Dynamic bandwidth allocation: Difference between revisions

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{{Short description|Telecommunications resource sharing technique}}

{{Expert}}

{{More citations needed|date=February 2024}}

'''Dynamic Bandwidthbandwidth Allocationallocation''' (DBA) is a technique by which traffic bandwidth in a shared telecommunications medium can be allocated on demand and fairly between different users of that bandwidth.<ref>{{Cite Essentially,web it|last=Tatum is|first=Malcolm bandwidth|date=18 managementJanuary or2024 |title=What Is Dynamic Bandwidth Allocation? |url=https://www.easytechjunkie.com/what-is-dynamic-bandwidth-allocation.htm also|access-date=5 sometimesFebruary known2024 as|website=EasyTechJunkie}}</ref> statisticalThis multiplexing.is a form of [[bandwidth management]], Wherewhere the sharing of a link adapts in some way to the instantaneous traffic demands of the nodes connected to the link.

DBADynamic bandwidth allocation takes advantage of several attributes of shared networks:

(1) all users are typically not connected to the network at one time

(2) even when connected, users are not transmitting data (or voice or video) at all times

(3) most traffic is "bursty" -- there are gaps between packets of information that can be filled with other user traffic

(1)# all users are typically not connected to the network at one time

Different network protocols implement DBA in different ways. These methods are typically defined in [[standard]]s developed by standards bodies such as the [[ITU]], [[IEEE]], [[FSAN]], or [[IETF]]. One example of DBA is defined in the ITU G.983 specification for [[passive optical network]] ([[PON]]).

(2)# even when connected, users are not transmitting data (or voice or video) at all times

(3)# most traffic isoccurs "bursty"in -- therebursts—there are gaps between packets of information that can be filled with other user traffic

Different network protocols implement DBAdynamic bandwidth allocation in different ways. These methods are typically defined in [[Standardization|standard]]s developed by standards bodies such as the [[ITU]], [[IEEE]], [[FSAN]], or [[IETF]]. One example of DBA is defined in the ITU G.983 specification for [[passive optical network]] ([[PON]]).

== See also ==

== See also ==

* [[Statistical multiplexing]]

* [[Channel access method]]

* [[Time division duplex]] (TDD)

* [[Dynamic TDMA]]

* [[Reservation ALOHA]] (R-ALOHA)

* [[Packet reservation multiple access]] (PRMA)

* [[OFDMA]]

* [[CDMA]]

* [[Dynamic channel allocation]]

* [[Reservation ALOHA]] (R-ALOHA)

* [[Interleaved polling with adaptive cycle time]] (IPACT)

* [[ Bandwidth guaranteed polling]] (BGP)

==References==

[[Category:Telecommunications]]

{{reflist}}

[[Category:Computer Networking]]

[[Category:{{Channel access methods]]}}

[[category:Wireless communications]]

[[Category:Computer Networkingnetworks engineering]]

[[Category:Telecommunications techniques]]

[[Category:Radio resource management]]

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