Optic Connectors

ST (multimode)

FC (single mode)

SC (single mode)

Opti-Jack (pair of ST)http://www.lanshack.com/fiber-optic-tutorial-termination.asp

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Transmission media

Guided media Twisted pair Coax Fiber

Unguided media Radio Microwave Satellite

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Wireless Classification

WAN

WAN-MAN

MAN

Pico-Cell

MAN-LAN

PAN

LAN-PAN

0km~50km ~2km ~10m

Personal Operating Space

Courtesy of IEEE 802.15, Jan. 2001

WPANBluetooth

WLANIEEE802.11HyperLan

WWANGSM/ GPRS /

CDMA

WMANIEEE802.16

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Agenda

Technology background Transmission media Multiplexing

Thai Information Super Highway Uninet Thaisarn

Abilene (Internet2) Thailand Internet Information

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Digital Signal (DS) Hierarchy

T-1=DS1

T-2=DS2

T-3=DS3

T-4=DS4

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T-1 line for multiplexing telephone lines

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T Lines

Service Line Rate (Mbps) Voice Channels

(64 Kbps)

DS-1 T-1 1.544 24

T1C 3.152 48

DS-2 T-2 6.312 96

DS-3 T-3 44.736 672

DS-4 T-4 274.176 4032

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E Lines

ITU-T Standard Europe and also Thailand

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E Lines

Line Rate (Mbps)

Voice Channels

(64 Kbps)

E-1 2.048 30

E-2 8.448 120

E-3 34.368 480

E-4 139.264 1920

E-5 565.148 7680

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OC (Optical Carrier in SONET)

Line Rate (Mbps) Voice Channels

(64 Kbps)

OC-1 51.480 630

OC-3 155.520 1890

OC-12 622.080 7,560

OC-24 1,244.160 15,120

OC-48 2,488.320 30,240

OC-192 9,953.280 120,960

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Agenda

Technology background Transmission media Multiplexing

Thai Information Super Highway Uninet Thaisarn

Abilene (Internet2) Thailand Internet Information

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Uninet

University Network Design goals

Reliability

(avoid single point of failure)

Scalability Manageability

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Uninet 2539

15 Academic Institutes

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Uninet 2543

Install Internet Gateway

39 Academic Institutes (24 New)

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Uninet 2545

68 New Academic Institutes (29 New)

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Uninet 2547

System Center (Control Center) MUA

Gateway (Coordinator center) North, NE (KU) East (KMITL) West, South (KMUTT)

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Uninet 2543 (Bangkok Area)

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Uninet 2544 (Bangkok Area)

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ThaiSarn

Thai Social/Scientific Academic and Research Network

By NECTEC (The National Electronics and Computer Technology Center) in 1992

To promote the use of the Internet in Thailand Now is the 3rd Generation (ThaiSarn3)

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ThaiSarn Network

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Agenda

Technology background Transmission media Multiplexing

Thai Information Super Highway Uninet Thaisarn

Abilene (Internet2) Thailand Internet Information

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Abilene

The Internet2 high-performance backbone network

For Research (Universities & research labs) Named after a railhead established in

Abilene, Kansas during the 1860´s. “The links of last century's railway changed the way

people worked and lived.”

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Abilene Status

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Abilene Map

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Abilene Map

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Map Notation

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Abilene IPv6 Deployment

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Agenda

Technology background Transmission media Multiplexing

Thai Information Super Highway Uninet Thaisarn

Abilene (Internet2) Thailand Internet Information

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Internet Information Research Center

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Internet Users in Thailand

Survey

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Thailand Domestic Internet Growth

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Thailand International Bandwidth

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Domain .TH

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Summary

Technology background Transmission media Multiplexing

Thai Information Super Highway Uninet Thaisarn

Abilene (Internet2) Thailand Internet Information

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References

Transmission mediaData Communications and networks, Forouzan

Uninethttp://www.uni.net.th

Thaisarnhttp://thaisarn.nectec.or.th

Abilenehttp://abilene.internet2.edu

Internet Information Research Center (IIRC)http://iir.ngi.nectec.or.th