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Internet protocol suite; Application layer; BGP; DHCP (); DNS; FTP; HTTP (); HTTPS; IMAP; IRC; LDAP; MGCP; MQTT; NNTP; NTP; OSPF; POP; PTP; ONC/RPC; RTP; RTSP; RIP ...
This is a list of the IP protocol numbers found in the field Protocol of the IPv4 header and the Next Header field of the IPv6 header.It is an identifier for the encapsulated protocol and determines the layout of the data that immediately follows the header.
The Internet protocol suite, commonly known as TCP/IP, is a framework for organizing the set of communication protocols used in the Internet and similar computer networks according to functional criteria.
This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for bidirectional traffic.
The Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks. In operation since before 1985, NTP is one of the oldest Internet protocols in current use.
A packet-switched network transmits data that is divided into units called packets.A packet comprises a header (which describes the packet) and a payload (the data). The Internet is a packet-switched network, and most of the protocols in this list are designed for its protocol stack, the IP protocol suite.
Protocol data units of the OSI model are: [1]. The Layer 4: transport layer PDU is the segment. The Layer 3: network layer PDU is the packet or the datagram. [2]The Layer 2: data link layer PDU is the frame.
The information exchanged between devices through a network or other media is governed by rules and conventions that can be set out in communication protocol specifications.