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Orchestration of Ethernet Services in
Software-Defined and Flexible
Heterogeneous Optical Networks –
the EU/JP Project STR...
2
 Introduction of the project STRAUSS
 Motivation
 Organization of the consortium
 Overall architecture of the projec...
3
 Project Name: Scalable and efficient orchestration of Ethernet services
using software-defined and flexible optical ne...
4
Organization of the Consortium
Industrial Partners Research Centers Universities
 EU CONSORTIUM
 CTTC (ES)
 ADVA Opti...
5
Design, Integration and Development of
 Optical Packet Switching (OPS) nodes for aggregation networks
 Flex-grid DWDM ...
6
The Need for >100Gb/s Optical Ethernet
Transport over EON and OPS
 An efficient transport infrastructures for > 100Gb/s...
7
The Need for Optical Network Virtualization
 Each data center service has its own specific QoS and SLA requirements.
 ...
8
The Need for Software-Defined Optical
Networks
 Each network uses a control plane (e.g. OpenFlow or GMPLS) for the
prov...
9
STRAUSS Architecture
Virtual Transport Infrastructure 1 Virtual Transport Infrastructure n
...
...
SDN-based Service and...
10
STRAUSS Use Case - Datacenter Connectivity
Virtual IT
resources
SDN Network
Orchestrator
Data Center Operator
Data Cent...
11
Flexible Optical Infrastructure Solutions for
Ethernet Transport
 DMT Transceiver
 Discrete Multi-Tone modulation
(DM...
12
Flexible Optical Circuit Switched
(OCS) Transport Networks
Optical transport networks provides dynamic, high bandwidth,...
13
Advanced Optical Technologies
Symbol rate (SR) is additional parameter:
 400G leverages 100G (~30GBd)
 1T needs 2..3x...
14
Optical Node Configuration
Network
Line Port 2
1xNWSS
1xNWSS
1xN WSS
1xN WSS
1xN WSS
XPDR
XPDR
XPDR
XPDR
XPDR
XPDR
XPDR...
15
OpticalTransport
Network
programmability
HW abstraction
and virtualization
Centralized
management & control
Flow/circui...
16
Direct
Optical Transport and SDN
Direct vs. Indirect Model
 How to best extend SDN to transport layer?
 Direct contro...
17
Abstract Model –
Topology Virtualization Options
Abstract Link
 “You can reach this destination across this
domain wit...
18
Optical Network Hypervisor
WAN is exposed as abstracted virtual topology
SDN
Controller #2
SDN
Controller #1
SDN
Contro...
19
STRAUSS SDN Orchestration Testbed
SDN Network
Orchestration
ABNO
Controller
PCE
GMPLS-enabled
Flexi-grid
DWDM domain
Ac...
OFC Post Deadline Paper Th5A.2
First international SDN-based Network
Orchestration of Variable-capacity OPS over
Programma...
21
Network Virtualization Testbed
22
Orchestration in OpenFlow-based OPS-EON
International Network Demonstrator
OpenFlow-based OPS
40-100Gbps
DMT Tx as BVT
...
23
Distance-Adaptive-DMT-based OPS
with OpenFlow Control
OpenFlow
Controller
OpenFlow
agents
OPS
Rounter
Flow tbl. -> SW t...
24
 Application-Based Network
Operations (ABNO)
 ABNO controller
 PCE, includes OF extentions
 Topology Server
 Provi...
25
 STRAUSS demonstrated a multi-domain multi-technology network
orchestration of Variable-capacity OPS over Programable ...
26
SDN Enables Optical Network
Operation and Control Innovation
Datacenter Connectivity Network Virtualization &
Orchestra...
27
Network Operation Evolution with
Software Defined Networking
Network & Service Mgmt
& Apps Control Plane SDN
Shortened ...
Thank you!
Achim Autenrieth aautenrieth@advaoptical.com
STRAUSS Contacts
Ken-ichi Kitayama kitayama@comm.eng.osaka-u.ac.jp...
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Orchestration of Ethernet Services in Software-Defined and Flexible Heterogeneous Optical Networks - the EU/JP Project STRAUSS

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Achim Autenrieth presented these slides on the STRAUSS Project at the DRCN conference earlier this month. Check it out

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Transcript of "Orchestration of Ethernet Services in Software-Defined and Flexible Heterogeneous Optical Networks - the EU/JP Project STRAUSS"

  1. 1. Orchestration of Ethernet Services in Software-Defined and Flexible Heterogeneous Optical Networks – the EU/JP Project STRAUSS Achim Autenrieth, ADVA Optical Networking DRCN 2014 Ghent , Belgium, April 1 – 3, 2014
  2. 2. 2  Introduction of the project STRAUSS  Motivation  Organization of the consortium  Overall architecture of the project  Flexible Optical Infrastructure Solutions for Ethernet Transport  SDN Orchestration and Optical Network Virtualization  Multidomain Ethernet Services Orchestration Testbed  Latest Research Highlights: OFC Post-Deadline Paper  Conclusions Outline http://www.ict-strauss.eu @ICTstrauss
  3. 3. 3  Project Name: Scalable and efficient orchestration of Ethernet services using software-defined and flexible optical networks.  Acronym: STRAUSS  Call identifier: FP7-ICT-2013- EU-Japan (Coordinated EU-Japan Call)  Funding scheme: STREP  EU Project Coordinator: Dr. Raul Muñoz. Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)  JP Project Coordinator: Prof. Ken-ichi Kitayama. Osaka University  Duration: 36 months (1st June 2013 – 31st May 2016)  Total Cost: € 5.033.882.  EC Contribution: € 1.498.990.  JP Contribution: € 2.820.000  Project website: www.ict-strauss.eu STRAUSS Project Administrative Information
  4. 4. 4 Organization of the Consortium Industrial Partners Research Centers Universities  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.
  5. 5. 5 Design, Integration and Development of  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  Service and network orchestration layer  interworking and coordination of heterogeneous control plane and transport technologies to offer end-to-end Ethernet transport services. STRAUSS Project Objectives
  6. 6. 6 The Need for >100Gb/s Optical Ethernet Transport over EON and OPS  An efficient transport infrastructures for > 100Gb/s Ethernet services is the adoption of Ethernet as the technology of choice in data centers  Fixed-grid DWDM networks, EPS networks and aggregation technologies are not efficient for data rates > 100 Gb/s  Elastic optical networks (EON) and optical packet switching (OPS) networks based on bandwidth variable transponder (BVT) are key technologies Challenge: Multi-domain multi-technology network orchestration SDN Data Center/MAN Ethernet OPS domain BVT Data Center/MAN Ethernet BVTEON domain End-to-end Ethernet service provisioning Controller Controller Controller OPS domain e.g. OpenFlow e.g. GMPLS
  7. 7. 7 The Need for Optical Network Virtualization  Each data center service has its own specific QoS and SLA requirements.  Network operators require dedicated and application-specific optical networks.  Optical network virtualization is a key technology for addressing this issue. Service A Service A Service B Service C Service B Service C Virtual Optical Network #1 Virtual Optical Network #2 Virtual Optical Network #3 Shared Physical Infrastructure
  8. 8. 8 The Need for Software-Defined Optical Networks  Each network uses a control plane (e.g. OpenFlow or GMPLS) for the provisioning of dynamic, adaptive and fault-tolerant network services.  A physical infrastructure comprising heterogeneous optical transport and control plane technologies does not naturally interoperate.  Software defined Networking (SDN) is a key technology for addressing this issue. OpenFlow Domain SDN OpenFlow DomainGMPLS Domain GMPLS Controller GMPLS Controller Openflow Controller Data Center Ethernet OPS BVT Openflow Controller Data Center EthernetOPS BVT Flexi/Fixed-grid Optical Transport Network GMPLS Controller End-to-end Ethernet service provisioning Service A Service A
  9. 9. 9 STRAUSS Architecture Virtual Transport Infrastructure 1 Virtual Transport Infrastructure n ... ... SDN-based Service and Network Orchestrator Network Control & ManagementNetwork Control & Management Flexi-grid OCS Domain 2Flexi-grid OCS Domain 1 OPS OPS OPS/OCS (BVT) OPS/OCS (BVT) Virtual Resources Pool GMPLS OpenFlow TransportInfra. TransportVirtualizationVirtualInfra. Ctrl&Mgt End-to-end Orchestration Virtualization Visor (Abstraction, Partitioning, Composition)
  10. 10. 10 STRAUSS Use Case - Datacenter Connectivity Virtual IT resources SDN Network Orchestrator Data Center Operator Data Center 1 Core OPS Switches Flexi-grid DWDM network ToR Ethernet Switches Aggregation OPS Switches Data Center 2 Core OPS Switches ToR Ethernet Switches Aggregation OPS Switches GMPLS Controller GMPLS Controller GMPLS Controller OpenFlow Controller Active Stateful PCE TED LSPDB OpenFlow Controller
  11. 11. 11 Flexible Optical Infrastructure Solutions for Ethernet Transport  DMT Transceiver  Discrete Multi-Tone modulation (DMT)  Advanced modulation format realized by digital signal processing (DSP)  Multi carrier modulation format maximizes spectrum utilization  Optical Packet Switching (OPS)  Variable-length (= variable-bandwidth ) electrical packets are converted to fixed- length optical packet based on multicarrier technology (OFDM/DMT)  VB-FL optical OFDM packet significantly eases optical buffer management while achieving the statistical multiplexing effect
  12. 12. 12 Flexible Optical Circuit Switched (OCS) Transport Networks Optical transport networks provides dynamic, high bandwidth, programmable services for Ethernet Transport WSS WSS WSS WSS WSS Packet Routers OTN / Ethernet Switches UNI/NNI NMS Optical Domain ROADM GMPLS Control Plane
  13. 13. 13 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 OpticalPower lnm 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
  14. 14. 14 Optical Node Configuration Network Line Port 2 1xNWSS 1xNWSS 1xN WSS 1xN WSS 1xN WSS XPDR XPDR XPDR XPDR XPDR XPDR XPDR XPDR EXTERNAL Tunable transponders Network Line Port 1 Network Line Port 3 Colorless Module(s) Directionless Module Directional ROADM Fixed Filter XPDR XPDR PROT External Wavelength Transponder Protection Fixed – Tunable Regeneration Tunable – Tunable Regeneration Fixed transponders Connectivity & Topology Discovery Signal Mapping & Format Compatibility Optical Performance Constraints Sequential Lightpath Setup/Teardown Optical Power Balancing OSC (Out-of-band) a) 40km b) 60km c) 20km a) b) c) d) d)
  15. 15. 15 OpticalTransport Network programmability HW abstraction and virtualization Centralized management & control Flow/circuit oriented data plane SDN for Optical Networks Separation of data and control plane Facilitate optical layer virtualization & programmability based on HW abstraction      SDN Principles In the SDN architecture, • the control and data planes are decoupled, • network intelligence and state are logically centralized, • and the underlying network infrastructure is abstracted from the applications.
  16. 16. 16 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 and leverage existing control plane protocols SDN Controller (Abstract Model) SDN Controller (Direct Model) Abstract (Overlay) Network Hypervisor Finding the appropriate level of abstraction is key to virtualization Network Hypervisor
  17. 17. 17 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 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 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”
  18. 18. 18 Optical Network Hypervisor WAN is exposed as abstracted virtual topology SDN Controller #2 SDN Controller #1 SDN Controller #3 SDN Controller #4 Optical Network Controller / HyperVisor NMS / OSS 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
  19. 19. 19 STRAUSS SDN Orchestration Testbed SDN Network Orchestration ABNO Controller PCE GMPLS-enabled Flexi-grid DWDM domain Active Stateful PCE 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 OpenFlow Controller REST API Network Hypervisor OpenFlow + GMPLS enabled DWDM domain OCS OPS OCS TED LSPDB
  20. 20. OFC Post Deadline Paper Th5A.2 First international SDN-based Network Orchestration of Variable-capacity OPS over Programmable Flexi-grid EON Y. Yoshida1, A. Maruta1, K. Kitayama1, M. Nishihara2, T. Tanaka2, T. Takahara2, J. C. Rasmussen2, N. Yoshikane3, T. Tsuritani3, I. Morita3, S. Yan4, Y. Shu4, M. Channegowda4, Y. Yan4, B.R. Rofoee4, E. Hugues-Salas4, G. Saridis4, G. Zervas4, R. Nejabati4, D. Simeonidou4, R. Vilalta5, R.Muñoz5, R. Casellas5, R. Martínez5, M. Svaluto5, J. M. Fàbrega5, A. Aguado6, V. López6, J. Marhuenda6, O. González de Dios6, J. P. Fernández-Palacios6 1 2 3 4 5 6 STRAUSS Latest Result Highlights
  21. 21. 21 Network Virtualization Testbed
  22. 22. 22 Orchestration in OpenFlow-based OPS-EON International Network Demonstrator OpenFlow-based OPS 40-100Gbps DMT Tx as BVT OPS<->EON Interfacing OpenFlow Controller RX3 RX2 OpenFlow agent optical packets OpenFlow Controller ABNO Controller Provisioning Manager SDN Network Orchestration Extended PCEP for OF Topology Rest API Flow Programmer REST API Topology API PCE Topology Server Topology Rest APIFlow Programmer REST API Elastic Optical Network with OPS interface OPS Router RX1
  23. 23. 23 Distance-Adaptive-DMT-based OPS with OpenFlow Control OpenFlow Controller OpenFlow agents OPS Rounter Flow tbl. -> SW tbl. 1-100G DMT Tx OPS Rounter OPS Rounter 1-100G Rx 2km=100Gbps 40km=40Gbps OpenFlow Controller t Aggregation + Multicarrier (MC) Adaptive mod. f T ns FL-VC optical packets 64-9604byte client Ether packets T ns Policy control • Fixed-length optical packet eases optical buffer scheduling • Payload capacity is maximized based on (expected) distance to the destination • Sophisticated NW control is required to gain statistical multiplexing effect T ns
  24. 24. 24  Application-Based Network Operations (ABNO)  ABNO controller  PCE, includes OF extentions  Topology Server  Provisioning Manager SDN Network Orchestration  OpenFlow EON Controller  Optical OpenFlow extensions (Frequency Slot allocation)  OpenFlow OPS Controller  Trema with OpenFlow OPS extensions (including OPS label)
  25. 25. 25  STRAUSS demonstrated a multi-domain multi-technology network orchestration of Variable-capacity OPS over Programable Flexi-Grid EON  Data plane achievements:  46-108Gb/s distance-adaptive DMT-based FL-VC OPS  Integrated OCS/EON programable node with real-time OPS-EON interface  Flexi-Grid Network Function Programable node  Control plane achievements:  OpenFlow-based OPS Controller  Flexi-Grid SDN Controller  Application-Based Network Operations for network orchestration  This could serve as an architecture for elastic-bandwidth slice provisioning with the finest data granularity for SDN applications. OFC PDP Conclusions
  26. 26. 26 SDN Enables Optical Network Operation and Control Innovation Datacenter Connectivity Network Virtualization & Orchestration Multilayer Optimization Open Application Framework
  27. 27. 27 Network Operation Evolution with Software Defined Networking Network & Service Mgmt & Apps Control Plane SDN Shortened time-to-market of networking applications by optical network virtualization based upon cost/energy- efficient OPS/OCS based Ethernet transport  Abstraction & Virtualization  Network Programmability  End-to-End Service Orchestration
  28. 28. Thank you! Achim Autenrieth aautenrieth@advaoptical.com STRAUSS Contacts Ken-ichi Kitayama kitayama@comm.eng.osaka-u.ac.jp Raul Munoz raul.munoz@cttc.es http://www.ict-strauss.eu @ICTstrauss
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