0 votes 0 votes Question : Solution : Please explain with a rough diagram showing how an application (at app layer) differentiates different source hosts (A or B) dealing with same port : 80 at host C , as well as the role of socket here. Computer Networks computer-networks tcp + – dd asked Dec 5, 2016 dd 655 views answer comment Share Follow See 1 comment See all 1 1 comment reply dd commented Dec 5, 2016 reply Follow Share The solution given is ok and it says, the basis of differentiation is the socket identifiers (A/B IP addresses). This is an abstract explanation and it does not say anything about how two socket performs the above task in coordination with transport + app layer. 0 votes 0 votes Please log in or register to add a comment.