CHAPTER-3 WAN Protocols

Topics in WAP Protocols Frame Relay (FR)Introduction Frame Relay Network FR Frame Format FR frame Address Field DLCI ( Data Link Connection Identifiers ) Frame Relay Design Types of Virtual Circuits of FR Frame Relay CIR, EIR and LMI Advantage and Disadvantage of Frame Relay ATM, The Faces of ATM, ATM as Layer and Technology ATM layer and Cell

Frame Relay( FR) Network

Frame Relay( FR) Network

DLCI The DLCI is the layer two address for FR. For transmitted frames , the DLCI is the destination address, and receiving frames it is the source address. it is two types a) Global DLCI b) Local DLCI

Types of Virtual circuit over FR

FR (Frame Relay) Design There are three component of FR- Access: the local loop from customer site to the FR service provider’s point of presence (POP) or central office Port: The FR access port is the speed of the connection into the FR service provides switch. Virtual Circuit: it is two types PVC and SVC

a

PVC Management , or LMI It is the control signaling between a CPE device and a FR network switch.

ATM

The FACES of ATM

ATM as an Interface and Protocol

ATM as an Architecture and Technology

ATM LAYER AND CELL ATM layer provides many function-

Videos Introduction to Frame Relay https://www.youtube.com/watch?v=vABIIJJftao