Cloud computing, edge computing, and media on cloud Imed Bouazizi 12/10/2019 Portland, OR
Cloud computing, edge computing, and media on cloudImed Bouazizi
12/10/2019 Portland, OR
2
Edge Computing - Enablers and Applications
(courtesy of Linux Foundation)
3
Compute Opportunities in 5G
cRAN
vRAN
LTE, 5G,
FWA
Inte
rne
t/Pu
blic
Clo
ud
UPF
AMF
MEC
IMS
UDM
Flexible
placement
5G brings compute power to all levels of the network
True
Edge CoreMetro
Edge
Cloud
4
3GPP SA6 Edge Architecture
Edge Data NetworkUE 3GPP Network
Application Client(s)
Edge Application
Server(s)
Edge Enabler Server
Application Data Traffic
Edge Enabler Client
EDGE-2
EDGE-1
EDGE-3
Edge Data Network Configuration Server
EDGE-4
EDGE-5
EDGE-7
EDGE-6
5
5G Media Architecture
UE
UE External
Media Functions
(e.g. an App)
5G Media
Functions
(Trusted)
Trusted Media
Functions
PCF
Network
External Media
Application
Servers
NEFNot in 5GMS scope except
usage guidelines
Not in 5GMS scope
except usage guidelines
Media
Control
Media AF
(e.g. NA AF)
Media AS
M4d
M5d/ 6d/ 7d
M1d
M8d/ 9d/ 10d
API Provider
M2d
M3d
6
Edge Processing with 5G Network Slicing
Operator
Cloud / EdgeOther Cloud Platforms
Kubernetes / OpenStack / ETSI MANO
Networking Security StorageInfrastructure
Automation
Tailor-
made
Media
Content
ProvidersContent
UE
Information
• Traffic Routing:
◦ Through appropriate Filtering rules, traffic is routed to an edge network (e.g. LADN)
◦ Through appropriate DNS resolution, an Application Server is selected in the LADN
◦ If no AS instance is running, AF together with Orchestrator launch a new instance of the AS
• Slice Configuration:
◦ AS criteria and requirements
◦ DNS resolution rules
◦ AF configuration to manage AS
7
Edge Platform Fragmentation
Abstraction Layer
MEC Platform Cloud Platform
5G Internet
UE Service Provider
Standardized Interfaces and SDKs
8
Network-Based Media Processing (NBMP)
• MPEG is defining a Media Processing layer ◦ Cloud Platform-agnostic
◦ Can run on top of 5G Core and other cloud services
• Interfaces for Control Plane◦ Workflow description and control
◦ Load customized media processing
◦ Configure discovery and placement of media processing
◦ Build media processing pipeline from existing and custom processing entities
• Interfaces for User Plane• Formats for media and metadata
9
NBMP Architecture
10
NBMP Workflow Graph
11
Hierarchical Structure
Workflow Description Document
(WDD)
1 Workflow Description (WO) object/element
Workflow Resource (WR)
TaskDescription Document
(TDD)
1 Task Description (TO)Object/element
TaskResource (TR)
FunctionDescription Document
(FDD)
One or more Function Description (FO)
Objects/elements
FunctionDescriptor (TR)
Workflow Description (WD)
Task Description (TD) Function Description (FD)
General Descriptor
InputDescriptor
OutputDescriptor
ProcessingDescriptor
RequirementDescriptor
Logical items
JSON objects/XML Documents
RESTresources
Parameters
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12
5G Media Overview with NBMP
NBMP
5G MediaAS
LADN
AS
UPF
SMF PCF
DN
Processing
EntityProcessing
Entity
NBMP Workflow Controller
AF
13
NBMP Mapping
Workflow ManagerFunction Repository
14
Edge Placement
Media PreparationTelco
CDNEdge ProcessingOn-prem
Processing
15
Discussion
How to monetize the edge? 3
4What role can key players such as cloud service providers play and how can they work with the MNOs?
2
1
What is the best way to split workload between cloud, edge, and device?
How to deal with security aspects between content/application provider and MNO?
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