from time to time i get a phone call (at work) from a certain person.
what makes it different from other calls, is that this guy actually starts a conversation in the triple-handshake procedure:
- he: “hi, this is _____ .”
me: “hello, sir!”
he (again): “i’m calling, because…”
from the first day, it reminded me of this part of my graduation paper (written in german):
TCP connection esablishment
- Host A: SYN seq=”n”
Host A asks Host B to synchronize sequence numbers (n).
Host B: SYN ACK “n+1″ seq=”m”
Host B acknowledges the request with the next sequence number (n+1) and asks for synchronisation of it’s own sequence number (m).
Host A: ACK “m+1″
Host A acknowledges Host B’s SYN. the connection has been established in both directions now.
notice any analogies?