What is the meaning UDP?

What is the meaning UDP?

What is the meaning UDP?

User Datagram Protocol
User Datagram Protocol (UDP) – a communications protocol that facilitates the exchange of messages between computing devices in a network. It’s an alternative to the transmission control protocol (TCP). In a network that uses the Internet Protocol (IP), it is sometimes referred to as UDP/IP.

What apps use UDP?


  • Domain Name System (DNS)
  • Streaming media applications such as movies.
  • Online multiplayer games.
  • Voice over IP (VoIP)
  • Trivial File Transfer Protocol (TFTP)

Why is UDP faster?

UDP is faster than TCP, and the simple reason is because its non-existent acknowledge packet (ACK) that permits a continuous packet stream, instead of TCP that acknowledges a set of packets, calculated by using the TCP window size and round-trip time (RTT).

Why UDP is not secure?

UDP has no algorithm for verifying that the source of the sending packet is the source that it seems to be. An attacker can therefore eavesdrop on UDP/IP packets and make up a false packet pretending the packet is sent from another source (spoofing).

Why is UDP blocked?

Because most protocols use TCP, many enterprise firewalls are configured to simply block UDP. This allows the firewall to protect the network and protect hosts from several attack vectors (replay attacks, host IP address probing, DDOS attack etc.).

In what two situations would UDP?

In what two situations would UDP be the preferred transport protocol over TCP? (Choose two.)

  • when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated.
  • when a faster delivery mechanism is needed.
  • when delivery overhead is not an issue.

What does UDP stand for?

UDP stands for User Datagram Protocol. It is part of the network protocols for the internet. In contrast to other internet protocols, UDP doesn’t provide guarantee of delivery, which makes UDP much faster.

Why UDP is considered as unreliable?

UDP is considered an unreliable delivery protocol because it does not check for errors. When transmitting voice and video, there is no time to retransmit erroneous or dropped packets. In contrast,…

Why is UDP considered unreliable?

UDP is a transport layer network protocol. The transport layer is responsible for getting data from one point on the network to another specific point on the network. In that context, UDP is described as an “unreliable” protocol because it makes no guarantees about whether the data sent will actually arrive.

What are some uses of UDP?

UDP ( User Datagram Protocol ) is an alternative communications protocol to Transmission Control Protocol (TCP) used primarily for establishing low-latency and loss-tolerating connections between applications on the internet. UDP enables process-to-process communication, TCP supports host-to-host communication.