accelerating the deployment of practical, programmable transport networks
TRANSCRIPT
Accelerating the Deployment of Practical, Programmable Transport Networks
Dave Brown
OIF VP of Marketing
Alcatel-Lucent
SDxCentral Webinar
December 2, 2015
Moving Transport SDN Forward OIF Activities
Completed:
SDN Reference Architecture
Carrier SDN Requirements
2014 Global Transport SDN Demo
Framework for Transport SDN
In-Progress:
• Transport API Implementation Agreements
• Virtual Transport Network Service Definition
• Transport SDN Operator’s Toolbox
• 2016 Global Transport SDN/NFV Demo Planning
2
SDN Reference Architecture Components of Transport SDN
Data Center
DC Mgt/
Controller
Orchestrator
Service
Application Plane
Mgt- &
Control-
Plane
Data
Plane
Service Service
Transport
TN Controller
Transport
Network
TN Controller
Mgt
TN Controller
Mgt
SDN southbound:
OF, XML, SNMP, PCEP, …
(could be NE-internal)
OF, MTOSI, REST, …
SDN northbound:
OGF NSI, …
DC Mgt/
ControllerDC Mgt/
Controller
Carrier Requirements: 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
2014 Global Transport SDN Demo
• Testing conducted in carrier labs
over 7 week period August-
September
• China Mobile, China Telecom, Deutsche
Telekom, TELUS, Verizon
• Participating vendors
• ADVA, Alcatel-Lucent, Ciena, Coriant, FiberHome, Fujitsu, Huawei, NEC, ZTE
• Consulting members
• China Academy of Telecommunications Research, KDDI R&D Laboratories, Orange
2014 Global Transport SDN Demo Outcome
Successful demonstration of SDN Architecture for carriers
• Can be realized over WAN and provide carrier benefits
• Highly flexible - multiple technology layers, multiple domains, greenfield
and brownfield
Identified a lack of definition for how user applications interact with
transport network applications and resource functions
• The programmability of Transport SDN requires some of the internal
interfaces used by ASON to become open
Whitepaper jointly published by OIF and ONF
OIF project started to develop API implementation agreements (IAs)
• Build on Service Request and Topology APIs prototyped in the demo
• Liaise and align with ONF
Transport SDN Framework
Validated in the OIF/ONF Prototype Demo in Fall 2014
Multi-layer control
Multi-vendor, Multi-domain Demo
• 5 Carrier Labs
• 9 Vendors
OpenFlow Optical Transport Extensions
Prototype NBI for Connectivity Service and Topology
Whitepaper available with details
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
Transport APIs Work in Progress
Northbound Interface – OIF API Project
• OIF Project to define API specs
• Based on OIF/ONF prototyping and testing of REST/JSON APIs
• Service Request, Topology, others
• Use ONF work on commonality across technologies
• Common Core Information Model
• Mapping to REST/JSON interfaces
Common Transport API
Virtual Transport Network Service Definition
Work in Progress An example service definition activity
Takes advantage of virtualization in SDN
Offer customers controllable network slice
Leased Line
VPN
VNS
Client site A
Client site B
Client site A
Client site B
Client site D
Client site C
Client site A
Client site B
Client site D
Client site C Virtual network with vNE & vLink
Client controller
Ctrl of virtual XC
Connection controlled by network providers
Renting P2P connections
Leasing virtual network (connection)
Leasing virtual network + connection control over the virtual network
Similar to SCS
(PVNS)
Static
Dynamic VNS
Virtual network with vNE & vLink
Client controller Rent virtual network
resources from provider
(SVNS)
Client site
Virtual network recursive creation
Client site Client site
Client site
Client site Client site Client site
Leasing virtual network + recursive virtual network creation
Transport SDN Toolkit Work in Progress
Essential tools for Transport SDN deployment • 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
Architecture
Identifiers
Discovery SCN APIs
Integration with MP
Interoperability demos
Security
2016 Global Transport SDN/NFV Demo In Early Planning Stage
OIF-managed, co-op with ONF/others, carrier-hosted
Target testing and readout timeframe - Fall 2016
Proposed use case - congestion-triggered transport
connection set-up
Potential test candidates:
• Standardized OpenFlow Optical extensions
• Based on Technical Spec issued by ONF
• IA work on Transport APIs
• Service Request, Topology, others
• Cooperative efforts by OIF and ONF, e.g., IM
• NFV application
