CONTENTS
In late 2014, the European Telecommunications Standards Institute (ETSI) Mobile Edge Computing Industry Specification Group (MEC ISG) initiated the mobile edge computing (MEC) concept.
The main objectives of MEC are: optimization of mobile resources by hosting compute-intensive applications, pre-processing of the large data before sending it to the cloud, enabling cloud services within the close proximity of mobile subscribers, and providing context-aware services with the help of radio access network information.
In doing so, MEC enables a wide variety of applications, e.g. where real-time responses are strictly required, e.g. applications for driverless vehicles, virtual reality and augmented reality (VR/AR), robotics, and immerse media.
ETSI ISG officially changed the name of mobile edge computing to mean multi-access edge computing in 2017.
PREREQUISITES
NFV knowledge is recommended but not compulsory. Apis’ 5G System Overview is highly recommended for background knowledge.
Background and Introduction to Edge Computing
- What is ETSI MEC?
- Host, Platform and Applications
Services
- Discovery and Registration
- DNS handling
- Traffic Rules
- Radio Network Information Services, RNIS
- Location Services
- UE id
- BW Management
MEC Architecture
- Mobile Edge Platform
- Mobile Edge Platform Manager
- Mobile Edge Orchestrator
MEC in Network Function Virtualization (MEC)
- OSS/BSS
- Network Function Virtualization Orchestrator, NFVO
- Virtual Network Function Manager, VNFM
- Mobile Edge Platform Life Cycle Manager, MEP LCM
- Virtual Network Function Manager, VNFM
- Multi-access Edge app LCM
Deployment of MEC in 5G
- Deployment scenarios
- Traffic steering
- UE and application mobility
- Capabilities exposure
3GPP System & Services Architecture 6 (Rel 17)
- 5G Service Enabler Architecture Layer, SEAL, enabling common capabilities for quicker onboarding of new Verticals
- Common API Framework to aid 3rd party applications access to 3GPP functions, CAPIF
- Edge Computing enables deployment of Edge Apps, EDGEAPP, in compliance with 3GPP System for low latency and increased performance
MEC Use Cases in 5G
- NEF, PCF, AMF, SMF, UPF
- Application instantiation on MEC host
- Traffic steering to the MEC host
- Location updates and mobility events to MEC
- Application offloading to a new MEC host
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