Service Data Unit

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Service Data Unit (SDU) is a set of data that is sent by a user of the services of a given layer, and is transmitted to a peer service user semantically unchanged.

Basically the SDU is the data that a certain layer will pass to the layer below. It differs from the PDU in that the PDU specifies the data that will be sent to the peer protocol layer at the receiving end.

The definition is from the Federal Standard 1037C

[edit] See also

• List of telecommunication network terms

Retrieved from "http://en.wikipedia.org../../../s/e/r/Service_Data_Unit_1a48.html"

Category: Telecommunications

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• This page was last modified 13:01, 12 February 2007 by Anonymous user(s) of Wikipedia. Based on work by Wikipedia user(s) Utcursch, Bluebot, Danielcohn, FlaBot, Peter L, Alai, Nachoman-au, KTC, Dcljr, Alan Liefting and Donald j axel.
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