[eternalban]

Look, you are welcome to your 'opinion' but the q remains (given that there are only 2 choices here) as how pipeling is a form of "synchronous" communication.

[p.s.]:

pipelining is a kind of async comm because unlike the general case of asynchrony, the response order mirrors the request order (which is not a requirement of the general case.)

[stkdump]

I never said that pipelining is synchronous communication. If our go back to my original post. I merely said that (a)synchronicy is not a feature of a protocol, but how sender/receiver handle the communication internally.