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Achim Autenrieth, ADVA Optical Networking
OIDA Software Defined Photonic and Data Center Networks Workshop
09 March 2014, Moscone Center, San Francisco, USA
SDN and Photonics
for Dynamic Cloud Connectivity
© 2014 ADVA Optical Networking. All rights reserved.22
Cloud Connectivity: What Is Hot?
Cloud services drive demand for dynamic high-speed data center connectivity
Network Virtualization
Programmable WAN connectivity
with open SDN implementation
Business Continuity
Low-latency connectivity for
synchronous mirroring and
disaster recovery solutions
Mega Data Center Connectivity
Cost-, space- and power-efficient
high-capacity transport
Cloud and traditional
data center growth
“Cloud data center traffic will grow 6-fold
from 2011 to 2016 reaching ca. 5 ZB”
Source: Global Cloud Index 2012, Cisco
Data Center Connectivity
© 2014 ADVA Optical Networking. All rights reserved.33
NMS / CP / SDN
Mission
Key Facts
SDN for Optical Data Center Connectivity
• Cloud Bursting
• Secure multi-
tenancy
• Dynamic optical
connectivity
• Global network
visibility with
“real-time”
control
• De-couple virtual
from physical
network
From cloud access to optical
Terabit/s connectivity
Use Cases and Drivers
Requirements
DC Site 1
MAN / WAN
DC Site NEnterprise
Tenant B cloud
Tenant C cloud
SDN turns the network into a programmable resource
Tenant A cloud
• Network
Abstraction
• Virtualization
• Open &
standardized
interfaces
• Multi-tenancy
capability
• Integration
with existing
OSS / NMS /
CP
© 2014 ADVA Optical Networking. All rights reserved.44
Transport SDN – Early Attempts
“If all you have
is a hammer,
everything looks
like a nail.”
Abraham Maslow, 1966
Transport SDN is much more than OpenFlow and protocol extensions.
© 2014 ADVA Optical Networking. All rights reserved.55
“Legacy”Transport
Network
programmability
HW abstraction
and virtualization
Centralized
management & control
Flow/circuit oriented
data plane
SDN vs. “Legacy” Optical Transport
Separation of data
and control plane
Top-down approach: Facilitate optical layer virtualization & programmability.





SDN Principles
© 2014 ADVA Optical Networking. All rights reserved.66
• Orchestration ~ automated configuration / coordination /
management of complex systems, devices or systems, can present or
deploy autonomic control and elements of control theory.
• A higher level system is required for “end to end composition” or
virtual networks
• Abstraction of hardware and
virtualization enables
homogeneous service activation
processes
• Coordinate the deployment
of services controlled by
either GMPLS or OpenFlow
Key Business Driver
End to End Service Orchestration
DC
Eth. Aggr.
OpenFlow-
controlled
Ethernet
Aggregation
WAN
GMPLS-controlled
virtual (o real)
WSON/SSON
GMPLS
Cloud Computing
Orchestration
OVS
OpenFlow-
controlled
Ethernet/L2
Switches
Controller
OpenFlow
OVS
OVS
Broker PCE
Controller
OpenFlow
© 2014 ADVA Optical Networking. All rights reserved.77
Direct
Optical Transport and SDN
Direct vs. Indirect Model
• How to best extend SDN to transport layer?
• Direct control yields potential benefits at cost of complexity and latency
• Indirect control is easier to implement, and provides a migration path
• Network Hypervisor key element to provide network abstraction,
virtualization, and multi-tenancy in abstract model
SDN Controller
(Abstract Model)SDN Controller
(Direct Model)
Abstract (Overlay)
Network
Hypervisor
Finding the appropriate level of abstraction is key to virtualization
© 2014 ADVA Optical Networking. All rights reserved.88
8
Abstract Model –
Topology Virtualization Options
Abstract Link
• “You can reach this destination across
this domain with these characteristics”
• Paths in the optical domain become
links in the virtual topology
• Allows vendor indepedent constraint
modelling
Virtual Node
• Hierarchical abstraction
• Presents subnetwork as a virtual
switch
• Simple model, but can be deceptive
• No easy way to advertise “limited cross-
connect capabilities”
Virtual Node aggregation
hides internal connectivity
issues and physical
constraints
Abstract Link aggregation
needs compromises and
frequent updates
See also: Aihua Guo, "Network Virtualization", OFC 2014, Monday, M2B.5
© 2014 ADVA Optical Networking. All rights reserved.99
How Transport Fits in SDN Model
Network
Hypervisor
Hypervisor
Orchestration
User
Interfaces
3rd Party
Apps
Open for
innovation
SDN Controller Optical Network Controller
Management
Fault & Alarms
Configuration
Accounting
Performance
Security
Control
Topology Disc
Path Compute
Provisioning
Resource Mgr
Policy Mgr
Database
Flow DB
Topology DB
Resource DB
Policy DB
Optical Network Hypervisor
Storage Compute Network
Optical
Network
Network Hypervisor virtualizes the optical network and presents an
abstracted view to the SDN controller
© 2014 ADVA Optical Networking. All rights reserved.1010
Optical Network Hypervisor
WAN is exposed as virtual topology using OpenFlow or Restful API.
SDN
Controller #2
SDN
Controller #1
SDN
Controller #3
SDN
Controller #4
Optical Network Controller / HyperVisor
FSP SW Suite
SNMP,
NETCONF
OF, NETCONF,
RESTful API
OF,
NETCONF,
PCEP
OF, PCEP
GMPLS-ENNI, BGP-LS
SNMP,
MTOSI
OpenFlow PCEP GMPLS-ENNIBGP-LS NETCONF/YANG
REST
AbstractionPhysicalressourcesDerivedtopology
© 2014 ADVA Optical Networking. All rights reserved.1111
Network Operation Evolution with
Software-Defined Networking
Network & Service
Mgmt & Apps Control Plane SDN
Existing NM & CP software portfolio will be extended
and complemented with new SDN-based software modules
Abstraction & Virtalization
End-to-End Service Orchestration
Network Programmability
aautenrieth@advaoptical.com
Thank You
IMPORTANT NOTICE
The content of this presentation is strictly confidential. ADVA Optical Networking is the exclusive owner or licensee of the content, material, and information in this
presentation. Any reproduction, publication or reprint, in whole or in part, is strictly prohibited.
The information in this presentation may not be accurate, complete or up to date, and is provided without warranties or representations of any kind, either express or
implied. ADVA Optical Networking shall not be responsible for and disclaims any liability for any loss or damages, including without limitation, direct, indirect, incidental,
consequential and special damages,
alleged to have been caused by or in connection with using and/or relying on the information contained in this presentation.
Copyright © for the entire content of this presentation: ADVA Optical Networking.

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SDN and Photonics for Dynamic Cloud Connectivity

  • 1. Achim Autenrieth, ADVA Optical Networking OIDA Software Defined Photonic and Data Center Networks Workshop 09 March 2014, Moscone Center, San Francisco, USA SDN and Photonics for Dynamic Cloud Connectivity
  • 2. © 2014 ADVA Optical Networking. All rights reserved.22 Cloud Connectivity: What Is Hot? Cloud services drive demand for dynamic high-speed data center connectivity Network Virtualization Programmable WAN connectivity with open SDN implementation Business Continuity Low-latency connectivity for synchronous mirroring and disaster recovery solutions Mega Data Center Connectivity Cost-, space- and power-efficient high-capacity transport Cloud and traditional data center growth “Cloud data center traffic will grow 6-fold from 2011 to 2016 reaching ca. 5 ZB” Source: Global Cloud Index 2012, Cisco Data Center Connectivity
  • 3. © 2014 ADVA Optical Networking. All rights reserved.33 NMS / CP / SDN Mission Key Facts SDN for Optical Data Center Connectivity • Cloud Bursting • Secure multi- tenancy • Dynamic optical connectivity • Global network visibility with “real-time” control • De-couple virtual from physical network From cloud access to optical Terabit/s connectivity Use Cases and Drivers Requirements DC Site 1 MAN / WAN DC Site NEnterprise Tenant B cloud Tenant C cloud SDN turns the network into a programmable resource Tenant A cloud • Network Abstraction • Virtualization • Open & standardized interfaces • Multi-tenancy capability • Integration with existing OSS / NMS / CP
  • 4. © 2014 ADVA Optical Networking. All rights reserved.44 Transport SDN – Early Attempts “If all you have is a hammer, everything looks like a nail.” Abraham Maslow, 1966 Transport SDN is much more than OpenFlow and protocol extensions.
  • 5. © 2014 ADVA Optical Networking. All rights reserved.55 “Legacy”Transport Network programmability HW abstraction and virtualization Centralized management & control Flow/circuit oriented data plane SDN vs. “Legacy” Optical Transport Separation of data and control plane Top-down approach: Facilitate optical layer virtualization & programmability.      SDN Principles
  • 6. © 2014 ADVA Optical Networking. All rights reserved.66 • Orchestration ~ automated configuration / coordination / management of complex systems, devices or systems, can present or deploy autonomic control and elements of control theory. • A higher level system is required for “end to end composition” or virtual networks • Abstraction of hardware and virtualization enables homogeneous service activation processes • Coordinate the deployment of services controlled by either GMPLS or OpenFlow Key Business Driver End to End Service Orchestration DC Eth. Aggr. OpenFlow- controlled Ethernet Aggregation WAN GMPLS-controlled virtual (o real) WSON/SSON GMPLS Cloud Computing Orchestration OVS OpenFlow- controlled Ethernet/L2 Switches Controller OpenFlow OVS OVS Broker PCE Controller OpenFlow
  • 7. © 2014 ADVA Optical Networking. All rights reserved.77 Direct Optical Transport and SDN Direct vs. Indirect Model • How to best extend SDN to transport layer? • Direct control yields potential benefits at cost of complexity and latency • Indirect control is easier to implement, and provides a migration path • Network Hypervisor key element to provide network abstraction, virtualization, and multi-tenancy in abstract model SDN Controller (Abstract Model)SDN Controller (Direct Model) Abstract (Overlay) Network Hypervisor Finding the appropriate level of abstraction is key to virtualization
  • 8. © 2014 ADVA Optical Networking. All rights reserved.88 8 Abstract Model – Topology Virtualization Options Abstract Link • “You can reach this destination across this domain with these characteristics” • Paths in the optical domain become links in the virtual topology • Allows vendor indepedent constraint modelling Virtual Node • Hierarchical abstraction • Presents subnetwork as a virtual switch • Simple model, but can be deceptive • No easy way to advertise “limited cross- connect capabilities” Virtual Node aggregation hides internal connectivity issues and physical constraints Abstract Link aggregation needs compromises and frequent updates See also: Aihua Guo, "Network Virtualization", OFC 2014, Monday, M2B.5
  • 9. © 2014 ADVA Optical Networking. All rights reserved.99 How Transport Fits in SDN Model Network Hypervisor Hypervisor Orchestration User Interfaces 3rd Party Apps Open for innovation SDN Controller Optical Network Controller Management Fault & Alarms Configuration Accounting Performance Security Control Topology Disc Path Compute Provisioning Resource Mgr Policy Mgr Database Flow DB Topology DB Resource DB Policy DB Optical Network Hypervisor Storage Compute Network Optical Network Network Hypervisor virtualizes the optical network and presents an abstracted view to the SDN controller
  • 10. © 2014 ADVA Optical Networking. All rights reserved.1010 Optical Network Hypervisor WAN is exposed as virtual topology using OpenFlow or Restful API. SDN Controller #2 SDN Controller #1 SDN Controller #3 SDN Controller #4 Optical Network Controller / HyperVisor FSP SW Suite SNMP, NETCONF OF, NETCONF, RESTful API OF, NETCONF, PCEP OF, PCEP GMPLS-ENNI, BGP-LS SNMP, MTOSI OpenFlow PCEP GMPLS-ENNIBGP-LS NETCONF/YANG REST AbstractionPhysicalressourcesDerivedtopology
  • 11. © 2014 ADVA Optical Networking. All rights reserved.1111 Network Operation Evolution with Software-Defined Networking Network & Service Mgmt & Apps Control Plane SDN Existing NM & CP software portfolio will be extended and complemented with new SDN-based software modules Abstraction & Virtalization End-to-End Service Orchestration Network Programmability
  • 12. aautenrieth@advaoptical.com Thank You IMPORTANT NOTICE The content of this presentation is strictly confidential. ADVA Optical Networking is the exclusive owner or licensee of the content, material, and information in this presentation. Any reproduction, publication or reprint, in whole or in part, is strictly prohibited. The information in this presentation may not be accurate, complete or up to date, and is provided without warranties or representations of any kind, either express or implied. ADVA Optical Networking shall not be responsible for and disclaims any liability for any loss or damages, including without limitation, direct, indirect, incidental, consequential and special damages, alleged to have been caused by or in connection with using and/or relying on the information contained in this presentation. Copyright © for the entire content of this presentation: ADVA Optical Networking.