04-24-2010 10:03 AM - edited 03-06-2019 10:47 AM
Hi every body.
I was reading about ping tool. When we ping an ip address, we also get RTT( round trip time).
Let say we have two hosts, A and B. Let say we ping B from A and get the ping response with RTT 10 msec. Does this 10m sec also include processing time taken by Host B to processes ping packet or it simply the time taken by ping packet from A to B and back to A i.e the processing time by B is not factored in in RTT calculation.
What about host A? when we issue ping from A, some processing time is spent in generating the ping (echo request) and processing the ping echo response. Does host A factor in this time in RTT calculation?
Thanks and have a nice weekend.
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04-24-2010 10:10 AM
Hi,
I have not looked up this in detailed, but from what I know the RTT (round-time-trip) is the time it takes from the source to receive a response of the packet.
So, if source A sends a PING to host B, then the RTT is the time it tooked the packet to leave host A and reach host B, and get back to host A.
So, I would say that yes it involves the time for both ends to process the packet (and realize it's an ICMP packet)
Federico.
04-24-2010 10:10 AM
Hi,
I have not looked up this in detailed, but from what I know the RTT (round-time-trip) is the time it takes from the source to receive a response of the packet.
So, if source A sends a PING to host B, then the RTT is the time it tooked the packet to leave host A and reach host B, and get back to host A.
So, I would say that yes it involves the time for both ends to process the packet (and realize it's an ICMP packet)
Federico.
04-24-2010 10:31 AM
thanks
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