Payload (computing)

In computing and telecommunications, the payload is the part of transmitted data that is the actual intended message. The payload excludes any headers or metadata sent solely to facilitate payload delivery.[1][2]

In the context of a computer virus or worm, the payload is the portion of the malware which performs malicious action.

The term is borrowed from transportation, where payload refers to the part of the load that pays for transportation.

Security

In computer security, the payload is the part of the private user text which could also contain malware such as worms or viruses which performs the malicious action; deleting data, sending spam or encrypting data.[3] In addition to the payload, such malware also typically has overhead code aimed at simply spreading itself, or avoiding detection.

Programming

In computer programming, the most common usage of the term is in the context of message protocols, to differentiate the protocol overhead from the actual data. For example, a JSON web service response might be:

{
    "data": {
        "message": "Hello, world!"
    }
}

The string "Hello, world!" is the payload, while the rest is protocol overhead.

Networking

In the computer networking, data to be transmitted is the payload, but is almost always encapsulated in some type of a frame composed of framing bits and a frame check sequence.[4][5] Examples are Ethernet frames, Point-to-Point Protocol (PPP) frames, Fibre Channel frames, and V.42 modem frames.

See also

References

  1. ^ "Payload definition". Pcmag.com. 1994-12-01. Retrieved . 
  2. ^ "Payload definition". Techterms.com. Retrieved . 
  3. ^ "Payload definition". Securityfocus.com. Retrieved . 
  4. ^ "RFC 1122: Requirements for Internet Hosts -- Communication Layers". IETF. October 1989. p. 18. RFC 1122. https://tools.ietf.org/html/rfc1122#page-18. Retrieved 2010-06-07. 
  5. ^ "Data Link Layer (Layer 2)". The TCP/IP Guide. 2005-09-20. Retrieved . 

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.


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