Advantages And Disadvantages Of ATM Is A Deterministic Networking System

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ATM is a connection-oriented, unreliable, virtual circuit packet switching technology. Unlike most connectionless networking protocols, ATM is a deterministic networking system. It provides predictable, guaranteed quality of service. From end to end, every component in an ATM network provides a high level of control. ATM technology has:-
• Scalable Performance- ATM can send data across network quickly and accurately, regardless of the size of the network. ATM works well on both very low and very high-speed media.
• Flexible, guaranteed Quality of Service- ATM allows the accuracy and speed of data transfer to be specified by the client. The QoS feature of ATM also supports time dependent traffic. Each virtual circuit in an ATM network
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Point-to-Multipoint Connection

• Point-to-multipoint connects a single-source end system (known as the root node) to multiple destination end systems (known as leaves). Such connections are unidirectional only.

ADVANTAGES OF ATM
 Better utilization of the bandwidth
 It can also be used to transfer very large amounts of data over WAN and LAN.
 ATM can also be used between WAN and LAN as well.
 Allows for end-to-end flow and error control
 The speed of asynchronous transfer mode can reach up to 10 billion bytes/sec.

DISADVANTAGES OF ATM
 ATM has not been widely accepted.
 ATM switch costs much more than inexpensive LAN hardware.
 Assumption of Homogeneity: ATM is designed to be a single, universal networking

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