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RFC 2474 — Definition of the differentiated services field (DS field) in the IPv4 and IPv6 headers. Note that the DS field of 8 bits (the bottom two unused) in [2] was later split into the current 6-bit DS field and a separate 2-bit ECN field. [3] RFC 2475 — An architecture for differentiated services. RFC 2597 — Assured forwarding PHB group.
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. Since RFC 3168, the remaining two bits (the two least significant bits) are used for Explicit Congestion Notification.
Differentiated services provides an additional method to select outgoing interfaces, based on a field that indicates the forwarding priority of the packet, as well as the preference of the packet to be dropped in the presence of congestion. Routers that support differentiated service not only have to look up the output interface for the ...
Traffic Class: 6+2 bits The bits of this field hold two values. The six most-significant bits hold the differentiated services field (DS field), which is used to classify packets. [2] [3] Currently, all standard DS fields end with a '0' bit. Any DS field that ends with two '1' bits is intended for local or experimental use. [4]
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.
A social identity model of deindividuation phenomena. In W. Stroebe & M. Hewstone (eds.), European Review of Social Psychology, 6, 161–98. Reicher, S. (1996) Social identity and social change: Rethinking the context of social psychology. In W.P. Robinson (Ed.) Social groups and identities: Developing the legacy of Henri Tajfel (pp. 317–336 ...
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This theory accounts more for the social nature of sharing information than the one-step or two-step flow theories. [2] The two-step theory was popular when it was first introduced, but when it became difficult to actually measure opinion leaders' influence on the public's behavior and their opinions, the multi-step theory was developed. The ...