Lecture overview Last time: Protocol stacks and layering oSi and tc∥ P mode|s >)Application requirements from transport protocols Internet Architecture Application examples ftp http Application requirements “ ilities” 》 Sharing 22 Lecture Overview Last time: » Protocol stacks and layering » OSI and TCP/IP models » Application requirements from transport protocols Internet Architecture Application examples. » ftp » http Application requirements. » “ilities” » Sharing