Post on 15-Jul-2015
GRUPPO TELECOM ITALIA
Spreading NFV through the Network:the ETSI NFV use cases
Open Networking Summit 201404 March 2014
Andrea Pinnola – Telecom ItaliaTechnology Plan and Standard Coordination Team
Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Overview of NFV Use Cases
Telecom Italia - All rights reserved
Can be divided in two logical groups
‘Architectural Use Cases’
• Network Functions
Virtualisation IaaS
• Virtual Network Function ‘aaS’
• Virtual Network PaaS
• VNF Forwarding Graphs
‘Service Oriented Use Cases’
• Mobile core network and IMS
• Mobile base stations
• Home environment
• CDNs
• Fixed Access Network
Note: not in this grouping and order in the Use Case Document
Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
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Service Oriented Use Cases
Telecom Italia - All rights reserved
CoreMobile
Access
Fixed
Access
Mo
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Fix
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Mobile core network and IMS Elastic, scalable, more resilient EPC
Specially suitable for a phased approach
CDNs Better adaptability to traffic surges
New collaborative service models
Home environment L2 visibility to the home
network
Smooth introduction of residential services
Mobile base stations• Evolved Cloud-RAN
• Enabler for SON
Fixed access network
Offload computational intensive optimization
Enable on-demand access services
Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Architectural UC: NFV Infrastructure as a Service
Telecom Italia - All rights reserved
NFV IaaS
EPBEPA
EPDEPC
Should permit a Service Provider to fulfill, assure and bill for services delivered
to end users across NFVI’s that are independently administered
EP: End Point
Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Architectural UC: VNF as a Service
Telecom Italia - All rights reserved
NFV IaaS
VNF
VNF aaS
EPBEPANFA NFB
Permit to access VNFs to perform some kind of service chaining with other
generic network functions
EP: End Point
Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Architectural UC: Virtual Network Platform as a Service
Telecom Italia - All rights reserved
The VNPaaS provides a larger scale service providing a virtual network rather than
a single virtual network function
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Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Architectural UC: VNF Forwarding Graphs
Telecom Italia - All rights reserved
Allows composition of VNFs into a Service: a "service chain" is the Network Function
forwarding graph that defines the sequence of NFs that packets traverse
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Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Benefits & Challenges: Major Release Change
Telecom Italia - All rights reserved
Today: shutting down nodes / modules and changing release (days/ hours)
OLD OLD NEW NEWOLDCha
nge
Cha
ngeNEW
Tomorrow: create new VNF, verify, divert traffic progressively (minutes) delete old
Traffic
OLD NEW
Traffic
Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Benefits & Challenges : Continuous Delivery
Telecom Italia - All rights reserved
Continuous Delivery:
• No need to wait for major release changes to introduce enhancements
• Enabling A/B Testing of Service Concepts & Service Personalisation
Enterprise
Customer AEnterprise
Customer A
Enterprise
Customer B
Enterprise
Customer B
Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Benefits & Challenges: Scaling in and out
Telecom Italia - All rights reserved
Your NETWORK at 8:00
Your NETWORK at 20:00
Your NETWORK at 12:00
Automation is key
Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Reference to the Official ETSI NFV Public Page
Telecom Italia - All rights reserved
http://www.etsi.org/technologies-clusters/technologies/nfv
Open Networking Summit 2014
Spreading NFV through the Network: the ETSI NFV Use Cases
Telecom Italia - All rights reserved
THANK YOU
andrea.pinnola@telecomitalia.it