Definition of Network Units: Fragment, Segment, Packet, Frame, Datagram Datagram: This is used in 2 layers If the network protocol is IP, the unit of data is called Datagram At the transport layer, if the protocol is UDP, we use datagram there as well Hence, we differentiate them as UDP Datagram, IP Datagram Frame: Physical layer representation
udp - TCP IP packets and datagrams - Stack Overflow The term datagram is often considered synonymous to packet but there are some nuances The term datagram is generally reserved for packets of an unreliable service, which cannot notify the sender if delivery fails, while the term packet applies to any packet, reliable or not Datagrams are the IP packets that provide a quick and unreliable service like UDP, and all IP packets are datagrams; [4
java - send and receive Socket Datagram - Stack Overflow However, when the server receives a datagram, you are ignoring the IP and port where the datagram was actually sent from: DatagramSocket receive(DatagramPacket) Receives a datagram packet from this socket When this method returns, the DatagramPacket 's buffer is filled with the data received
What is SOCK_DGRAM and SOCK_STREAM? - Stack Overflow Record boundaries in data, however, are preserved Datagram sockets closely model the facilities found in many contemporary packet-switched networks SOCK_STREAM: Provides sequenced, two-way byte streams with a transmission mechanism for stream data This socket type transmits data on a reliable basis, in order, and with out-of-band capabilities
Difference between PACKETS and FRAMES - Stack Overflow Datagram A self-contained, independent entity of data carrying sufficient information to be routed from the source to the destination computer without reliance on earlier exchanges between this source and destination computer andthe transporting network
What is the largest Safe UDP Packet Size on the Internet The UDP header has a datagram length field that is 16 bits, meaning that that the largest theoretical UDP datagram is 65,535, but that can never be reached because UDP is encapsulated inside an IP packet, which has a theoretical overall maximum length of 65,535 (the same) but you must subtract the IP and UDP headers from that size to figure the
TCP stream vs UDP message - Stack Overflow The interface API presented to you the user (programmer) of these protocols are: UDP Message oriented, you have an API (send recv and similar) that provide you with the ability to send one datagram, and receive one datagram 1 send () call results in 1 datagram sent, and 1 recv () call will recieve exactly 1 datagram TCP Stream oriented, you have an API (send recv and similar) that gives you
Difference between UNIX domain STREAM and DATAGRAM sockets? This question is NOT for the difference between STREAM type and DATAGRAM type INTERNET sockets I know that STREAM sockets use TCP, Datagram sockets use UDP and all the TCP,UDP stuff, packets arriv