สรุปองค์ความรู้หน่วยที่ 2 โปรโตคอล

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Transcript

  • 1. 1. Syntax Format) Structure) 8 address) 8 syntax 2. Semantics syntax 3. Timing
  • 2. 100 Mbps 1 Mbps 7 1. physical layer) 2. data link layer) node) 2 3. network layer) 4. transport layer) 5. session layer) module) 6. presentation layer)
  • 3. 7. application layer) TCP/IP (Transmission Control Protocol/Internet Protocol) TCP/IP
  • 4. real-time Voice) data) TCP/IP Header Header Encapsulat e Header Demultiplexing Encapsulation/Demultiplexing TCP/IP 4 1. Host-to-network) IP 2. The Internet Layer)
  • 5. packet-switching network) Connectionless) Packet) 3. Transport Layer) 2 Transmission Control Protocol (TCP) connection- oriented) Byte stream message mess age TCP UDP (User Datagram Protocol) connectionless) client/server system) request/reply) voice) 4. Application Layer) TELNET FTP SMTP
  • 6. FTP (File Transfer Protocal) FTP
  • 7. FT P USER) User Interface FTP FTP PI (Protocol Interpreter module) DT (Data Transfer module) PI DT HTTP(Hyper Text Transport Protocol) HTTP end-user) HTTPs(Hypertext Transfer Protocol Security ) HTTP protocol server client Netscape 1994 ------