There is a challenging need to satisfy the quality of Service requirements in different applications due to the dynamic network condition, heterogeneous traffic flows, and resource-constrained behavior of sensor nodes.
QoS is the ability of a network to provide satisfactory service by assigning sufficient bandwidth to account for jitter and latency. The objective of Quality of Service is to prioritize specific types of traffic, such as those with a constant or fixed bandwidth, regulated latency, jitter, and decreased packet loss [3].
QoS (quality of service) measurements are important in the evaluation of wireless networks; they provide valuable information about network performance and quality.
The method used to assess the quality of service and performance on the Wireless LAN (WLAN) network is Quality of Service (QoS), evaluated through parameters such as throughput, delay, jitter, and packet loss.
For this purpose, this paper evaluates various QoS delivery models devised for service delivery in real time over IP networks. Multiple vulnerabilities are outlined that weaken QoS delivery in different models. Performance optimization is needed to ensure QoS delivery in next-generation WSN networks.
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