OFC/NFOEC 2012 Review on Multi-Layer Networks, Network - - PowerPoint PPT Presentation

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OFC/NFOEC 2012 Review on Multi-Layer Networks, Network - - PowerPoint PPT Presentation

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OFC/NFOEC 2012 Review on Multi-Layer Networks, Network Virtualization, and Survivability Ferhat Dikbiyik April 6, 2012 Group Meeting Presentation, Davis, CA Page 1 Sessions Reviewed Multi-Layer Awareness and Management (NFOEC)

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OFC/NFOEC 2012 Review on Multi-Layer Networks, Network Virtualization, and Survivability

Ferhat Dikbiyik April 6, 2012 Group Meeting Presentation, Davis, CA

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Sessions Reviewed

  • Multi-Layer Awareness and Management (NFOEC)
  • Optical Network Virtualization (OFC)
  • Designing Survivable Networks (NFOEC)
  • Next Generation Networks and Survivability (OFC)
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Sessions Reviewed

  • Multi-Layer Awareness and Management (NFOEC)
  • Optical Network Virtualization (OFC)
  • Designing Survivable Networks (NFOEC)
  • Next Generation Networks and Survivability (OFC)
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Multi-Layer Awareness and Management (NFOEC) Simulations of a Service Velocity Network Employing Regenerator Site Concentration

Mark D. Feuer, Sheryl L. Woodward, Inwoong Kim, Paparao Palacharla, Xi Wang, Daniel Bihon, Balagangadhar G. Bathula, Weiyi Zhang, Rakesh Sinha, Guangzhi Li and Angela L. Chiu AT&T Labs – Research Fujitsu Labs of America Columbia Univ., New York

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Simulations of a Service Velocity Network Employing Regenerator Site Concentration

Multi-Layer Awareness and Management (NFOEC)

  • “The transitions from today’s static networks (to

dynamic photonic networks), ….., has been stymied by a range of technology and cost issues.”

  • “Practical ROADM designs …. have been

published, and hardware is becoming commercially available, but challenges remain in

  • perational practices and business models.”
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Simulations of a Service Velocity Network Employing Regenerator Site Concentration

Multi-Layer Awareness and Management (NFOEC)

  • Previous work (JOCN, Feb. 2012):

Service Velocity: Rapid Provisioning Strategies in Optical ROADM Networks

“ For networks to achieve fully dynamic operation, not

  • nly technology, but also business models and network
  • perations must evolve. …, a key application driver for

CN ROADMs may be the ability to pre-deploy regenerators in support of accelerated connection provisioning in the network. If all needed regenerators are pre-deployed, a new circuit can be remotely provisioned without requiring manual operations at any intermediate nodes, enabling new connections to become operational with minimal delay.”

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Simulations of a Service Velocity Network Employing Regenerator Site Concentration

Multi-Layer Awareness and Management (NFOEC)

  • Traffic:

Quasi-static Traffic matrix in which the population of each city determines its probability to be used as a source or destination.

  • Upgrade:

Adding regenerators when it is needed to sustain future demands. Overbuild of individual fiber links when they exceed 60% wavelength fill, up to maximum of three fiber pairs per link.

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Simulations of a Service Velocity Network Employing Regenerator Site Concentration

Multi-Layer Awareness and Management (NFOEC)

(Shortest-Path Routing) (Minimal-Regeneration Routing)

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Simulations of a Service Velocity Network Employing Regenerator Site Concentration

Multi-Layer Awareness and Management (NFOEC) Results above 900 demands are not plotted as these represent a distorted traffic pattern and an unrealistic mode of operation (above 900 demands, the network

  • perator would be turning away customers whose requests are inconvenient).
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Multi-Layer Awareness and Management (NFOEC)

Optical network evolving towards smart network in Korea [Invited]

Hyungjin Park, Geun Young Kim, Hosung Yoon, Jae Hyung Park, Jin Hee Kim KT Network R&D Laboratory

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Optical network evolving towards smart network in Korea

Multi-Layer Awareness and Management (NFOEC)

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Optical network evolving towards smart network in Korea

Multi-Layer Awareness and Management (NFOEC)

  • Maintaining an efficient fiber management system meeting to the growing needs of fiber

cable connection in the access network…

  • Meeting to the dynamic needs regarding the network management coming from the

dynamic convergence service environment…

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Optical network evolving towards smart network in Korea

Multi-Layer Awareness and Management (NFOEC) Video content request As the smart node is placed at the nearest edge in the cell service area, the quality of video service is properly guaranteed. Video content request Delivers the satellite broadcasting channels. RF signals are relayed to customer premise through fiber cable by using a third wavelength dedicated for the video overlay.

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Sessions Reviewed

  • Multi-Layer Awareness and Management (NFOEC)
  • Optical Network Virtualization (OFC)
  • Designing Survivable Networks (NFOEC)
  • Next Generation Networks and Survivability (OFC)
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Optical Network Virtualization (OFC) Network Virtualization: A Tutorial

George N. Rouskas North Carolina State University

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Network Virtualization: A Tutorial

Optical Network Virtualization (OFC)

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Optical Network Virtualization (OFC) Stochastic Virtual Infrastructure Planning in Elastic Cloud Deploying Optical Networking

Markos P. Anastasopoulos, Anna Tzanakaki and Konstantinos Georgakilas Athens Information Technology

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Stochastic Virtual Infrastructure Planning in Elastic Cloud Deploying Optical Networking

Optical Network Virtualization (OFC)

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Stochastic Virtual Infrastructure Planning in Elastic Cloud Deploying Optical Networking

Optical Network Virtualization (OFC)

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Optical Network Virtualization (OFC) Virtual Optical Network Composition over Single-Line-Rate and Mixed-Line-Rate WDM Optical Networks

Shuping Peng, Reza Nejabati, Siamak Azodolmolky, Eduard Escalona, and Dimitra Simeonidou University of Essex, UK

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Virtual Optical Network Composition over Single-Line- Rate and Mixed-Line-Rate WDM Optical Networks

Optical Network Virtualization (OFC)

  • Impairment-aware virtual network composition
  • ver single-line-rate WDM optical networks
  • Cost-aware virtual network composition over

mixed-line-rate WDM optical networks

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Sessions Reviewed

  • Multi-Layer Awareness and Management (NFOEC)
  • Optical Network Virtualization (OFC)
  • Designing Survivable Networks (NFOEC)
  • Next Generation Networks and Survivability (OFC)
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Designing Survivable Networks (NFOEC) On Shared Risk Link Group Optimization

Guangzhi Li, Dongmei Wang, Timothy Gallivan, and Robert Doverspike AT&T Labs

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On Shared Risk Link Group Optimization

Designing Survivable Networks (NFOEC)

  • The SRLG Information for each IP-layer link describes a

list of SRLGs to which the link belongs.

  • SRLGs are often represented by IDs in layer planning

systems at various network layers (e.g., “bundle” ID).

  • Some routing protocol enforce a maximum list length of

the number of bundle IDs per link.

  • However, in reality, there are links that exceed the

maximum (the number of SRLG IDs could exceed 50,000 IDs easily in a large carrier).

  • One solution is to combine multiple fiber spans (without

bifurcation) to one super fiber span to reduce the number

  • f SRLGs.
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Designing Survivable Networks (NFOEC) Restoration Design with Selective Optical Bypass in IP-over-Optical Networks

Qiong Zhang, Angela L. Chiu, Xi Wang, Paparao Palacharla, and Motoyoshi Sekiya Fujitsu Laboratories of America AT&T Labs

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Restoration Design with Selective Optical Bypass in IP-over-Optical Networks

Designing Survivable Networks (NFOEC)

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Restoration Design with Selective Optical Bypass in IP-over-Optical Networks

Designing Survivable Networks (NFOEC)

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Restoration Design with Selective Optical Bypass in IP-over-Optical Networks

Designing Survivable Networks (NFOEC)

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Designing Survivable Networks (NFOEC) Partial Protection in Networks with Backup Capacity Sharing

Greg Kuperman, Eytan Modiano, and Aradhana Narula-Tam MIT

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Partial Protection in Networks with Backup Capacity Sharing

Designing Survivable Networks (NFOEC)

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Designing Survivable Networks (NFOEC) Finding Partially Disjoint Routes for Dual Fiber-Cut Protection on Bi-Connected Networks

Victor Yu Liu and Zhicheng Sui Huawei Technologies

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Finding Partially Disjoint Routes for Dual Fiber-Cut Protection on Bi-Connected Networks

Designing Survivable Networks (NFOEC)

Cut-pair: (s-a), (s-t)

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Finding Partially Disjoint Routes for Dual Fiber-Cut Protection on Bi-Connected Networks

Designing Survivable Networks (NFOEC)

Cut-pair: (s-a), (d-t)

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Sessions Reviewed

  • Multi-Layer Awareness and Management (NFOEC)
  • Optical Network Virtualization (OFC)
  • Designing Survivable Networks (NFOEC)
  • Next Generation Networks and Survivability (OFC)
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Next Generation Networks and Survivability (OFC)

Shared-Path Protection in OFDM-based Optical Networks with Elastic Bandwidth Allocation

Xu Shao, Yong-Kee Yeo, Zhaowen Xu, Xiaofei Cheng, Luying Zhou Institute for Infocomm Research, Singapore

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Shared-Path Protection in OFDM-based Optical Networks with Elastic Bandwidth Allocation

Next Generation Networks and Survivability (OFC)

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Next Generation Networks and Survivability (OFC) Diverse Lightpath Protection against Correlated and Probabilistic Failures in Multi-Domain Optical Networks

  • F. Xu1, K. Liang, K. Shaban, M. Peng, Samee U. Khan,
  • N. Ghani

University of New Mexico, Qatar University, Wuhan University, North Dakota State University

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Diverse Lightpath Protection against Correlated and Probabilistic Failures in Multi-Domain Optical Networks

Next Generation Networks and Survivability (OFC)

  • Extension p-SRLG concept for Multi-Domain networks

considering TE concerns.

TE-Only

  • Find primary and backup loose routes (LR) domain

sequences by load balancing.

Recursive Single-Path (RSP)

  • Find k-shortest LRs with load balancing.
  • Select primary LR which has the lowest aggregate failure

probability (AFP).

  • Find k-shortest backup LRs.
  • Select backup LR which has the lowest AFP.

Path Pair-Correlation

  • Find k-shortest link-disjoint LRs with load balancing.
  • Select the LR-pair with the lowest dot-product (correlated

failures of primary and backup).

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Diverse Lightpath Protection against Correlated and Probabilistic Failures in Multi-Domain Optical Networks

Next Generation Networks and Survivability (OFC)

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Next Generation Networks and Survivability (OFC)

Directions of Next Generation Transport Network Development [Invited]

Andreas Gladisch, F.-Joachim Westphal Deutsche Telekom Innovation Laboratories

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Directions of Next Generation Transport Network Development [Invited]

Next Generation Networks and Survivability (OFC)

  • A change from the focus on connectivity to content
  • New technologies are modifying the definition of

network and of traffic structure

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Directions of Next Generation Transport Network Development [Invited]

Next Generation Networks and Survivability (OFC)

  • Four major areas of interdependency between optical technologies and

network architecture:

  • Increase of capacity and improvement of efficiency
  • Improve spectral efficiency by new modulation formats
  • Denser channel spacing
  • An increase of the spectral efficiency by the factor 20 seems realistic
  • Optimization of traffic structure
  • Approaches of content caching, CDN and redirection of traffic based on

DNS

  • ISP may operate servers relatively close to the customer to deliver replicas
  • f frequently requested content
  • Optimization of architecture and topology
  • Fiber in access networks (many local exchanges are closing or planned to

be closed, e.g., 6000 for DT).

  • Minimization of complexity
  • Complexity vs. configurability
  • Electronic compensation
  • Tunable transponders
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Post-OFC Ideas

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Exploiting Excess Capacity in Virtualization

2 3 7 5 1 10 9 8 12 11 14 6 4 1 10 8 4

Post-OFC Ideas

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Effects of Social Networks

Post-OFC Ideas

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Effects of Social Networks

Post-OFC Ideas

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Effects of Social Networks

Post-OFC Ideas

750 million photos uploaded in 2011 New Year’s Eve

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Effects of Social Networks

Post-OFC Ideas

Can Bonomo decided not to attend Eurovision