What's a protocol? a human protocol and a computer network protocol: Hi ICP connection Hi request TCP connection Got the response time? Get http://www.awl.com/kurose-ross ★-2：00 kfile> time Q:Other human protocols? Introduction 1-9 Introduction 1-9 What’s a protocol? a human protocol and a computer network protocol: Q: Other human protocols? Hi Hi Got the time? 2:00 TCP connection request TCP connection response Get http://www.awl.com/kurose-ross <file> time