Learning EPC CUPS Masterclass The Missing Link Between 4G EPC and 5G

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EPC CUPS Masterclass The Missing Link Between 4G EPC and 5G
Published 6/2026
Created by Core & IMS Learning
MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz, 2 Ch
Level: Intermediate | Genre: eLearning | Language: English | Duration: 52 Lectures ( 3h 28m ) | Size: 1.9 GB
Bridge the gap between 4G EPC and 5G Core by mastering CUPS, PFCP, SBA, and Network Evolution.
What you'll learn
Explain why CUPS was introduced and how it bridges the architectural evolution from 4G EPC to the 5G Core.
Differentiate Control Plane and User Plane functions and understand how CUPS solves scalability and latency challenges.
Understand PFCP, the N4 interface, and how PDR, FAR, and QER control user traffic in CUPS deployments.
Explain how CUPS enables Mobile Edge Computing (MEC), Network Slicing, and the transition to Service-Based Architecture (SBA).
Understand the evolution from EPC to 5G Core, including AMF, SMF, UPF, PCF, NRF, and cloud-native principles.

Requirements
Basic understanding of 4G LTE/EPC architecture and mobile core network concepts is recommended.
Familiarity with telecom signaling protocols such as GTP, Diameter, or SIP is helpful but not mandatory.
A basic understanding of IP networking concepts will help you follow the signaling flows and architecture discussions.
No prior knowledge of CUPS, PFCP, or 5G Core is required-everything is explained step by step throughout the course.
Description
EPC CUPS Masterclass: The Missing Link Between 4G EPC and 5G Core
Most telecom engineers understand4G EPC.
Many have also learned5G Core.
But very few truly understandwhat happened between them.
Why was Control and User Plane Separation (CUPS) introduced?
Why wasn't the traditional EPC architecture enough for 5G?
How did CUPS become the architectural foundation that enabled the 5G Core Service-Based Architecture (SBA)?
This course answers these questions by taking you on the complete architectural journey from the monolithic 4G EPC to the cloud-native 5G Core.
Rather than simply introducing new network functions, you'll first understand the real engineering challenges that operators faced-scalability, latency, centralized gateways, and deployment limitations-and then discover how CUPS solved these problems and paved the way for modern mobile core networks.
Throughout the course, you'll gain both conceptual understanding and practical technical knowledge, including
Traditional EPC architecture and its limitations
Control Plane vs. User Plane fundamentals
Why monolithic gateways became a bottleneck
Asynchronous scaling and latency challenges
CUPS architecture and functional split
S-GW-C / S-GW-U and P-GW-C / P-GW-U
PFCP protocol and the N4 interface
PFCP Association and Session procedures
Packet Detection Rules (PDR)
Forwarding Action Rules (FAR)
QoS Enforcement Rules (QER)
Practical PFCP signaling flows
Mobile Edge Computing (MEC)
The evolution from EPC CUPS to 5G Core
Service-Based Architecture (SBA)
AMF, SMF, UPF, PCF and NRF
Cloud-native principles, microservices, and service discovery
Network Slicing concepts and architectural evolution
Every topic is explained using clear diagrams, signaling procedures, practical examples, and real telecom scenarios to ensure you understand not onlyhow the network operates, but alsowhy the industry evolved in this direction.
This course is designed to bridge the knowledge gap between existing 4G EPC and 5G Core training, giving you the architectural understanding that is often missing from traditional telecom courses.
Whether you're preparing for interviews, working on LTE or 5G deployments, or simply want to deepen your knowledge of mobile core networks, this course will provide the missing architectural foundation needed to understand modern telecom networks with confidence.
Who this course is for
Telecom engineers who want to understand the architectural evolution from 4G EPC to the 5G Core.
LTE/EPC engineers looking to master CUPS, PFCP, and the technologies that paved the way for 5G.
5G Core engineers who want to understand why CUPS was introduced and how it influenced modern mobile networks.
Telecom professionals preparing for technical interviews or working on LTE, EPC, and 5G Core deployments.
Students and graduates specializing in mobile communications who want a deeper understanding of core network evolution.
Anyone who already knows the basics of 4G EPC or 5G Core and wants to bridge the knowledge gap between them.
Homepage

https://www.udemy.com/course/epc-cups-masterclass-the-missing-link-between-4g-epc-and-5g

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