What is ping (packet internet gropher) & its protocol (icmp)?
Answers
A “ping” is a way for one computer to check if it can reach another computer using the networking IP protocol. The source computer can do a ping command to check if a destination computer is reachable, replies to pings, and the time it took to get there and back. The result will be the round-trip time it took for an IP packet to make it to the destination and back. The name comes from sonar terminology which would send a pulse and wait for the echo response.
ICMP means Internet Control Message Protocol and is always coupled with the IP protocol (There's 2 ICMP variants one for IPv4 and one for IPv6.)
ICMP means Internet Control Message Protocol and is always coupled with the IP protocol (There's 2 ICMP variants one for IPv4 and one for IPv6.)echo request and echo response are the two operation codes of ICMP used to implement ping.
ICMP means Internet Control Message Protocol and is always coupled with the IP protocol (There's 2 ICMP variants one for IPv4 and one for IPv6.)echo request and echo response are the two operation codes of ICMP used to implement ping.Besides the original ping program, ping might simply mean the action of checking if a remote node is responding, this might be done on several layers in a protocol stack - e.g. ARP ping for testing hosts on a local network. The term ping might be used on higher protocol layers and APIs as well, e.g. the act of checking if a database is up, done at the database layer protocol.
ICMP means Internet Control Message Protocol and is always coupled with the IP protocol (There's 2 ICMP variants one for IPv4 and one for IPv6.)echo request and echo response are the two operation codes of ICMP used to implement ping.Besides the original ping program, ping might simply mean the action of checking if a remote node is responding, this might be done on several layers in a protocol stack - e.g. ARP ping for testing hosts on a local network. The term ping might be used on higher protocol layers and APIs as well, e.g. the act of checking if a database is up, done at the database layer protocol.ICMP sits on top of IP. What you have below depends on the network you're on, and are not in themselves relevant to the operation of ping.
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Answer:
ping or Packet Internet Groper - Computer Definition
Ping is a TCP/IP utility that sends ICMP information packets to a computer on a network and waits for their return. The ping command is particularly helpful in verifying whether a host is working and whether a system is attached to the Internet.