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Differentiated services or DiffServ is a computer networking architecture that specifies a mechanism for classifying and managing network traffic and providing ...
In RFC 2474 the definition of this entire field was changed. It is now called the "DS" (Differentiated Services, "DiffServ") field and the upper 6 bits contain a value called the "DSCP" (Differentiated Services Code Point). The upper 3 bits of DS maintains compatibility with IP Precedence.
Differentiated service is extensively covered in a few narrow technical areas, such as telecoms networks and internet (see Differentiated services).It is also mentioned in some marketing sources, with reference to customer segmentation.
RFC 2638 from the IETF defines the entity of the Bandwidth Broker (BB) in the framework of differentiated services (DiffServ). According to RFC 2638, a Bandwidth Broker is an agent that has some knowledge of an organization's priorities and policies and allocates quality of service (QoS) resources with respect to those policies.
The IETF has also published Baker, Fred; Babiarz, Jozef; Chan, Kwok Ho (August 2006), Configuration Guidelines for DiffServ Service Classes, doi: 10.17487/RFC4594, RFC 4594 as an informative or best practices document about the practical aspects of designing a QoS solution for a DiffServ network. The document tries to identify applications ...
In computer networking, integrated services or IntServ is an architecture that specifies the elements to guarantee quality of service (QoS) on networks. IntServ can for example be used to allow video and sound to reach the receiver without interruption.
DiffServ itself provides no guarantee of throughput, it does allow the network operator to decide which traffic is higher priority, and hence will be forwarded first in congestion situations. Overlay networks implement a much finer granularity of quality of service, allowing enterprise users to decide on an application and user or site basis ...
Traffic classification is an automated process which categorises computer network traffic according to various parameters (for example, based on port number or protocol) into a number of traffic classes. [1]