Airlive POE-GSH1602M handleiding
Handleiding
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16 QoS
QoS (Quality of Service) assesses the ability of service providers to meet customer
needs and the ability of transmitting packets over the Internet. Diversified services can
be assessed based on different aspects. QoS usually refers to the evaluation of service
capabilities that support core requirements such as bandwidth, delay, delay variation,
and packet loss rate during delivery. Bandwidth, also known as throughput, refers to
the average business flow within a certain period of time, with the unit of Kbit/s. Delay
refers to the average time required for business flowing through the network. For a
network device, the followings are general levels of delay requirements. There are two
delay levels, that is, the high-priority business can be served as soon as possible by
scheduling method of priority queue, while the low-priority business gets services after
that. Delay variation refers to the time change of business flowing through the network.
Packet loss rate refers to the percentage of lost business flow during transmission. As
modern transmission systems are very reliable, information is often lost in network
congestion. Packet loss due to queue overflow is the most common situation.
All messages in a traditional IP network are treated equally. Every network device
processes the messages on a FIFO basis, and makes every effort to
transmit them to destinations without guaranteeing reliability, transfer delay, or other
performance.
Network service quality is constantly improved as new applications keep springing up
in the rapidly changing IP network. For example, VoIP, video and other delay-sensitive
services have set higher standards on message transmission delay. Message
transmission in a short period has been the common trend. In order to support voice,
video and data services with different requirements, the network needs to identify
business types and provide corresponding services.
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Productinformatie
| Merk | Airlive |
| Model | POE-GSH1602M |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 71337 MB |
