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What is Packet-Level Procedure?

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  • Written By: A. Leverkuhn
  • Edited By: Andrew Jones
  • Last Modified Date: 25 September 2016
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A packet-level procedure or PAP is a kind of protocol for data flow between a sender and a recipient. It is used for various telecom purposes. The packet-level procedure can help deliver text or digitized speech, or any other kind of data. It can also help provide security for an exchange.

A packet is a unit of data sent over digital telecommunications networks. In complex data transmission, a series of packets gets sent from one party to another. Engineers look at the speed and accuracy of packet transmission as a standard for these kinds of digital communications.

A packet-level procedure is known as a “full-duplex” procedure because it allows for versatile data transmission both ways. Packet level procedures are often used for authenticating networks or other tasks. A common routine called PING or Packet Internet Groper is a procedure where one packet is sent to diagnose network presence.

In recent years, scientists and engineers have learned how to make many different kinds of audiovisual elements into a digital format. The packet is a data format that can handle all of these different kinds of transmissions. That's how a packet-level procedure can be used for text transmission in instant messaging, or for voice communications in a wireless telecom system.

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To beginners, the idea of an audio voice stream made into packets may seem strange. With voice transmission made into packets, the sound stream is digitized at its source, and then “unpacked” at its destination. Packets may not travel with a uniform frequency, and without proper engineering, this can result in “breaking up” on the other end of the line.

Voice communications for computer projects like Skype™ are made into packets for transmission. In wireless cell phone networks, it is common to packetize voice for “last mile: transmission, where a wireless signal takes the digital packets from the last relay tower to the recipient’s phone or device. All of these technologies rely on a solid system of ordering packets for precise delivery.

As more and more of our voice communications go digital, packets promise to be a favorite format for data flow. Nearly any kind of transmission, including visuals for movies and pictures, can be sent to a destination in packets. Today’s engineers are looking to make technologies more standard and versatile, and packet transmission is a large part of the work that goes on around these kinds of new telecom technologies.

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