1 | Infinera Confidential & Proprietary
Extending SDN
into the Transport Network
Nanog 59
Wayne Wauford
Infinera
2 | Infinera Confidential & Proprietary
Why is the Industry Interested in SDN?
IntegrationofNetworkwithIT
Business Applica...
3 | Infinera Confidential & Proprietary
SoftwareDefined Networking
Open Network,Spur Innovation,Drive CostReduction
Packet...
4 | Infinera Confidential & Proprietary
Packet World
• Connectionless
• Enterprise origins
• Dynamic flows
• Innate contro...
5 | Infinera Confidential & Proprietary
• Application-driven bandwidth
• Centralized, integrated, uniform network view, ac...
6 | Infinera Confidential & Proprietary
Transport SDN Vision Multi-layer, Multi-Domain,Multi-
Vendor Networking
Domain 1 D...
7 | Infinera Confidential & Proprietary
Network Virtualization & SP
Data Center Interconnection
Provider Network
Enterpris...
8 | Infinera Confidential & Proprietary
Extending SDN to Transport
Open & ProgrammableNetworking
 P-OTN convergence
enabl...
9 | Infinera Confidential & Proprietary
Open Transport Switch
Abstract & Simplify
OTS-Mgmt
Agent
OTS-Control
Agent
OTS-Dat...
10 | Infinera Confidential & Proprietary
Transport SDN Control Plane Models
SDN Controller
Explicit (Direct) Model
OpenFlo...
11 | Infinera Confidential & Proprietary
 Dynamically configurable
transport network
 Customer managed
Bandwidth on Dema...
12 | Infinera Confidential & Proprietary
ESnet Transport SDN Demo Configuration
bnl-tb-wdm-3 bnl-tb-wdm-4
40G
100G
20G 20G...
13 | Infinera Confidential & Proprietary
 Lowers opex via open multi-layer, multi-vendor, multi
domain orchestration
 Lo...
of 13

Extending SDN into the Transport Network

Presented by Wayne Wauford, Director, Product Marketing, at NANOG 59 in Phoenix, Arizona.
Published on: Mar 3, 2016
Published in: Technology      
Source: www.slideshare.net


Transcripts - Extending SDN into the Transport Network

  • 1. 1 | Infinera Confidential & Proprietary Extending SDN into the Transport Network Nanog 59 Wayne Wauford Infinera
  • 2. 2 | Infinera Confidential & Proprietary Why is the Industry Interested in SDN? IntegrationofNetworkwithIT Business Applications Orchestration VM Hypervisor Controller Network Resources IT Resources  CapEx savings via virtualization & sharing  Accelerate introduction of new services across whole network  Automate workflow processes to reduce OpEx & scale operations  Optimize resource consumption via global view of resources Network Svcs SDN Control Layer
  • 3. 3 | Infinera Confidential & Proprietary SoftwareDefined Networking Open Network,Spur Innovation,Drive CostReduction Packet Forwarding HW Packet Forwarding HW Ap p Ap p Ap p Packet Forwarding HW Ap p Ap p Ap p Operating System Operating System Operating System • Tight linkage between OS and switch • Features locked in distributed control plane • Rigid & un-customizable • Vendor in control Features take a long time Source: ONF Tutorial, Open Network Summit 2012 APP APP APP App Simple Packet Forwarding HW Simple Packet Forwarding HW App Simple Packet Forwarding HW SDN Control Layer Open interface to HW Open API Innovation! Separation of control from data plane Open interface to switches Centralized view of network Programmability and Innovation
  • 4. 4 | Infinera Confidential & Proprietary Packet World • Connectionless • Enterprise origins • Dynamic flows • Innate control plane (EMS/NMS independent) • Numerous distributed CP solutions • Monolithic, closed systems Transport World • Connection (circuit) oriented • Service provider origins • Static pipes • EMS/NMS + Cross-connect paradigm • Nascent CP (GMPLS) • Open, programmable systems NetworkProgrammability - The Transport World is Different Historically, transport networks have been programmable.
  • 5. 5 | Infinera Confidential & Proprietary • Application-driven bandwidth • Centralized, integrated, uniform network view, across layers & vendors Network Virtualization & Programmability • Globalized multi-layer, multi-domain service orchestration & optimization • Simplify & automate workflow operations Enhance Capital Efficiency & Streamline Operations Motivations for Extending SDN to Transport
  • 6. 6 | Infinera Confidential & Proprietary Transport SDN Vision Multi-layer, Multi-Domain,Multi- Vendor Networking Domain 1 Domain 2 WDM OTN IPVendor A Vendor B Vendor X Vendor Y = SDN Control A B C D IHGFE J K L M RQPON Applications see simple, flat virtual network Centralized SDN controller Data Center Data Center • Multi-layer integration & Optimization • Virtual Network Slicing (NaaS) • Application driven Bandwidth • Inter-domain connection management
  • 7. 7 | Infinera Confidential & Proprietary Network Virtualization & SP Data Center Interconnection Provider Network Enterprise Networks ONF Optical Transport Use Cases SDN Controller Client Controller Network Provider Controller Packet-Optical Integration Provider Network Transport Network Packet Network Client Controller Network Provider Controller* Transport Network Controller Packet Network Controller Optimization *May one or multiple systems
  • 8. 8 | Infinera Confidential & Proprietary Extending SDN to Transport Open & ProgrammableNetworking  P-OTN convergence enables flexibility & agility  SDN unifies control over multi-layer, multi-vendor network  Abstraction simplifies network representation  Benefits: • Rapid & Flexible Bandwidth • Simplify/Automate Operations • Global resource optimization • Speed New Service Deployment Business Applications Transport SDN Control Layer Network Abstractions Discover, Monitor, Control • Multi-layer • Multi-vendor • Multi-domain Packet, OTN, Optics Transport Network Control API NB API Control + Apps Virtualization
  • 9. 9 | Infinera Confidential & Proprietary Open Transport Switch Abstract & Simplify OTS-Mgmt Agent OTS-Control Agent OTS-Data Agent Control Plane Monitoring Discovery & Configuration Provisioning (OpenFlow) SDN Controller Data Forwarding Plane Physical Interfaces N Internal Comms Common interface, user request mediation, network virtualization • Lightweight virtual switch representation • Capabilities exposed depends on NE • Discovery, Configure, Provision, Monitor • Runs on NE or in the cloud • Embeds open control onto the platform
  • 10. 10 | Infinera Confidential & Proprietary Transport SDN Control Plane Models SDN Controller Explicit (Direct) Model OpenFlow • Network abstraction per domain • Leverages existing control plane POTN OTS P-OTN LSR LSR ENET OTS OTS MPLS LSR Ethernet LSR OTS LSR OTS POTN OTS POTN OTS POTN OTS OTS ENET OTS ENET OTS ENET OTS POTN POTN POTN OTS P-OTNLSR LSR LSR LSR ENET ENET ENET ENET OTS OTS OTS MPLS LSR Ethernet Implicit (Indirect) Model OpenFlow SDN Controller • Network abstraction per domain • Multi-domain orchestration • Leverage existing control plane POTN OTS • Centralization of all network control • Individually controlled NE’s • Hop-by-hop provisioning MPLS CP GMPLS CP Hybridized network control model combines best of both worlds
  • 11. 11 | Infinera Confidential & Proprietary  Dynamically configurable transport network  Customer managed Bandwidth on Demand  Same approach can be used for other applications • Network-as-a-Service (NaaS) • Increased L3/L2 VPN capacity • Reconfiguring transport network after router failure Transport SDN Data CenterRelatedApplications Virtual Network Slice Client Controller 20G  Network Provider Controller L1 VPN APP
  • 12. 12 | Infinera Confidential & Proprietary ESnet Transport SDN Demo Configuration bnl-tb-wdm-3 bnl-tb-wdm-4 40G 100G 20G 20G 20G L1 Tunnel  SDN Controller communicating with transport network via OpenFlow extensions  Bandwidth on Demand application for Big Data RDMA transport  3 physical transport path options (with varying latencies)  Implicit & explicit provisioning of 10GbE/40GbE services demonstrated Topology Monitoring App BW on Demand App ESnet SDN Controller Mellanox Mellanox Path #1 Path #2 Path #3 ESnet LIMAN Production Network Brookhaven National Laboratory Testbed
  • 13. 13 | Infinera Confidential & Proprietary  Lowers opex via open multi-layer, multi-vendor, multi domain orchestration  Lowers capex by optimizing flows across layers  Speeds service delivery for internal Data Center customers  Makes transport resources dynamic & visible to applications  Creates the ability to easily slice the network Summary ExtendingSDN to Transporthas significantbenefits

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