Capacity measurement in small-scale, heterogeneous, best-effort IP networks

摘要: Current home networks are not well designed to support quality of service (QoS). Successfully employing current QoS solutions in heterogeneous environments, such as networks, requires compatibility between the many possible for different network technologies. Often need from all devices throughout network. Additionally, it is often difficult configure settings properly. An alternative approach that adds some admission control based on path assessment. The delivering device decides if a new can be admitted quick measurement. Currently there no tools available performing fast and accurate measurement paths. This report describes design evaluation capacity tool small­scale, heterogeneous, best­effort IP networks. A probing method developed obtains bottleneck paths consisting link layer Besides standard support, we do put any requirements receiving devices. performance newly evaluated through simulations Ethernet/802.11b OPNET Modeler©. Simulation results show estimation provides (typically ±0.5 Mbps) estimates within 5 seconds) employed with low moderate cross traffic intensities. For higher intensities, decreases.