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Please give the two mechanisms for detecting a packet loss; which one is considered to be...

Please give the two mechanisms for detecting a packet loss; which one is considered to be caused by more serious network congestion, and why?

Computer network. Transmission Control Protocol Congestion Control
Science   Advanced-Physics   
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Answer #1

Packet loss is detected by reliable protocols such as TCP. Reliable protocols react to packet loss automatically, so when a person such as a network administrator needs to detect and diagnose packet loss, they typically use status information from network equipment or purpose-built tools.

The Internet Control Message Protocol provides an echo functionality, where a special packet is transmitted that always produces a reply. Tools such as ping, traceroute, and MTR use this protocol to provide a visual representation of the path packets are taking, and to measure packet loss at each hop.[

Many routers have status pages or logs, where the owner can find the number or percentage of packets dropped over a particular period.

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