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SGSN – Service GPRS Support Node

Vangie Beal
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Short for Service GPRS Support Node, it mediates access to network resources on behalf of mobile subscribers (MS) and implements the packet scheduling policy between different QoS classes. It is responsible for establishing the Packet Data Protocol (PDP) context with the GGSN (gateway GPRS support node) upon activation. [Source: Adapted from Motorola Worldwide]

Vangie Beal
Vangie Beal is a freelance business and technology writer covering Internet technologies and online business since the late '90s.

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