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Regional Routing Architecture

NSAP Addressing PlanRouting Domain Fundamentals

Router Fundamentals

Routing Architecture

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NSAP Addressing Plan

IntroductionAddress Format

Assigning Values

Example

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NSAP Addressing Plan:

Introduction

NETWORK

Sender/

Receiver

Sender/

Receiver

Sender/

ReceiverSender/

Receiver

Sender/

Receiver

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NSAP Addressing Plan:

Introduction

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NSAP Addressing Plan:

Address Format

AFI IDI VER ADM RDF ARS LOC SYS SEL

0 1 3 4 7 8 11 13 19 20

20 octets

Routing Domain Prefix

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NSAP Addressing Plan:

Assigning Values

4 7 0 0 2 7 8 1 X X X X X X 0 0 X X X X X X LOC SYS SEL

ATS

Communication

Domains/System

Region

And

Country

Not

Used

Domain

Identifier

fixed

AFI IDI VER ADM RDF ARS LOC SYS SEL

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NSAP Addressing Plan:

Example

47 00 27 81 81 56 54 00 01 41 54 42 4B 49 53 00 00 00 01 00

AFI IDI VER ADM RDF ARS LOC SYS SEL

47 00 27 81 81 56 54 00 01 41 54 43 4D 49 53 00 00 00 01 00

ISOgosip

icao

ATSCGRND

ASIA Organization

locationcountry

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Routing Domain Fundamentals

ES ES

ES ES

ES ES

IS

IS IS

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Routing Domain Fundamentals

IS

ES ES

ES ES

ES ES

IS

ES

ES ESES ES

ES

IS

IS

IS

IS

Routing Domain 1 Routing Domain 2

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Routing Domain Fundamentals

IS ISIS IS

ES ES

ES ES

ES ES

ES ES

ISIS

ES ESES ES

Routing Domain 1 Routing Domain 3Routing

Domain 2

ISIS

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Router Fundamentals

Router Specification (hardware)

Type of interface

Number of ports

Communication speed

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Router Fundamentals

Router Specification (software)

ES-IS protocol

IS-IS protocol

IDRP protocolCLNP protocol

X.25 interface

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Routing Architecture

BBIS BBIS BBIS

BBIS

BBISBBIS BBIS BBIS

JapanChina USA

Hong Kong

India Thailand Singapore Australia

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Routing Architecture

BBIS BBIS BBIS

BBIS

BBISBBIS BBIS BBIS

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Routing Architecture

BBIS BBIS BBIS

BBIS

BBISBBIS BBIS BBIS

EBIS EBIS

EBIS

EBIS

non-BBIS

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Routing Architecture

ISEBIS

BBIS

IS

EBIS

Non

BBIS

BBIS

Non

BBIS

EBIS

EBISEBIS

State A State B State C State D

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End of PresentationEnd of Presentation