is it possible to update tcp window scaling factor after 3-way handshake by sending a syn/ack?

Question

tcp window scaling factor is notified during 3-way handshake period is it possible to update tcp window scaling factor after 3-way handshake

for example, by sending a SYN/ACK with tcp header option including a new tcp window scaling factor?

thanks!

Answer 1

I believe paragraph 2.1 of RFC1323 addresses your question.