Network Protocol (i)

Definition: A set of rules, standards, or conventions established by a network protocol for data exchange in a computer network.

Features: Semantics, syntax, timing.

Hierarchy: The application layer (application layer) presentation layer (Presentation layer) session Layer Transport layer (Transport layer) network layer Layer) Data Link Layer physical layer (Physics layer)

Common protocols: TCP/ipnetbeuiipx/spx

Division: Physical Layer: Ethernet/Modem/powerline communication (PLC) · SONET/SDH g.709 • Optical fiber • Coaxial cable • Twisted pair Data link layer: Wi-fi (IEEE 802.11) · WiMAX (IEEE 802.16) · ATM DTM Token Ring · Ethernet FDDI Frame Relay · GPRS EVDO HSPA HDLC PPP L2TP PPTP ISDN Network layer protocol such as STP: IP (IPv4 IPV6) · ICMP ICMPv6 IGMP is-is IPSec ARP Rarp and other Transport layer protocol: TCP UDP TLS DCCP SCTP RSVP Application layer protocols such as OSPF: DHCP DNS FTP Gopher HTTP IMAP4 IRC NNTP XMPP POP3 SIP SMTP SNMP SSH Telnet RPC RTCP RTP RTSP SDP Soap GTP Stun NTP SSDP BGP RIP, etc.

the next article provides examples of protocols: RPC protocol, HTTP protocol, TCP/IP protocol, UDP protocol, socket protocol

Network Protocol (i)