The Impact of Advanced Optical Technologies on Transport SDN

Achim Autenrieth, ADVA Optical Networking

FIA - FUTURE INTERNET ASSEMBLY Athens, 20/03/2014

The Impact of Advanced Optical Technologies on Transport SDN

© 2014 ADVA Optical Networking. All rights reserved.22

http://www.ict-strauss.eu @ICTstrauss

• Project Facts• Start Date: 1/6/2013• Duration: 36M• EU Funding: 1.49 M€• JP Funding: 2.82 M€

• EU CONSORTIUM• CTTC (ES) • ADVA Optical Networking (DE),• Telefónica I+D (ES) • University of Bristol (UK)• Fraunhofer – HHI (DE)

• JP CONSORTIUM• Osaka University• KDDI R&D Laboratories Inc.• Fujitsu Ltd.

• Contact:• Raul Muñoz, CTTC• Ken-ichi Kitayama, Osaka University

Scalable and Efficient Orchestration of Ethernet Services Using Software-defined and Flexible Optical Networks

Industrial Partners

Research Centers

Universities


Design, Integration and Development of

• Service and network orchestration layer • interworking and coordination of heterogeneous control plane and

transport technologies to offer end-to-end Ethernet transport services.

• Optical Packet Switching (OPS) nodes for aggregation networks

• Flex-grid DWDM Optical Circuit Switching (OCS) for metro and long haul transport

• Virtualization layer for dynamic and on-demand partitioning of the optical infrastructure, offering virtual optical Ethernet transport networks (slices)

• Legacy (e.g. GMPLS) and new (e.g. OpenFlow based) control plane approaches for the control and management of virtual slices

STRAUSS Project Objectives


NMS / CP / SDN

Mission Key Facts

Transport SDN for Flexible Optical Networks

• Datacenter Connectivity

• Cloud Bursting

• Secure multi-tenancy

• Global network visibility with “real-time” control

• De-couple virtual from physical network

• NFV supportFrom cloud access to optical

Terabit/s connectivity

Use Cases and Drivers Enablers

DC Site 1

MAN / WAN

DC Site NEnterprise

Tenant B cloud

Tenant C cloudTenant A cloud

• Network Abstraction

• Virtualization

• Open & standardized interfaces

• Multi-tenancy capability

• Integration with existing OSS / NMS / CP

SDN turns the network into a programmable resourceSDN turns the network into a programmable resource


Advanced Optical Technologies

Symbol rate (SR) is additional parameter:

• 400G leverages 100G (~30GBd)

• 1T needs 2..3x SR (~75GBd)

50GHz spaced channels

Future higher-speed channels

Maximum spectral efficiency super-channels

Opti

cal Po

wer

l nm

C

Any Direction

WSS

WSS

WSS

WSS

λ1λ2 λ3

TX

WSS Any Color

MissionColorless, Directionless ROADMs

Flexible Grid Optical Layer

SW-Defined Transceivers

Optical Spectrum as a Service

From fixed DWDM to software-defined optical networking.From fixed DWDM to software-defined optical networking.


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. Transport SDN is much more than OpenFlow and protocol extensions.


“Leg

acy

” Tr

an

sport

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


Optical Network Hypervisor

WAN is exposed as virtual topology using OpenFlow or Restful API.

SDN Controller #2

SDN Controller #1

ProviderController

SDN Controller #3

Optical Network Controller / HyperVisorFSP SW Suite

SNMP, NETCONF

OF, NETCONF, RESTful API

OF,

NETCONF,

PCEP

OF, PCEP, NETCONFGMPLS-AL, BGP-LS

SNMP, MTOSI

OpenFlow PCEP GMPLS-ALBGP-LS NETCONF/YANG

REST

Ab

str

acti

on

Physi

cal re

ssourc

es

Deri

ved t

opolo

gy

GMPLS

TED LSPDB


STRAUSS SDN Orchestration Testbed

SDN Network Orchestration

ABNO Controller

PCE

GMPLS-enabled Flexi-grid

DWDM domain

Active StatefulPCE

TED LSPDBTED

Topology Server

VNTM

Topology Server OPS

Flow Server

Provisioning Manager

TREMA Controller

REST API

OpenFlow

OpenFlow-enabled

OPS/Flexi-grid

DWDM domain

NOX Controller

REST API

OpenFlow

OpenFlow-enabled OPS

DWDM domain

OpenFlowController

REST API

Network Hypervisor

OpenFlow + GMPLS enabled

DWDM domain

OCS

OPS OCS

TED LSPDB


Optical Transport Network Evolution withSoftware Defined Networking

Network & Service Mgmt & Apps Control Plane SDN

Existing NM & CP software portfolio will be extendedand complemented with new SDN-based software modules

Abstraction & Virtualization

End-to-End Service Orchestration

Network Programmability

Achim [email protected]

Thank You

IMPORTANT NOTICE

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The Impact of Advanced Optical Technologies on Transport SDN

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