| Publisher | Technical University of Cluj-Napoca | ||
|---|---|---|---|
| Format | 657.6KB PDF | Date added | 14 Dec 2005 |
| Topics | Quality of Service, TCP - IP, Mobile - Wireless Communications | ||
| Downloads | 15 | ||
Generally speaking, a service is finally defined by quality parameters. In particular, telecommunications services are evaluated by a set of parameters called QoS parameters: throughput, delay, jitter, and packet loss. This paper considers that each layer parameters essentially contribute to the global QoS evaluation. QoS layered approach separates QoS aspects on each network layer in order to offer the possibility of selection a certain configuration according to network capabilities and correlated with user/application availability. This paper analyze QoS parameters from the network perspective looking on three different TCP/IP layers: Transport Layer (TCP and UDP), Network Layer (DSDV, DSR and AODV), and Medium Access Control Layer (DCF and EDCF).
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