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Introduction
Historical Background
GSM
EDGE
WCDMA
UMTS
Horizontal Layering
General Principles - User Plane - Control Plane - Application Layer
Core Network Standards and Interfaces
Key Benefits of the Layered Architecture
Core UMTS Network Elements
Routers/Switches
Traffic Handling in a Layered Architecture
Traffic Cases - Mobile Originated call - Mobile Terminated - PDP Context - Packet Forwarding
UMTS Summary
The Future
Final Thoughts
Blueadmiral.com
General Principles
The layered core network architecture is derived from the current standards reference model by separating the control plane functions, thus turning these nodes into Servers and Media Gateways.
User Plane Control Plane Application Layer
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