Abstract
ATM provides functionality that is similar to bothcircuit switchingandpacket switchingnetworks: ATM usesasynchronoustime-division multiplexing, and encodes data into small, fixed-sizedpackets(ISO-OSIframes) calledcells.This differs from approaches such as theInternet ProtocolorEthernetthat use variable sized packets and frames. ATM uses aconnection-orientedmodel in which avirtual circuitmust be established between two endpoints before the actual data exchange begins. These virtual circuits may be permanent To make m-banking application a success bandwidth management is an important issue. The increased flexibility and mobility feature of wireless ATM and its bandwidth on demand function is motivating a large number of carriers towards deployment of the WATM networks. But there are certain issues which are required to be addressed in WATM. The issues are cost effective planning of network, location management and handover management
Highlights
The design of ATM aimed for a low-jitter network interface
When the CCITT ( ITU-T) was standardizing ATM, parties from the United States wanted a 64-byte payload because this was felt to be a good compromise in larger payloads optimized for data transmission and shorter payloads optimized for real-time applications like voice; parties from Europe wanted 32-byte payloads because the small size simplify voice applications with respect to echo cancellation
WATM can be viewed as a solution for next-generation personal communication networks, or a wireless extension of the B-ISDN networks, which will support integrated data transmission - data, voice, and video, with guaranteed Quality of Service (QoS)
Summary
The design of ATM aimed for a low-jitter network interface. "cells" were introduced into the design to provide short queuing delays while continuing to support datagram traffic. With 32 bytes, Mobile banking is an extension to application such as phone banking and online banking. It can be defined as a channel whereby. It is a technology that allows total flexibility and efficiency required for high speed multi-service and multi-media networks by providing bandwidth on demand. Another advantage of ATM networks is its extension to wireless scenario namely, wireless ATM. WATM can be viewed as a solution for next-generation personal communication networks, or a wireless extension of the B-ISDN networks, which will support integrated data transmission - data, voice, and video, with guaranteed Quality of Service (QoS). The various application scenarios for WATM can be cellular wireless ATM, wireless ATM LAN, and radio local loop system
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