Information Super Highway ผศ. ดร. อนันต์ ผลเพิ่ม Asst.Prof.Dr.Anan Phonphoem Department of Computer Engineering Faculty of Engineering Kasetsart University

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


Transmission media

Guided media Twisted pair Coax Fiber

Unguided media Radio Microwave Satellite


Electromagnetic Spectrum

Power,Voice

Radio communicationRadio, microwave, satellite

InfraredLight

Ultra-VioletLight

X, gamma,Cosmic rays

Visible light430-750 THz

0 3000 Hz 300 GHz


Twisted Pair Cable

100 Hz 5 MHz

Outer Insulator(PVC)

Solid Copper Conductors


Unshielded Twisted Pair Cable

Plastic Cover Twisted pairs(5 pairs)


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



6 (draft) 200 MHz 200 Mbps Digital LANs

7 (draft) 600 MHz 600 Mbps Digital LANs


UTP Connector

RJ : Registered JackRJ-11 : Telephone Jack


Shielded Twisted-Pair Cable

Plastic Cover CopperInsulationMetal Shield


Coaxial cable

100 KHz 500 MHz

Insulator

Plastic Cover Outer Conductor(Shield)

Inner Conductor


Coaxial cable connector

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


Optical Fiber

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


Refraction

From less dense to more dense medium

From more dense to less dense medium


Critical Angle


Reflection


Fiber Optic Cable

Multimode Step-Index Graded-Index

Single mode


Multimode Step-Index


Multimode Graded-Index


Single Mode


Fiber Cable

Outer Jacket Buffer(moisture protection)

Fiber(Core and Cladding)


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)


Connection problems

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


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


Transmission media

Guided media Twisted pair Coax Fiber

Unguided media Radio Microwave Satellite


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


Agenda





Digital Signal (DS) Hierarchy

T-1=DS1

T-2=DS2

T-3=DS3

T-4=DS4


T-1 line for multiplexing telephone lines


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


E Lines

ITU-T Standard Europe and also Thailand


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


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


Agenda







Uninet

University Network Design goals

Reliability

(avoid single point of failure)

Scalability Manageability


Uninet 2539

15 Academic Institutes


Uninet 2543

Install Internet Gateway

39 Academic Institutes (24 New)


Uninet 2545

68 New Academic Institutes (29 New)


Uninet 2547

System Center (Control Center) MUA

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


Uninet 2543 (Bangkok Area)


Uninet 2544 (Bangkok Area)


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)


ThaiSarn Network


Agenda





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.”


Abilene Status


Abilene Map


Abilene Map


Map Notation


Abilene IPv6 Deployment


Agenda





Internet Information Research Center


Internet Users in Thailand

Survey


Thailand Domestic Internet Growth


Thailand International Bandwidth


Domain .TH


Summary





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

Documents

Information Super Highway ผศ. ดร. อนันต์ ผลเพิ่ม Asst.Prof.Dr.Anan Phonphoem Department of Computer Engineering Faculty of Engineering Kasetsart University