CSE473S-19-2B: Application Layer Protocols: HTTP, SMTP, DNS, BitTorrent (Part 2 of 3)

Video recording of a class lecture in the course on Introduction to Computer Networking by Professor Raj Jain of Washington University in Saint Louis. This 2nd module of the course covers application layer protocols. The module covers Network Application Architectures, Protocol Layers, Network Application Architectures, Client-Server, Peer-to-Peer, Process Communications, Names, Addresses, Ports, Transports, Application Layer Protocols, HTTP, HTTP Concepts, HTTP, Sample Web Page, Sample HTTP Request Message, HTTP Request Message Format, Sample HTTP Response Message, HTTP Response Message Format, Hands-on HTTP, Cookies, Proxy Server: Web Caching, Conditional GET, Lab 2, Electronic Mail, SMTP, Sample SMTP Exchange, HTTP vs. SMTP, Mail Access Protocols, POP3 protocol, IMAP, Domain Name Service, DNS, DNS Example, DNS Hierarchy, How DNS Works?, DNS Records, DNS Message Format, DNS Registration, DNS Vulnerability, Peer-to-Peer Applications, P2P File Distribution (BitTorrent), Peer-to-Peer Applications, Client Server vs. P2P Scalability, BitTorrent P2P File Distribution, Streaming Video, Dynamic Adaptive Streaming over HTTP (DASH), Content Distribution Networks (CDN)