Networking Overview: Everything " you need to know, in 50 minutes Network Security Prof Haojin Zhu Adopted from David Wagner Uc Berkeley May8,2019
Networking Overview: “Everything” you need to know, in 50 minutes Network Security Prof. Haojin Zhu Adopted from David Wagner @ UC Berkeley May 8, 2019
Local-Area networks A point-to-point hared How does computer Send a message to computer C? 2
Local-Area Networks point-to-point shared How does computerAsend a message to computer C? 2 A C
Local-Area networks: Packets From: A To: C Message: Hello world! A Hello world! A Hello world!
Local-Area Networks: Packets 3 From: A To: C Message: Hello world! A C Hello world! A C Hello world!
Wide Area networks 旦马 router How do we connect two lans 马马马
Wide-Area Networks router How do we connect two LANs? C 4 A
Wide Area networks R C. com Hello world! router R A. com C. com 马马 Hello world A. com C. com Hello world!
Wide-Area Networks 5 router • How do we connect two LANs? C A.com C.com Hello world! A A R R C A.com C.com Hello world! A.com C.com Hello world!