The OIF gives update on Transport SDN at the IIR Next Generation Networking Congress

1. OIF Update on Transport SDN
John McDonough
OIF Vice President
NEC America
Next Generation Optical Networking Congress
22nd - 25th June 2015
Nice Acropolis

2. Agenda
Abstract
About the OIF
Why Does Transport Need SDN?
Challenges
Guidance to accelerate deployment
2014 Global Transport SDN Demonstration Addressing the Challenge
Multi – Domain Carrier Transport SDN Framework
Components of SDN Transport
Goal: Seamless Interworking
Moving Transport SDN Forward - OIF Activities
Carrier Requirements on Transport Networks in SDN Architectures
General Requirements
Putting the Pieces Together
Summary
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3. Abstract
Recent proof-of-concept and prototype technology demonstrations
have shown progress in the evolution to commercial SDN
deployment. Service providers, network element providers and
software vendors are collaborating in standards bodies, industry fora
and laboratories to identify and address technical and business
challenges standing in the way of even early market adoption.
In this session, the OIF reviews findings from its Global Transport SDN
Prototype Demo and outline steps aimed at clearing the roadblocks
to wide-scale transport SDN deployment.
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4. About the OIF
The Optical Internetworking Forum:
• Represents an end-to-end ecosystem
membership base…
• Focused on multi-layer and multi-
domain transport interoperability…
• Positioned at the industry
crossroads…
• Optimized for IA development and
interop testing…
• Fills gaps, removes obstacles…
• Accelerates market adoption and
ROI for new technologies…
• Improves network efficiency, lowers
Opex/Capex for network operators…
• Unlike any other forum or SDO
www.oiforum.com
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5. Why Does Transport Need SDN?
• Optical and transport networks continue to be difficult and expensive to
manage
• Many manual processes
• Very long provisioning times
• SDN and virtualization have the promise of:
• Simplifying optical transport network control
• Adding management flexibility
• Allowing the rapid development of new service offerings by enabling
programmable control of optical transport networks
• To improve optical networking operations cost and ROI by:
• Automating services provisioning and deployment
• Improving network resource utilization
4

6. Challenges
• Operational simplicity
• On-board new clients rapidly
• Differentiated service delivery
• Automate resource allocation on the fly
• Scalability
• Support X transactions per hour
• Security
• Service isolation and authentication per client
• Continuous Availability
• Disaster avoidance / recovery
• Current transport business model
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7. OIF is providing guidance to accelerate deployment
by Addressing some Challenges
Network
Orchestration
Controller
Hierarchy
Multi-domain
Architecture
SDN Framework
SDN APIs
Service Request
Path Computation
Topology
Providing carriers with essential tools in the
Transport SDN toolkit
• How to apply SDN to a carrier’s multi-domain, multi-layer
transport network
• Transport SDN API specifications to allow deployment of
SDN applications
• Prototyping and testing of real implementations for
experience and interoperability

8. 2014 Global Transport SDN Demonstration
Addressing the Challenge

9. Multi-Domain Carrier Transport SDN
Framework
Application Layer
• Business apps
• Network apps
• Orchestration
Isolated from
Controller
• Accesses
Control layer via
NorthBound
Interface such
as REST/JSON
Application
Layer
Control Layer
Infrastructure Layer
Domain 1
NE NE NE
Domain 2
NE NE NE
Domain 3
NE NE NE
Network
Orchestrator
Parent
Controller
Domain
Controller
Domain
Controller
Domain
Controller
SBI
NBI
SBI
Cloud
Orchestrator
Compute Storage

10. SDN Reference Architecture
Components of Transport SDN

11. Goal: Seamless Interworking
• Efficient, Agile Multi-layer, Multi-vendor, Multi-domain Carrier
Networks
Domain CDomain A Domain B
NE
NE
NE
NE
NE NE NE
NE
NE
NE NENE
UNI E-NNI UNIE-NNI
Client Client
Control
plane
Transport
plane
NM SDN
Domains can use Network Management, SDN or distributed control plane internally
Domains can use different technologies internally
No 1:1
relation
Apps &
Orchestration
app app app
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12. General Requirements
• Requirements are not aimed at a particular set of protocols,
HW and SW implementations
• Packet & circuit switching
• Centralized & distributed control instances
• Allow multiple protocols
• Modular SW and HW (COTS)
• Decoupling of network layers
• Guarantee interoperability among different vendor
implementations, carrier network domains, data center
functions, …
• Well defined interfaces for an increased level of interoperability

13. Moving Transport SDN Forward
OIF Activities
SDN Reference Architecture
Carrier SDN Requirements
Meaningful demo and testing in
carrier environment showing
• Status of technology
• Interfaces and interoperability
• Operation tools needed
• Pertinent use cases
Framework for Transport SDN
• Define framework
• Identify open interfaces
• SDN and ASON
• API implementation agreements
• Joint work with ONF
• Virtual Transport Network Service
definition
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Now available!

14. Carrier Requirements on
Transport Networks in SDN Architectures
• Based on contributions of major
carriers worldwide
• Comprises requirements on
Transport SDN
• Orchestrator (transport network
relevant part)
• Control and management
planes
• Data plane
• Being used as guidance within
OIF but also communicated to
other SDO’s and forums

15. OIF Implementation Agreements
OIF Networking Interoperability Demonstrations
Putting the Pieces Together
UNI 1.0
signaling
UNI 1.0r2/
E-NNI 1.0
signaling
E-NNI 1.0
routing
UNI 2.0
signaling
E-NNI 2.0
signaling
ASON/GMPLS
Interworking
2001 2014
E-NNI 2.0
routing
SUPERCOMM
Draft UNI 1.0
signaling
OFC
Draft E-NNI 1.0
signaling +
routing
SUPERCOMM
Draft EPL over
SONET/SDH +
EVPL data plane
ECOC
EPL over
SONET/SDH +
BW mod
Worldwide
EVPL over
transport +
restoration
OFC-NFOEC
Ethernet
services over
OTNv3
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Joint OIF-ONF
Cloud bursting
over optical
networks
PCE
E-NNI ML AM
UNI2.0 Ext.
SUPERCOMM
UNI/E-NNI 1.0
SONET/SDH +
EoS data plane

16. Summary
• SDN has great promise to improve transport control
• Programmability
• Simplified multi-layer control
• Common behaviors in heterogeneous NE deployments
• Application awareness
• OIF is providing guidance to accelerate deployment
• Use cases and architecture
• Carrier requirements
• Framework document
• Demonstrations
• Implementation Agreements

17. Thank You!
Would like to participate in these activities please contact the
below OIF website
www.oiforum.com