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Understanding UDP: How UDP Works, UDP Port

JSMedia – User Datagram Protocol or abbreviated UDP is an IP/TCP transport layer protocol to support unreliable communications. Generally, this protocol is classified in the type of RFC 768 in the computer equipment used.

This protocol is useful for the ease of sending messages from software to fellow computer users, even without initial communication and implementing simple relationships with minimal mechanisms for data integrity protection checksums.

Understanding UDP

Understanding UDP

UDP or User Datagram Protocol is one of the components of the internet protocol that functions for simple relationships with Domain Name System or DNS, Network Time Protocol or NTP, Dynamic Host Configuration or DHCP, and RIP.

In addition, this protocol can also function as a bridge to send messages or various information at a speed even though it is not reliable. This means that users can quickly send messages via the computer even though it is less accurate.

However, generally users of the protocol or Use Datagram Protocol from the computer that sends the message to the computer that receives the message, there is no need to negotiate for the exchange of data because the settings have been adjusted.

How UDP Works

How UDP Works

For how it works itself, the User Datagram Protocol is clearly different from the TCP protocol, because it has a channel that is useful for connecting between hosts that send data to each other. This channel is called the User Datagram Protocol.

It is clear again that every application that wants to connect with this protocol must use an IP Address or IP address. Then this User Datagram Protocol port will function for the multiplexed message queue.

That is, the port is able to work to send and receive data even though it comes together. In addition, each User Datagram Protocol channel number or User Datagram Protocol port has a special identity for its distribution.

Take a look at how the User Datagram Protocol works, which is described below:

  • Source port packets and text file client ports are sent in the User Datagram Protocol Header.
  • The source port and client audio port packets are sent to the User Datagram Protocol Header server.
  • User Datagram Protocol aims to read the destination port and data.
  • The packet has a destination port, and the server can send data back to the FTFP Client.
  • Bullets 3 and 4 above repeat when the audio file is sent by the client.
  • When an application sends data, the User Datagram Protocol does not buffer or fragment the incoming data.
  • Big data from MTU, will be fragmented by
  • If the network layer functions to regulate the delivery of end system data, of course the layer functions regulate the delivery of data for each process such as TCP, DCCP, User Datagram Protocol, SCTP, and RSVP.

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UDP port

UDP port

In this protocol or the User Datagram Protocol, it uses an IP/TCP network that has a section called a port. This section is a mechanism that can allow computers for support on other computers to also connect to each other.

Another function of this part of the port is to read or detect services and applications on the IP / TCP network. The identity of this port itself is usually displayed with a 16-bit symbol which is the meaning and differentiator of the type of protocol to be used on the port UDP and TCP ports.

This User Datagram Protocol port is a channel contained in the User Datagram Protocol itself with a tolerable limit on the number of each transport protocol is 65536.

In addition, it is also useful for socket applications to send datagram packets. Then the datagram is forwarded as an unreliable or unreliable packet from the port.

A reliable package itself will include an explanation in the event of an unsuccessful delivery of the data package. Meanwhile, all data sent using the User Datagram Protocol is not accompanied by an identity number.

However, it does not mean that the User Datagram Protocol is a protocol that does not have advantages. Precisely behind it the User Datagram Protocol has an advantage in terms of protocol lightness. This makes it able to save resources from memory and processor capacity with good functionality.

We need to emphasize again that UDP is an internet protocol that prioritizes data file speed and not accuracy. Usually this protocol is often used for live video, and needs to be stabilized on the internet network rather it doesn’t slow down.

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