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OFC/NFOEC: Software Defined Optical Networks
1.
Software Defined Optical Networks Jim Theodoras March 2013
2.
What is SDN?
• Today, routers control themselves, passing messages between them • SDN separates the Control and Data planes • A separate, centralized controller then takes command Control Control Data Data Control Control Data Data Data Data Control Data Data 2 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
3.
SDN in a
Single Sentence • The hope/expectation of better efficiency/utilization through identifying flows of packets and making smarter holistic decisions • A good analogy would be the Air Traffic Control system * http://mattsflight.blogspot.com * http://virtualskies.arc.nasa.gov/atm/6. html * flightradar24.co m 3 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
4.
Benefits of Data
Center Interaction • Decades of work have yielded today’s agile core networks • Unfortunately, the information to make intelligent decision resides at higher layers • Problem made worse by today’s flow dominated traffic Gridless Hybrid ROADM EDFA/RAMAN Amp Intelligent MUX Router Coherent Router Receiver Agile Core Network 4 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
5.
Example of SP
Applications • Telefonica I&D – IP Offloading Manager • When traffic exceeds a threshold, an additional link is provisioned New circuit provisioning time Configured Threshold Circuit deprovisioning time 49 second bring-up Rollback Threshold 4 second teardown Fully automatic 5 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
6.
SDN for Dynamic
SP Infrastructure • Provisioning for peak traffic is losing battle, and only getting worse. • Answer is dynamic network infrastructure. Site B Site A Daytime Configuration 2 x 10G 1x 10G All Offices/Sites working 1x 10G Nighttime Configuration 1x 10G Backup between A/B Double the bandwidth Site C * Details to be announced at Internet2 April 2013. 6 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
7.
Direct vs Indirect
Model • How to best extend SDN to transport layer? • Direct control yields most potential benefits at cost of complexity and latency • Indirect control is easier to implement, but limits potential of future apps Orchestration Layer 7 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
8.
Breaking a Huge
Task into Layers • Transport Layer • Switching Layer • Orchestration Layer 8 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
9.
Breaking a Huge
Task into Layers • Transport Layer • Switching Layer PTX-LR2 • Orchestration Layer 100G OTN 10GE DWDM Shelf PTX-LR1 PTX3000 DWDM Shelf FSP3000 DWDM Shelf 100G OTN 10GE 10GE 100GE 9 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
10.
Breaking a Huge
Task into Layers • Transport Layer • Switching Layer • Orchestration Layer 10 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
11.
SDN and Optical,
the Perfect Match • Virtualization beyond Data Center boundaries 11 © 2013 ADVA Optical Networking. All rights reserved. Confidential.
12.
Thank you info@advaoptical.com 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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