Efficient Integrated Backbone (EIBONE) - Multi-Layer Transport - PDF document

Efficient Integrated Backbone (EIBONE) - Multi-Layer Transport Networks with Integrated Control Achim Autenrieth, Nokia Siemens Networks Disclaimer and Acknowledgment � The work presented here is a joint effort from the partners of the German funded research project EIBONE � The common view and key results of EIBONE are summarized in Position papers / Whitepapers: • Gerd Eilenberger et al: “Multi-Layer Transport Networks with Integrated Control”, ITG Fachtagung Photonische Netze, 28. - 29.04.2008, Leipzig • P. M. Krummrich et al.: "EIBONE working group transmission technologies - white paper 100 Gbit/s Ethernet", VDE Studien und Reports, April 2008, www.vde.com. Multi-Layer Transport Networks with Integrated Control Positionspapier des EIBONE Arbeitskreises “Netze und Referenznetze“ Kontakt: Gert Eilenberger, Alcatel Lucent Bell Labs Deutschland Achim Autenrieth / Efficient Integrated Backbone (EIBONE) / EuroView2008, 21.7.2008 2

Agenda � Project Overview � Introduction – Importance of transport networks � Evolution of transport networks � Network architectures and concepts � Network control and management � Traffic models, traffic evolution, user behaviour � Network planning/optimisation, techno-economic studies � Implementation aspects � Transmission technologies for 100Gbit/s � Common View about the future transport networks � Current state of art in EIBONE Achim Autenrieth / Efficient Integrated Backbone (EIBONE) / EuroView2008, 21.7.2008 3 BMBF Research Framework EIBONE – Efficient Integrated Backbone Motivation Motivation Service Control Layer Service Control Layer • Heterogenity and complexity of networks • Heterogenity and complexity of networks Metro Core Core Metro • Increasing bandwidth demands • Increasing bandwidth demands Multi-Service Multi-Service • Not optimized scalability of IP transport Access Access • Not optimized scalability of IP transport networks networks • Separated definition of IP, Ethernet and • Separated definition of IP, Ethernet and transport networks transport networks Operator A Operator B End-to-End Quality-of-Service Research Framework EIBONE Key Research Objectives Research Framework EIBONE Key Research Objectives • Cost-efficient, flexible and robust core • Size: 18 projects; 9 companies including 5 • Cost-efficient, flexible and robust core • Size: 18 projects; 9 companies including 5 and metro networks and metro networks SMBs, 2 research institutes, 4 universities SMBs, 2 research institutes, 4 universities • Scalable and secure network Effort: ~ 32.7 Mio. € • Scalable and secure network Effort: ~ 32.7 Mio. € architecures for the future Internet using Grant: ~ 17.8 Mio. € architecures for the future Internet using Grant: ~ 17.8 Mio. € optical technologies and Layer 2 optical technologies and Layer 2 • Duration: 3 years (Sep. 2005 – Aug. 2008) • Duration: 3 years (Sep. 2005 – Aug. 2008) •Hardware- and software prototypes •Hardware- and software prototypes • Consortium Lead: for demonstration and field trials • Consortium Lead: for demonstration and field trials Nokia Siemens Networks, DTAG Nokia Siemens Networks, DTAG Achim Autenrieth / Efficient Integrated Backbone (EIBONE) / EuroView2008, 21.7.2008 4

EIBONE Partners System vendors and network operators Measurement devices, Components and Subsystems Network planning and simulation Research institutes and Universities Working groups - all Partners - Universities Universität as sub-contractors Dortmund Achim Autenrieth / Efficient Integrated Backbone (EIBONE) / EuroView2008, 21.7.2008 5 EIBONE Workgroups / Study Groups Cooperation of Partners in EIBONE Research Framework � Workgroup � Workgroup � Workgroup Transmission Technologies � Reference Networks � Network Architectures � Defines concepts and studies � Definies realistic network � Studies and evaluates network technologies for robust optical topologies and traffic data to allow architectures for efficient multilayer transmission comparable network studies transport networks Topology Traffic Growth System experiments Traffic matrix error Gaming & transmitter receiver correction Productivity Virtual World ..... 1706 DGD 1 DGD 2 ... ... DGD n RX UFEC Email, Video conferencing TX . . . . . . SCR0 SCR1 SCRn TX RX UFEC 1237 w/o. w/o. scrambling scrambling w. w. scrambling scrambling scanning angle scanning angle 904 360 o 360 o Real-time FEC FEC FEC Frames Frames Frames FEC FEC FEC Frames Frames Frames user control 669 any viewing bursts bursts bursts outage outage outage angle B 503 B Entertainment 388 201 221 255 309 E time time time E time time time 3 NG-ITV Channels [Mbit/s] R 58 R 16 22 30 42 4,0 5,3 5 7 8 12 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020 Components and Transmission IP-based Network L2-based Network Modules experiments Architecture Architecture IP IP L2 OTN OTN Contact: Ralf Hülsermann Contact: Dr. Gert Eilenberger Contact: Dr. Peter Krummrich (ralf.huelsermann@t-systems.com) (gert.eilenberger@alcatel-lucent.de) (peter.krummrich@udo.de) Result: Positioning Papers for common understanding of German instudies and reseach Achim Autenrieth / Efficient Integrated Backbone (EIBONE) / EuroView2008, 21.7.2008 6

Introduction – Importance of Transport Networks • Backbone of the communication infrastructure Cost efficiency • Basis for services and applications in the internet, Robustness in mobile and corporate networks. • Innovative end-user applications with high data volumes CAGR of traffic: ≈ 100% • Faster (optical) access networks for residential customers Service Service Access Access Aggregation Aggregation IP/Aggregation IP/Aggregation Core Core Edge Edge Application Application IMS IMS IMS Routing Routing IP Edge IP Edge 3P-PE 3P-PE 3Play FTTH 3Play FTTH BRAS BRAS IP/MPLS Core IP/MPLS Core 3Play VDSL 3Play VDSL CIS PE CIS PE CIS CIS Customer IP Service Customer IP Service Access Access Carrier Ethernet Transport Carrier Ethernet Transport Switch Switch PBB-TE / PBB PBB-TE / PBB DSLAM DSLAM PBB-TE / PBB PBB-TE / PBB CES CES Customer Ethernet Service Customer Ethernet Service Optical Transport Optical Transport DWDM Core DWDM Core DWDM Metro DWDM Metro COS COS Customer Customer Optical Service Optical Service Multi-layer transport networks with integrated Control Plane Achim Autenrieth / Efficient Integrated Backbone (EIBONE) / EuroView2008, 21.7.2008 7 Evolution of transport networks � Transport network evolution driven by convergence of traditionally separated packet and circuit technologies - multilayer network design • IP-based services prevailing 100000 Decline of longhaul • Ethernet/L2 technologies compete $ per Gbit/s/km 80000 transport cost with established packet and circuit 60000 technologies – but not proven yet 40000 • SDH/OTN/optical technologies 20000 Fit: -40% p.a. - cost efficient transport pipes 0 1992 1994 1996 1998 2000 � Optical transport remains key Year • Enabling further decline of transport cost Upgrade from 10 � 40 Gbit/s happening, 100+ Gbit/s in development • • Optical transport stretching from core to aggregation and access (FTTx), gradually substituting existing copper infrastructure � novel architectural concepts and network design possible � supports virtually unlimited bandwidth delivered to the end user Achim Autenrieth / Efficient Integrated Backbone (EIBONE) / EuroView2008, 21.7.2008 8

Network Architectures and Concepts Scope � Reduce overall cost and increase network efficiency in WAN and MAN Promising Solution � One converged network for all fixed and mobile services introducing • low cost and flexible switching on intermediate convergence layer (L2) • optical bypass for 100M..10G connections � Potential Savings on L2/L3 resources • optical bypass for 100M..10G connections (avoid OEO conversions & packet processing) • studies show up to 35% savings in the backbone and up to 70% savings in the metro space � Perspective • Switches/Routers with hundreds of Gbps are required soon at reasonable cost • 10G/40G technologies only for mid-term, further driving the100G standard • More studies needed on service integration and network convergence topics Achim Autenrieth / Efficient Integrated Backbone (EIBONE) / EuroView2008, 21.7.2008 9 Network control and management � Apply GMPLS and extensions for Control Plane of multi-layer transport networks • Single control instance for L1-L2-L3 • Automated and optimized usage of resources • Increase utilization of networks • Allow flexible and fast reconfiguration • Decrease operation cost by automation and integration • End-to-end QoS in multi-domain, multi-operator and multi-layer environment • Multi-layer resilience capabilities Achim Autenrieth / Efficient Integrated Backbone (EIBONE) / EuroView2008, 21.7.2008 10