TestbedLikun_final
- 1. Control Plane Progress Tiered Evaluation Strategy Project : T.2 Testbed for Optical Aggregation Networks (TOAN) Investigators: Wissinger, Kilper, Bergman, Cvijetic, Willner, Glick, Norwood Mission Other Progress Industry Collaborators • Research: enable CIAN components, devices, and networking concepts to be evaluated within a realistic network system infrastructure; link research efforts across the Center; instantiate the systems vision of CIAN. • Industry: provide a venue for R&D collaboration with industry partners; accelerate transfer and productization of CIAN and member company technologies. • Education: support the training of students with multi-disciplinary systems engineering, hands-on lab work, and project leadership; provide a platform for collaborative projects between CIAN students and industry. A significant strength of CIAN is the comprehensive testbed infrastructure that supports its vertical development chain from the materials level, through to chip scale components, packaged devices, and integrated subsystems. Investigates impairment-aware and service-aware adaptation and reconfiguration of optical paths and coding/modulation schemes, especially in context of multi-node transmission management. Explores application of software programmable network behaviors and hardware virtualization to enable intelligent and cost-effective aggregation schemes and to establish on-demand high BW connections over the WAN. Evaluates CIAN technologies (e.g., chip-scale photonic devices, subsystems, control planes) within network system context, compare to benchmarks, provide feedback to device designers on deployment and interoperability issues. Studies network stability under increasingly dynamic and transparent reconfigurations. 1. Hierarchical SDN Control Plane Architecture University of Arizona | California Institute of Technology | Columbia University | Cornell University | Norfolk State University | Tuskegee | UC Berkeley | UC Los Angeles | UC San Diego | University of Southern California Future Plans and Milestones Center for Integrated Access Networks: Creating transformative optical technologies to enable an affordable faster internet for the future. CIAN ERC Center for Integrated Access Networks under grant #EEC-0812072 Fig. 3 TOAN Testbed, UA Optical Sciences Network Transport Nodes CIAN Insertion Stations Fig. 4 Network Control and Management Software System Level Testbed Local Lab Device Characterization HigherLevel Integration/Packaging SubsystemEvaluation SystemEvaluationin Testbed • optical/electrical characterization • response times • yield, repeatability/reproducibility • packaged IL • thermal • robustness • cost • integrated onboard functionalities • cross coupling, timing issues • packet-based performance • application performance • COTS equipment compatibility Rapidchipscaleinsertion Fig. 1 Role of System-level testbeds within CIAN’s tiered evaluation process FPGA FPGA FPGAFPGA Extended SDN Controller Distribution Control Data Plane Interface (CDPI) Client/Servers2 Client/Servers3 Client/Servers1 Client/Servers4 IIC Protocol LLC Ethernet OpenFlow Extension (e.g. OFPT_CFlOW_MOD) CDC ROADM Virtual Network 1 Virtual Network 2 VirtualMapping Logical Packet SDN Switch OpenFlow 1.3 Virtualization Layer: OpenFlow distribution layer provides northbound virtualization mapping service to tenants which can then share the same physical network resource with different service priorites (e.g. latency, cost, bandwidth). SDN Control Layer (Global Controll Layer): extended OpenFlow 1.3+ on SDN controller to support: (1) Configuration on optical network (e.g. EDFA’s maximum output power). (2) Data collection (e.g. Topology discovery and available wavelengths). (3) Action on optical network (e.g. Routing and Wavelength Assignment). Control Plane Data Interface (CDPI layer) : enables the communication between Controller Layer and FPGA Local Control Layer. Local Control Layer (FPGA layer) : FPGA controller supports the capability of distributed local control logic. Physical Layer: contains several Optical ROADMs and are directly controlled by FPGAs. Fig. 5 High Level View of SDN Control Architecture Milestone/Deliverable Date Characterize OADM chips from UA from second Sandia run Jan 2015 Prototype SDN control plane with topology abstraction and virtualizer Mar 2015 Characterize and insert OPM chips from Cornell April 2015 Characterize and insert MEMS optical switch from Berkeley May 2015 Complete setup of SDN Datacenter switching emulation Aug 2015 Characterize and insert OSA on-chip from Columbia Sept 2015 Extend CIAN-boxes for optical flow switching and aggregation Oct 2016 Create agile aggregation CIAN-Box network May 2017 Fig. 2 Chip-Scale Testing, UA Optical Sciences 2. Dynamic Cross-layer Protection and Resource Allocation in OFDM Network CDPI FPGA 1 FPGA 4 FPGA 2 FPGA 3 ofp_flow_mod ofp_cflow_mod LLC packet Command execution ofp_flow_m od OpenFlow 1.3+ CDPI Control Channel: Ethernet to Ethernet Electrical Connection: Ethernet to Ethernet Optical Connection Traffic Path FPGA Control Channel: Ethernet to RS232 RYU SDN Controller Optical ROADM with OSNR Monitor Wavelength Tunable Transceiver SDN Packet Switch TT Server/Client ROADM 1 ROADM 2 ROADM 3 ROADM 4 Switch 1 Switch 3 Source Destination TT TT TT TT ASE ASE Amplified Spontaneous Emission Switch 2 Switch 4 Fig. 6 TOAN’s SDN-based control plane was enhanced to provide hierarchical mechanisms for local-global control. The testbed is better able to support investigation into candidate bandwidth-on-demand architectures that rely on agile mechanisms for flexible wavelength assignment and dynamic adjustment of modulation schemes based on real-time network monitoring. 100G PIC chip-scale characterization S-parameter, eye diagram, and BER characterization of CWDM 1310 nm transmitter, comprising four channels at 25Gbs, targeted for DC deployment. Statistical characterization of large numbers of passive OADM devices from the CIAN chip. Unified solar power-comms grids disaster recovery experiments (w/ QESST ERC, ASU) Studies to evaluate potential benefits of jointly optimizing power grid and communications grids for disaster recovery. Physical layer emulations consider stability and cascading failure modes. Evaluation of the performance of multi-domain SDN control using different architectures. Real-time software defined OFDM resource allocation Impairment-aware autonomous format assignment and bandwidth allocation was demonstrated using real-time insitu OSNR monitors. SDN controller reconfigures the OFDM by changing number of subcarriers and modulation formats based on channel conditions. TiSER commercial interoperability test Demonstration of real-time, in-service BER estimation of streaming packet data at 10Gb/s using Fujitsu FW9500 system. Establishes feasibility of using TiSER as embedded network monitoring system. Holographic switch for rapidly reconfigurable DC interconnects Feasibility study for DLP-based us optical switch based on diffractive switching method for providing a free space rack-rack interconnect in the DC. Analysis of throughput and packet drops as a function of datarate. 28 Gb/s 32 Gb/s -60 -58 -56 -54 -52 -50 -48 -46 -44 -42 -40 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 S21(dB) Frequency (GHz) 50mA, -2V EAM bias, 10dBm RF power, MORE MISALIGNED S21(dB) High Speed Characterization