BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

BROADBAND ISDN

Presented by

Supreeti Mitra

EI 200157341

Under the guidance of

Mr. G.V. Kiran Kumar

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

INTRODUCTION• ISDN is an acronym, which means Integrated Services Digital Network.

• It is a set of CCITT / ITU standards for digital transmission over ordinary telephone copper wire as well as over other media.

• ISDN is the integration of both analogue or voice data, together with digital data over the same network.

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

N-ISDN ARCHITECTURE

N-ISDN Channels

B Channel- 64 kbps D Channel- 16 or 64

kbps H channel –

H0 = 384 kbps ( 6 B )

H10 = 1472 kbps ( 23 B)

H11 = 1536 kbps ( 24 B)

H12 = 1920 kbps ( 30 B)

Interface Structures

Basic Rate Interface

( 2B+D ) Primary Rate Interface

( 23B+D ) in USA and

( 30B+D ) in Europe

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

N-ISDN CONNECTIONS AND REFERENCE POINTS

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

ISDN CALL PROCEDURE

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

ASYNCRONOUS MODE TRANSFER

Virtual ChannelIdentifier

Header Error DetectionCharacter

UndefinedChannel

Data

ATM CELL HEADER FORMAT

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

B-ISDN CHANNEL RATES

H21 : 32.768 Mbps

H22 : 43 Mbps to 45 Mbps

H4 : 132 Mbps to 138.24 Mbps

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

SIGNALLING

SVC type Directionality SVCs per user interface

Meta signaling

General Broadcast

Selective Broadcast

Point-to-Point

Bi-directional

Unidirectional

Unidirectional

Bi-directional

1

1

Several Possible

1 per signaling endpoint

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

PROTOCOL REFERENCE MODEL

Control Plane

Physical Layer

ATM Layer

ATM Adaptation Layer

Higher Layers Higher Layers

User Plane

Management Plane

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

B-ISDN COMPARED WITH OSI MODEL

CBR VBR ABR UBR Signaling

ATM Adaptation Layer

ATM Layer

Physical Layer

Network Layer

Link Layer

Physical Layer

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

B-ISDN SERVICES

• Interactive ServicesConversational ServicesMessaging ServicesRetrieval Services

• Distributive ServicesNo User Control of PresentationUser Controlled Presentation

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

APPLICATIONS• Enhanced Phone Services • Customer Premise Equipment

• High Speed Data Transfers

• Telemessaging

• Videotex

• Tele-conferencing

• Telecontrol, Telepolling

• Tele-financing

• Online Services

• Remote Video Surveillance

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341

CONCLUSION

• ISDN is an underlying technology, which provides cost- effective networking through the public telephone networks.

• ISDN is an important step forward in the adaptation of the network to handle the increasing global demand for computer-to computer data communications.

• ISDN brings us closer to the goal of a ubiquitous multi-

service network, integrating voice, data, video and image.

BROADBAND ISDN

Tech

nic

al Sem

inar

Pre

senta

tion 2

00

4

Presented by - Supreeti Mitra EI200157341