![]() It also includes the number of bytes received and the time it took to receive a reply or the time-to-live. The echo ping results show whether a particular request received a successful response. RTT is a key performance metric of web applications.īy default, ping commands send multiple requests - usually four or five - and display the results. Measured in milliseconds (ms), the process starts when a browser sends a request to a server and is completed when a response from the server is received. RTT is a measure of how long it took to receive a response. This approach serves two specific purposes: verifying that the target host is available and determining round-trip time (RTT) or latency. When the target host receives the echo request, it responds by sending an echo reply packet. When a ping command is issued, a ping signal is sent to a specified address. Ping works by sending an Internet Control Message Protocol (ICMP) Echo Request to a specified interface on the network and waiting for a reply. The term is also used to test and determine how fast a data signal travels from one place (a computer) to another (a website). Ping is a simple way to check for a response from a host. Any operating system (OS) with networking capability, including most embedded network administration software, can use ping.įor example, to find the IP address, such as 205.245.172.72, you need to send a ping command to the specific domain name. Ping is also used diagnostically to ensure that a host computer the user is trying to reach is operating online.
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