Calit2: a View Into the Future of the Wired and Unwired Internet

“ Calit2: a View Into the Future of the Wired and Unwired Internet" Invited Talk to the National Research Council’s Computer Science and Telecommunications Board Mountain View, CA January 23, 2006 Dr. Larry Smarr Director, California Institute for Telecommunications and Information Technology Harry E. Gruber Professor, Dept. of Computer Science and Engineering Jacobs School of Engineering, UCSD

California’s Institutes for Science and Innovation A Bold Experiment in Collaborative Research California NanoSystems Institute UCSF UCB California Institute for Bioengineering, Biotechnology, and Quantitative Biomedical Research California Institute for Telecommunications and Information Technology Center for Information Technology Research in the Interest of Society UCSC UCD UCM www.ucop.edu/california-institutes UCSB UCLA UCI UCSD

Where is Telecommunications Research Performed? A Historic Shift Source: Bob Lucky, Telcordia/SAIC U.S. Industry Non-U.S. Universities U.S. Universities Percent Of The Papers Published IEEE Transactions On Communications 70% 85%

Calit2 -- Research and Living Laboratories on the Future of the Internet www.calit2.net UC San Diego & UC Irvine Faculty Working in Multidisciplinary Teams With Students, Industry, and the Community

Over the Next Decade Vast SensorNets Will Feed a Planetary Optical Core The Small Pervasive Self-Powered Micro- and Nano-Sensors The Cheap Mass Produced Radios The Smart System-on-Chip Integration of Computers with Sensors The Big Terabit Optical Internet Core Gigabit Wireless Streams Calit2’s New Approach to Research Large Scale Testbeds Build Integrated Systems Work with End Users Collaborate Across: Disciplines Campuses University / Industry Calit2 Large Grant Examples: OptIPuter CAMERA LOOKING RESCUE/WIISARD Source: Rajesh Gupta, UCSD “ The all optical fibersphere in the center finds its complement in the wireless ethersphere on the edge of the network.” – George Gilder

Two New Calit2 Buildings Will Provide Major New Laboratories to Their Campuses New Laboratory Facilities Nanotech, BioMEMS, Chips, Radio, Photonics, Grid, Data, Applications Virtual Reality, Digital Cinema, HDTV, Synthesis Over 1000 Researchers in Two Buildings Linked via Dedicated Optical Networks International Conferences and Testbeds UC Irvine www.calit2.net Preparing for an World in Which Distance Has Been Eliminated… UC San Diego Richard C. Atkinson Hall Dedication Oct. 28, 2005

The Calit2@UCSD Building is Designed for Prototyping Extremely High Bandwidth Applications 1.8 Million Feet of Cat6 Ethernet Cabling 150 Fiber Strands to Building; Experimental Roof Radio Antenna Farm Ubiquitous WiFi Photo: Tim Beach, Calit2 Over 10,000 Individual 1 Gbps Drops in the Building ~10G per Person UCSD is Only UC Campus with 10G CENIC Connection for ~30,000 Users 24 Fiber Pairs to Each Lab

Calit2@UCSD Building will House a Photonics Networking Laboratory Networking “Living Lab” Testbed Core Unconventional Coding High Capacity Networking Bidirectional Architectures Hybrid Signal Processing Interconnected to OptIPuter Access to Real World Network Flows Allows System Tests of New Concepts UCSD Parametric Processing Laboratory UCSD Photonics Shayan Mookherjea Optical devices and optical communication networks, including photonics, lightwave systems and nano-scale optics. Stojan Radic Optical communication networks; all-optical processing; parametric processes in high-confinement fiber and semiconductor devices. Shaya Fainman Nanoscale science and technology; ultrafast photonics and signal processing Joseph Ford Optoelectronic subsystems integration (MEMS, diffractive optics, VLSI); Fiber optic and free-space communications. George Papen Advanced photonic systems including optical communication systems, optical networking, and environmental and atmospheric remote sensing. ECE Testbed Faculty

Dedicated Optical Channels Makes High Performance Cyberinfrastructure Possible Parallel Lambdas are Driving Optical Networking The Way Parallel Processors Drove 1990s Computing 10 Gbps per User ~ 200x Shared Internet Throughput ( WDM) Source: Steve Wallach, Chiaro Networks “ Lambdas”

National LambdaRail (NLR) Provides the Cyberinfrastructure Backbone for U.S. University Researchers San Francisco Pittsburgh Cleveland San Diego Los Angeles Portland Seattle Pensacola Baton Rouge Houston San Antonio Las Cruces / El Paso Phoenix New York City Washington, DC Raleigh Jacksonville Dallas Tulsa Atlanta Kansas City Denver Ogden/ Salt Lake City Boise Albuquerque UC-TeraGrid UIC/NW-Starlight Chicago International Collaborators NLR 4 x 10Gb Lambdas Initially Capable of 40 x 10Gb wavelengths at Buildout NSF’s TeraGrid Has 4 x 10Gb Lambda Backbone Links Two Dozen State and Regional Optical Networks DOE, NSF, & NASA Using NLR

September 26-30, 2005 Calit2 @ University of California, San Diego California Institute for Telecommunications and Information Technology Global Connections Between University Research Centers at 10Gbps T H E G L O B A L L A M B D A I N T E G R A T E D F A C I L I T Y Maxine Brown, Tom DeFanti, Co-Chairs www.igrid2005.org 21 Countries Driving 50 Demonstrations 1 or 10Gbps to Calit2@UCSD Building i Grid 2005

First Trans-Pacific Super High Definition Telepresence Meeting in New Calit2 Digital Cinema Auditorium Lays Technical Basis for Global Digital Cinema Sony NTT SGI Keio University President Anzai UCSD Chancellor Fox

The OptIPuter Project – Linking Global Scale Science Projects to User’s Linux Clusters NSF Large Information Technology Research Proposal Calit2 (UCSD, UCI) and UIC Lead Campuses—Larry Smarr PI Partnering Campuses: USC, SDSU, NW, TA&M, UvA, SARA, NASA Industrial Partners IBM, Sun, Telcordia, Chiaro, Calient, Glimmerglass, Lucent $13.5 Million Over Five Years Creating a LambdaGrid “Web” for Gigabyte Data Objects NIH Biomedical Informatics NSF EarthScope and ORION Research Network

The OptIPuter -- From the Grid to the LambdaGrid: High Resolution Portals to Global Science Data Green: Purkinje Cells Red: Glial Cells Light Blue: Nuclear DNA Source: Mark Ellisman, David Lee, Jason Leigh Two-Photon Laser Confocal Microscope Montage of 40x36=1440 Images in 3 Channels of a Mid-Sagittal Section of Rat Cerebellum Acquired Over an 8-hour Period 300 MPixel Image!

Scalable Displays Allow Both Global Content and Fine Detail Source: Mark Ellisman, David Lee, Jason Leigh 30 MPixel SunScreen Display Driven by a 20-node Sun Opteron Visualization Cluster

Allows for Interactive Zooming from Cerebellum to Individual Neurons Source: Mark Ellisman, David Lee, Jason Leigh

OptIPuter Scalable Display Systems Are Being Rapidly Deployed [email_address] NCSA & TRECC [email_address] AIST RINCON Source: Jason Leigh, EVL, UIC NCMIR SIO UIC USGS EDC TAMU SARA KISTI

The OptIPuter Creates a MetaComputer on the Scale of Planet Earth The Global Lambda Integrated Facility (GLIF) Interconnecting Optical Research Networks to form a Global SuperNetwork www.lif.is Created in Reykjavik, Iceland 2003 OptIPuter with 10G Single Optical Backplane OptIPuter Partner End Points

OptIPuter Software Architecture--a Service-Oriented Architecture Integrating Lambdas Into the Grid Distributed Applications/ Web Services Telescience Vol-a-Tile SAGE JuxtaView Visualization Data Services LambdaRAM PIN/PDC IP Lambdas PIN/PDC GTP XCP UDT LambdaStream CEP RBUDP DVC Configuration Distributed Virtual Computer (DVC) API DVC Runtime Library Globus XIO DVC Services DVC Core Services DVC Job Scheduling DVC Communication Resource Identify/Acquire Namespace Management Security Management High Speed Communication Storage Services GRAM GSI RobuStore High-Speed Transport Protocols Optical Signaling, Management Distributed Virtual Computer Middleware Visualization Applications

Current Campus and Regional Infrastructure Needs Major Upgrades www.ctwatch.org “ Research is being stalled by ‘information overload,’ Mr. Bement said, because data from digital instruments are piling up far faster than researchers can study. In particular, he said, campus networks need to be improved. High-speed data lines crossing the nation are the equivalent of six-lane superhighways, he said. But networks at colleges and universities are not so capable. “Those massive conduits are reduced to two-lane roads at most college and university campuses,” he said. Improving cyberinfrastructure, he said, “will transform the capabilities of campus-based scientists.” -- Arden Bement, the director of the National Science Foundation

Campuses Must Provide Fiber Infrastructure to End-User Laboratories & Large Rotating Data Stores SIO Ocean Supercomputer IBM Storage Cluster 2 Ten Gbps Campus Lambda Raceway Streaming Microscope Source: Phil Papadopoulos, SDSC, Calit2 UCSD Campus LambdaStore Architecture Global LambdaGrid

The Optical Core of the UCSD Campus-Scale Testbed -- Evaluating Packet Routing versus Lambda Switching Goals by 2007: >= 50 endpoints at 10 GigE >= 32 Packet switched >= 32 Switched wavelengths >= 300 Connected endpoints Approximately 0.5 TBit/s Arrive at the “Optical” Center of Campus Switching will be a Hybrid Combination of: Packet, Lambda, Circuit -- OOO and Packet Switches Already in Place Funded by NSF MRI Grant Lucent Glimmerglass Force10

Calit2’s Direct Access Core Architecture Will Create Next Generation Metagenomics Server Traditional User Response Request Source: Phil Papadopoulos, SDSC, Calit2 + Web Services Sargasso Sea Data Sorcerer II Expedition (GOS) JGI Community Sequencing Project Moore Marine Microbial Project NASA Goddard Satellite Data Community Microbial Metagenomics Data Flat File Server Farm W E B PORTAL Dedicated Compute Farm (100s of CPUs) TeraGrid: Cyberinfrastructure Backplane (scheduled activities, e.g. all by all comparison) (10000s of CPUs) Web (other service) Local Cluster Local Environment Direct Access Lambda Cnxns Data- Base Farm 10 GigE Fabric

OptIPuter@UCI is Up and Working Created 09-27-2005 by Garrett Hildebrand Modified 11-03-2005 by Jessica Yu 10 GE SPDS Catalyst 3750 in CSI ONS 15540 WDM at UCI campus MPOE (CPL) 10 GE DWDM Network Line Engineering Gateway Building, Catalyst 3750 in 3 rd floor IDF MDF Catalyst 6500 w/ firewall, 1 st floor closet Wave-2 : layer-2 GE. UCSD address space 137.110.247.210-222/28 Floor 2 Catalyst 6500 Floor 3 Catalyst 6500 Floor 4 Catalyst 6500 Wave-1 : UCSD address space 137.110.247.242-246 NACS-reserved for testing ESMF Catalyst 3750 in NACS Machine Room (Optiputer) Viz Lab Wave 1 1GE Wave 2 1GE Kim-Jitter Measurements This Week! Calit2 Building UCInet HIPerWall Los Angeles 1 GE DWDM Network Line Tustin CENIC Calren POP UCSD Optiputer Network

Calit2/SDSC Proposal to Create a UC Cyberinfrastructure of “On-Ramps” to National LambdaRail Resources OptIPuter + CalREN-XD + TeraGrid = “OptiGrid” Source: Fran Berman, SDSC , Larry Smarr, Calit2 Creating a Critical Mass of End Users on a Secure LambdaGrid UC San Francisco UC San Diego UC Riverside UC Irvine UC Davis UC Berkeley UC Santa Cruz UC Santa Barbara UC Los Angeles UC Merced

Scalable Adaptive Graphics Environment (SAGE) Defines the OptIPuter Source: David Lee, NCMIR, UCSD Live Streaming Video of the RTS-2000 Microscope HD Video from Remote BIRN Site Macro View of Montage Data Micro View of Montage Data HD Video from the RTS Microscope Room SAGE Developed Under Jason Leigh, EVL

Calit2@UCI Has the Largest Tiled Display Wall--HIPerWall Zeiss Scanning Electron Microscope in Calit2@ UCI Calit2@UCI Apple Tiled Display Wall Driven by 25 Dual-Processor G5s 50 Apple 30” Cinema Displays 200 Million Pixels of Viewing Real Estate! However, SAGE Must be Modified to Run on Mac Walls HDTV Digital Cameras Digital Cinema

The OptIPuter Enabled Collaboratory: Remote Researchers Jointly Exploring Complex Data OptIPuter will Connect The Calit2@UCI 200M-Pixel Wall to the 100M-Pixel Display at Calit2@UCSD With Shared Fast Deep Storage “ SunScreen” Run by Sun Opteron Cluster UCI UCSD

Combining Telepresence with Remote Interactive Analysis of Earth Sciences Data Over NLR SIO and NASA Goddard Space Flight Center Linked Using OptIPuter Technologies over a 10-Gbps National LambdaRail Dedicated Optical Path. "We added a virtual fifth wing," says NASA Emeritus Scientist M ilton Halem (August 8, 2005) SIO, NCMIR, Calit2, EVL, NASA Goddard and Ames, ANL, NLR and DRAGON staff worked on this demonstration OptIPuter Visualized Data HDTV Over Lambda Live Demonstration of 21st Century National-Scale Team Science

Adding Web and Grid Services to Lambdas to Provide Real Time Control of Ocean Observatories Goal: Prototype Cyberinfrastructure for NSF’s Ocean Research Interactive Observatory Networks (ORION) Building on OptIPuter LOOKING NSF ITR with PIs: John Orcutt & Larry Smarr - UCSD John Delaney & Ed Lazowska –UW Mark Abbott – OSU Collaborators at: MBARI, WHOI, NCSA, UIC, CalPoly, UVic, CANARIE, Microsoft, NEPTUNE-Canarie LOOKING: ( L aboratory for the O cean O bservatory K nowledge In tegration G rid) www.neptune.washington.edu http://lookingtosea.ucsd.edu/

First Remote Interactive High Definition Video Exploration of Deep Sea Vents Source John Delaney & Deborah Kelley, UWash Canadian-U.S. Collaboration

A Near Future Metagenomics Fiber Optic Cable Observatory Source John Delaney, UWash

Emerging U.S. Federal Government Initiative Source: Ervin Frazier, Rincon

Transitioning to the “Always-On” Mobile Internet http://www.etforecasts.com/products/ES_intusersv2.htm Cellular + WiFi

The Calit2@UCSD Building Was Designed for the Wireless Age Nine Antenna Pedestals on Roof Can Support Ericsson’s Latest Compact Base Station Or Antennas for a Macro Base Station Rooftop Research Shack Vector Network Analyzers Spectrum Analyzers CDMA Air Interface Software Test Tools Dedicated Fiber Optic and RF connections Between Labs Network of Interconnected Labs Antenna Garden, e.g. Roof Top Radio Base Station Lab, e.g. 6 th floor Radio Network Controller Lab, e.g. 5 th floor Always Best Connected & Located—Throughout Building GPS Re-Radiators in Labs Distribution of Timing Signals

The CWC Provides Calit2 With Deep Research in Many Component Areas Two Dozen ECE and CSE Faculty LOW-POWERED CIRCUITRY ANTENNAS AND PROPAGATION COMMUNICATION THEORY COMMUNICATION NETWORKS MULTIMEDIA APPLICATIONS RF Mixed A/D ASIC Materials Smart Antennas Adaptive Arrays Modulation Channel Coding Multiple Access Compression Architecture Media Access Scheduling End-to-End QoS Hand-Off Scalable Video Smart Spaces Speech Recognition Center for Wireless Communications Source: UCSD CWC

Convergence of Embedded Computers and Radios to Create “Smart Radios” Memory Protocol Processors Processors DSP Reconf. Logic Internet Source: Sujit Dey, UCSD ECE GPS RF Applications sensors Video

CalRADIO – A Calit2 Academic-Industrial Platform Launches Open Source Software Defined Radio Allows Researchers to Test Out New Algorithms and New Techniques for Wireless Communications Teaching Tool for Graduate and Undergraduate Researchers Developed with Industrial Partners Symbol Technologies—RF Module and Early MAC Code Texas Instruments—Development System Being Used in Calit2 Projects ResponseSphere, RESCUE, WIISARD Won Best Demo Award at Information Processing in Sensor Networks (IPSN’05) Souce: Doug Palmer, Calit2

Calit2 CalRADIO Smart Radio Hardware/Software Teaching & Research Platform CalRADIO-I Digital Signaling Processor + ARM Operating System RF WiFi (802.11x) Chip Set MAC Functionality into 'C' Code A Test Instrument, An Access Point, And A WiFi Client CalRADIO-II Gather Requirements and Specifications Layer 1 to Layer 7 Software Access Several RF Front-End Modules 802.11x 802.16 Cell General RF General Development Platform For Physical to Application Layers of Wireless Design http://research.calit2.net/calradio/ Physical layer Link layer Network layer Transport Session layer Presentation Application

CalRADIO Will Support Research in Many Areas MODEM Schemes CODEC Design Propagation Studies Channel Studies Adaptive Radio Software Radio Chip Design Diversity Methods MIMO signal processing ABC (Heterogeneous Connectivity) Low-Power Sensor Networks Embedded Processing Store-and-Forward Networks Ad Hoc Networks Mesh Networks Cognitive Radio Source: Douglas Palmer, Cal-(IT) 2 Allows for the Capability of Publishing Standards in Software/Firmware and Hardware

Can We Provide Access to Under-Utilized Assigned Spectrum? FCC Should Conduct and Publish Spectrum Occupancy Measurements to Identify Low Occupancy Bands “ In many bands, spectrum access is a more significant problem than physical scarcity of spectrum, in large part due to legacy command-and-control regulation that limits the ability of potential spectrum users to obtain such access.”—FCC Spectrum Policy Task Force Report No signals Medium and short duration signals

Emergence of Cognitive Radio: Promoting Efficient Use of Limited Spectrum Cognitive Radio is a RF Transmitter/Receiver Which: Detects Intelligently Whether a Particular Segment of the Radio Spectrum is Currently in Use Jumps into (and out of, as Necessary) the Temporarily-Unused Spectrum Very Rapidly Without Interfering with the Transmissions of Other Authorized Users Mobile Terminals Must be “Smart” Network Awareness Required Cooperation, Negotiation, and Reconfigurability are Necessary Frequency, Modulation, and Receiver Standards are Context Dependent Supporting Technologies – Ultra Wideband Systems Agile Antennas Digital Beam-Forming RF Systems Center for Wireless Communications

The Center for Networked Systems Technologies and Frameworks for Robust, Secure, and Open Networked Systems Diverse Research Projects Multiple faculty Multiple students Multidisciplinary CNS Research Theme Research Interests Project Proposals Center Faculty Member Companies

Collaborative Center for Internet Epidemiology and Defenses Joint project (UCSD/ICSI) One of Four National NSF CyberTrust Centers ~30 Participants (PIs, Staff, Students, etc) ~7M in Federal/State Funding : Microsoft, Intel, HP, VMWare, AT&T, Qualcomm With Additional Support Three Key Areas Of Interest Infrastructure and Analysis for Understanding Large-Scale Internet Threats Automated Defensive Technologies Forensic, Economic and Legal Issues Formed in November 2004 Source: Stefan Savage, CSE, UCSD www.ccied.org Principal Investigators Stefan Savage , UCSD Vern Paxson , ICSI Co-Principal Investigators Alex Snoeren, UCSD George Varghese , UCSD Geoffrey M. Voelker , UCSD Nicholas Weaver , ICSI

UCSD Network Telescope Network Telescope: Monitor Large Range of Unused IP Addresses Will Receive Scans from Infected Hosts (or DDoS Backscatter) Very Scalable. UCSD Telescope Monitors 17M+ Addresses Source: Stefan Savage, CSE, UCSD www.ccied.org

The Center for Pervasive Communications and Computing Will Have a Major Presence in the Calit2@UCI Building Director Ender Ayanoglu

Network Endpoints Are Becoming Complex Systems-on-Chip Two Trends: More Use of Chips with “Embedded Intelligence” Networking of These Chips Source: Rajesh Gupta, UCSD Director, Center for Microsystems Engineering Calit2 Has Created Nano/ MEMS Clean Rooms, RF, Embedded Processor & System-on-Chip Labs

A World of Distributed Sensors Starts with Integrated Nanosensors I. K. Schuller holding the first prototype I. K. Schuller, A. Kummel, M. Sailor, W. Trogler, Y-H Lo Developing Multiple Nanosensors on a Single Chip, with Local Processing and Wireless Communications Guided wave optics Aqueous bio/chem sensors Fluidic circuit Free space optics Physical sensors Gas/chemical sensors Electronics (communication, powering)

Research Topics of INRF / Calit2@UCI BioMEMS Team Micro Resonators for Wireless Communications Optical Coherence Tomography Mechanosensitivity Microplatforms Micro- and Nano- Fluidics Protein Crystallization in Nanovolumes Nano-Biosensors Catheter-Based Microtools Silicon-Based HF Ultrasonic Atomizers Smart Pills Bionic Ear

Collaborating with City, County, State Agencies A Classic “One-Institute, Two-Campus” Grant Project RESCUE Transforming Data Collection, Management, Analysis, Sharing, and Dissemination to Improve Crisis Response Five-Year $12.5 Million Large ITR Award-Started Oct 1, 2003 Twenty-Five Researchers and Professors UCI PI: Sharad Mehrotra, ICS UCSD PI: Ramesh Rao, ECE Univ. Maryland, Univ. Of Illinois, BYU, Univ. Colorado, ImageCat Community and Industrial Partners Cities of Los Angeles, Irvine, and San Diego County Partners: of Los Angeles State of California Ericsson, HNS, HP, Intersil, Parity, SAIC, SBC, Symbol, Qualcomm www.calit2.net/briefingPapers/unexpectd.html

RESCUE Community Advisory Board Ellis Stanley – Chair General Manager, City of Los Angeles Emergency Preparedness Department Karen Butler Program Manager Communications Division San Diego Police Department William Maheu Assistant Chief of Police City of San Diego David Rose Lieutenant Officer UC San Diego Police Department Linda Bogue Emergency Mgmt. Coordinator Environmental Health and Safety University of California, Irvine Jim Watkins (retired) Governor’s Office Emergency Services Bob Garrott Los Angeles County Office of Emergency Mgmt. Paulette Murphy Space and Naval Warfare Systems Command (SPAWAR) Dawna Finley Tom Hume Eileen Salmon City of Irvine Emergency Management

Research on Res ponding to C rises and U nexpected E vents (RESCUE) Information Flow Within the Responding Organizations and the Public PIs: Sharad Mehrotra, UCI; Ramesh Rao, UCSD Networking & Computing Systems Computing, Communication, & Storage Systems Under Extreme Situations Information Centric Computing Enhanced Situational Awareness Social & Disaster Science Context, Model & Understanding of Process, Organizational Structure, Needs Engineering & Transportation Validation Platform for Role of IT Research Security, Privacy& Trust Cross Cutting Issue at Every Level

NSF-Funded ResponSphere Establishes Calit2 Project Rescue Testbeds in Irvine and in San Diego Localized Site-Specific Disasters Via Crisis Response Drills Large Scale Regional Disasters Via Simulations Transportation (Simulation) – ImageCat Test & Validate IT and Social Science Research Within the Context of Regional Crisis Response CAMAS ( Crisis Assessment, Mitigation, And Analysis ) – UCI Campus Field-Test and Refine Research on Information Collection, Analysis, Sharing, and Dissemination in Controlled yet Realistic Settings GLQ ( Gaslamp Quarter , San Diego/UCSD) Ubiquitous Wireless Coverage in Downtown San Diego Test Network Architecture Enhancement and New Applications www.responsphere.org PI: Magda El Zarki, ICS, UCI

Current Information Management Tools for Mass Casualty Events are “Pre-Digital” Disaster Triage Tags 800 mHz Shared Radios Felt Pen/Whiteboard Fire Trucks and Chalk!

NSF RESCUE Strongly Coupled with NIH WIISARD Grant W ireless I nternet I nformation S ystem for Medic a l R esponse in D isasters First Tier Mid Tier Wireless Networks Triage Command Center Reality Flythrough Mobile Video 802.11 pulse ox Calit2 is Working Closely with the First Responder Community

Calit2 Cybershuttle Operations Base for Disaster Drills With Rapid Setup Wireless Mesh Network Self Configuring Mesh Network with Multiple Access Points that Aggregate Uplink Bandwidth with Auto-Reconfiguration and Fail-Over

Wireless Video Transmission Capability Major Improvement for Hazmat and Medical Units

Translating Field Experience Through CSTB

Calit2: a View Into the Future of the Wired and Unwired Internet

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Calit2: a View Into the Future of the Wired and Unwired Internet

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