Search results
Results from the WOW.Com Content Network
UDP is a simple message-oriented transport layer protocol that is documented in RFC 768.Although UDP provides integrity verification (via checksum) of the header and payload, [4] it provides no guarantees to the upper layer protocol for message delivery and the UDP layer retains no state of UDP messages once sent.
TCP offload engine (TOE) is a technology used in some network interface cards (NIC) to offload processing of the entire TCP/IP stack to the network controller. It is primarily used with high-speed network interfaces, such as gigabit Ethernet and 10 Gigabit Ethernet , where processing overhead of the network stack becomes significant.
The Internet checksum, [1] [2] also called the IPv4 header checksum is a checksum used in version 4 of the Internet Protocol (IPv4) to detect corruption in the header of IPv4 packets. It is carried in the IPv4 packet header , and represents the 16-bit result of the summation of the header words.
To enable the forwarding of User Datagram Protocol (UDP) broadcasts, including BOOTP, received on an interface, use the ip helper-address command in interface configuration mode. To disable the forwarding of broadcast packets to specific addresses, use the no form of this command.
The discard service is usually not enabled by default. It may be enabled by adding the following lines to the file /etc/inetd.conf and reloading the configuration: discard stream tcp nowait root internal discard dgram udp wait root internal The Discard Protocol is the TCP/UDP equivalent of the Unix file-system node /dev/null. Such a service is ...
For computing the checksum UDP-Lite uses the same checksum algorithm used for UDP (and TCP). [1] Modern multimedia codecs, like G.718 and Adaptive Multi-Rate (AMR) for audio and H.264 and MPEG-4 for video, have resilience features already built into the syntax and structure of the stream. This allows the codec to (a) detect errors in the stream ...
In such applications, old messages quickly become useless, so that getting new messages is preferred to resending lost messages. As of 2017 such applications have often either settled for TCP or used User Datagram Protocol (UDP) and implemented their own congestion-control mechanisms, or have no congestion control at all. While being useful for ...
Due to protocol ossification, TCP and UDP are the only widely used transport protocols on the Internet. [6] To avoid middlebox intolerance, new transport protocols may mimic the wire image of a tolerated protocol, or be encapsulated in UDP, accepting some overhead (e.g., due to outer checksums made redundant by inner integrity checks). [7]