ATM Technology Series Introduction

ATM The Telecom Source 10 Slide Technology Series

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ATM Connections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],VP-1 VP-2 VP-n VP-1 VP-2 VP-n Physical Link VP = virtual path VC = virtual circuit

ATM Switching ATM Switch VP-1 VP-2 VP-n Physical Link VC-1 VC-2 VC-n VC-1 VC-2 VC-n Port ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10 2 2 2 1 1 1 2 2 1 1 1 … … … … … … 1 1 3 1 1 2 1 1 2 1 2 1 VCI VPI PORT VCI VPI PORT EGRESS (OUTPUT) INGRESS (INPUT)

ATM Cell Structure 48 byte payload 5 byte header Byte 1 2 3 4 5 1 2 3 4 5 6 7 8 Error Control VCI Generic Flow Identifier VPI VPI VCI VCI CLP Payload Type VPI – virtual path identifier VCI – virtual circuit identifier CLP – cell loss priority Legend ,[object Object],[object Object],[object Object],Bit number

ATM System Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],End Station End Station Switch Voice Data Video AAL PHY PHY ATM PHY ATM PHY ATM AAL Voice Data Video

ATM Adaptation Layer (AAL) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ATM Layer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ATM Layer …cont’d ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Service Category Matrix      PCR UBR    ABR     NRT-VBR       RT-VBR    CBR ICR MBS MBS SCR CLR maxCTD ppCDV Traffic Parameters QoS Parameters Service Categories

Physical Layer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ATM Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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ATM Technology Series Introduction

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