In a network topology for forwarding packets various routing protocols are being used. Routers maintain a routing table for successful delivery of the packets from the source node to the correct destined node. The extent of information stored by a router about the network depends on the algorithm it follows. Most of the popular routing algorithms used are RIP, OSPF, IGRP and EIGRP. Here in this paper we are analyzing the performance of these very algorithms on the basis of the cost of delivery, amount of overhead on each router, number of updates needed, failure recovery, delay encountered and resultant throughput of the system. We are trying to find out which protocol suits the best for the network and through a thorough analysis we have tried to find the pros and cons of each protocol.
Analysis of the Quality of Service (QoS) in the UMTS (Universal Mobile Telecommunications System) network has been done using different parameters. UMTS is a universal telecommunication service which is more popularly known as 3G. It uses Wideband Code Division Multiple Access (WCDMA) techniques inculcating internet protocol, urban terrestrial and radio air interfaces. Thus, resources used here also allow lower generation services. It provides better speed, security, bandwidth utilization etc. Quality of Service is analyzed by changing the value of the precedence bit of the CBR application. The values of the precedence bits that have been taken are 0, 1, 4 and 6. The comparison has been done on the basis of throughput, average end to end delay etc.
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