Changes between Version 40 and Version 41 of GENIBibliography


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Timestamp:
06/27/16 14:45:20 (8 years ago)
Author:
Mark Berman
Comment:

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  • GENIBibliography

    v40 v41  
    10811081
    10821082<li>
     1083<b>Fund, Fraida and Lin, Regina and Korakis, Thanasis and Panwar, Shivendra S.</b>
     1084, &quot;How bad is the flat earth assumption? Effect of topography on wireless systems.&quot;
     10852016 14th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt), IEEE,
     10862016.
     1087doi:10.1109/&#x0025;2520wiopt.2016.7492907.
     1088<a href="http://dx.doi.org/10.1109/&#x0025;2520wiopt.2016.7492907">http://dx.doi.org/10.1109/&#x0025;2520wiopt.2016.7492907</a>
     1089<br><br><b>Abstract: </b>A common simplifying assumption made in wireless simulation and modeling is that the world is flat, i.e. to ignore the effect of the terrain in which the wireless signal propagates. In this paper, we show with empirical measurements from an urban wireless network testbed how the terrain affects the spatial and temporal correlation of the wireless signal, and in turn, the distance or duration over which the wireless signal remains consistent. Furthermore, we suggest that this effect has practical implications for systems that make assumptions about the duration over which wireless signal quality stays roughly the same, such as adaptive transmission schemes or applications that buffer data to smooth over variations in signal quality.
     1090</li>
     1091<br>
     1092
     1093
     1094
     1095<li>
    10831096<b>Fund, Fraida and Wang, Cong and Korakis, Thanasis and Zink, Michael and Panwar, Shivendra</b>
    10841097, &quot;GENI WiMAX Performance: Evaluation and Comparison of Two Campus Testbeds.&quot;
    … …  
    10881101<a href="http://dx.doi.org/10.1109/GREE.2013.23">http://dx.doi.org/10.1109/GREE.2013.23</a>
    10891102<br><br><b>Abstract: </b>In the last few years, there has been an increasing awareness of the need to evaluate new mobile applications and protocols in realistic wireless settings, and platforms such as the GENI WiMAX testbeds have been developed to fulfill this need. However, wireless testbed users have experienced frustration when straightforward usage scenarios do not consistently agree with the high data rates that are advertised by the wireless technology. This work seeks to clarify the performance characteristics of two GENI WiMAX testbeds under various wireless signal conditions and network traffic patterns. By measuring the performance of several popular wireless Internet applications in two very different wireless environments, we gain a deeper understanding of how a researcher may expect the GENI WiMAX platform to behave. Our findings include some counterintuitive results, e.g. that increasing signal quality can reduce application throughput, and that applications using a single TCP flow may achieve as much as 72&#x0025; less throughput than an application in an identical setting that uses multiple TCP flows. With this work, we hope to help other researchers design realistic experiments on wireless Internet systems, understand the perceived shortcomings of the GENI WiMAX platform, and interpret their experimental results in the context of the wireless setting in which the experiment was conducted.
     1103</li>
     1104<br>
     1105
     1106
     1107
     1108<li>
     1109<b>Fund, Fraida and Wang, Cong and Liu, Yong and Korakis, Thanasis and Zink, Michael and Panwar, Shivendra S.</b>
     1110, &quot;Performance of DASH and WebRTC Video Services for Mobile Users.&quot;
     11112013 20th International Packet Video Workshop, San Jose, CA, USA, IEEE,
     11122013.
     1113doi:10.1109/pv.2013.6691455.
     1114<a href="http://dx.doi.org/10.1109/pv.2013.6691455">http://dx.doi.org/10.1109/pv.2013.6691455</a>
     1115<br><br><b>Abstract: </b>With the confluence of the growing market for mobile Internet devices, and users' expectations of instant access to high-quality multimedia content, the delivery of video over wireless networks has become the challenge of the decade. Dynamic Adaptive Streaming over HTTP (DASH) and WebRTC are new and evolving standards that have been developed specifically to meet this demand and enable a high-quality experience for mobile users of video on demand and real time communication services, respectively. However, there has been no systematic study of how these services are experienced by users in a realistic mobile setting. In this work, we describe measurements collected from DASH and WebRTC implementations while moving at walking speeds through an 802.16e WiMAX network. Using data from the application, network, and physical layers, in different wireless environments, we identify characteristics of the cellular data network that directly impact the quality of video service, and suggest areas for further improvement.
    10901116</li>
    10911117<br>
    … …  
    11861212<li>
    11871213<b>Griffioen, J. and Fei, Zongming and Nasir, H. and Wu, Xiongqi and Reed, J. and Carpenter, C.</b>
     1214, &quot;The design of an instrumentation system for federated and virtualized network testbeds.&quot;
     1215Network Operations and Management Symposium (NOMS), 2012 IEEE, IEEE,
     12162012.
     1217doi:10.1109/NOMS.2012.6212061.
     1218<a href="http://dx.doi.org/10.1109/NOMS.2012.6212061">http://dx.doi.org/10.1109/NOMS.2012.6212061</a>
     1219<br><br><b>Abstract: </b>Much of the GENI effort in developing network testbeds has been focused on building the control frameworks needed to allocate and initialize the network resources that make up an experiment. We argue that building the instrumentation and measurement system to monitor and capture the behavior of the network is just as important and challenging as setting up the network itself, especially in a virtualized and federated environment where getting information from experimental nodes is too complicated and too much to handle for a typical user. In this paper, we describe the design of an instrumentation and measurement infrastructure that allows users to monitor their experiments. The challenge that virtualization and federation of GENI testbeds bring to instrumentation and monitoring is how to hide the details of instrumentation setup from users so that users do not need to be experts in system administration or network management of virtualized and federated systems, but are still able to ” see” what is going on with their experiments. Our instrumentation tool sets up experiment-specific monitoring infrastructure that is tailored to capture, record, and display only information associated with that experiment. Our tools are currently available in GENI, and we present a simple example of how to use them to instrument an experiment.
     1220</li>
     1221<br>
     1222
     1223<li>
     1224<b>Griffioen, J. and Fei, Zongming and Nasir, H. and Wu, Xiongqi and Reed, J. and Carpenter, C.</b>
    11881225, &quot;GENI-Enabled Programming Experiments for Networking Classes.&quot;
    11891226Research and Educational Experiment Workshop (GREE), 2013 Second GENI, IEEE,
    … …  
    11921229<a href="http://dx.doi.org/10.1109/gree.2013.30">http://dx.doi.org/10.1109/gree.2013.30</a>
    11931230<br><br><b>Abstract: </b>Although GENI has been readily embraced by the research community as a testbed for exploring new network architectures and services, its use as an educational tool has not seen the same level of acceptance and usage. There are multiple reasons for this, not the least of which is a lack of good examples showing how to use GENI in an educational setting. This paper attempts to remedy this by describing our experiences using GENI in our networking classes at the University of Kentucky. Using GENI as the experimental basis for the projects in our classes allowed us to leverage several of its rich set of features including its global span of resources, programmability, virtualization, and instrumentation and measurement tools. In particular, we describe two projects that we have used in our networking classes, and we share some of the experience we gained in the process. As a result, these experiences motivated us to develop and integrate new functions into the GENI desktop in order to make it easier to access and control GENI's various resources and tools.
    1194 </li>
    1195 <br>
    1196 
    1197 <li>
    1198 <b>Griffioen, J. and Fei, Zongming and Nasir, H. and Wu, Xiongqi and Reed, J. and Carpenter, C.</b>
    1199 , &quot;The design of an instrumentation system for federated and virtualized network testbeds.&quot;
    1200 Network Operations and Management Symposium (NOMS), 2012 IEEE, IEEE,
    1201 2012.
    1202 doi:10.1109/NOMS.2012.6212061.
    1203 <a href="http://dx.doi.org/10.1109/NOMS.2012.6212061">http://dx.doi.org/10.1109/NOMS.2012.6212061</a>
    1204 <br><br><b>Abstract: </b>Much of the GENI effort in developing network testbeds has been focused on building the control frameworks needed to allocate and initialize the network resources that make up an experiment. We argue that building the instrumentation and measurement system to monitor and capture the behavior of the network is just as important and challenging as setting up the network itself, especially in a virtualized and federated environment where getting information from experimental nodes is too complicated and too much to handle for a typical user. In this paper, we describe the design of an instrumentation and measurement infrastructure that allows users to monitor their experiments. The challenge that virtualization and federation of GENI testbeds bring to instrumentation and monitoring is how to hide the details of instrumentation setup from users so that users do not need to be experts in system administration or network management of virtualized and federated systems, but are still able to ” see” what is going on with their experiments. Our instrumentation tool sets up experiment-specific monitoring infrastructure that is tailored to capture, record, and display only information associated with that experiment. Our tools are currently available in GENI, and we present a simple example of how to use them to instrument an experiment.
    12051231</li>
    12061232<br>
    … …  
    15741600<li>
    15751601<b>Krishnappa, Dilip K. and Lyons, Eric and Irwin, David and Zink, Michael</b>
    1576 , &quot;Performance of GENI Cloud Testbeds for Real Time Scientific Application.&quot;
    1577 First GENI Research and Educational Experiment Workshop (GREE 2012), Los Angeles,
    1578 2012.
    1579 
    1580 
    1581 <br><br><b>Abstract: </b>Dedicating high end servers for short-term execution of scientific applications such as weather forecasting wastes resources. Cloud platforms IaaS model seems well suited for applications which are executed on an irregular basis and for short duration. In this paper, we evaluate the performance of research testbed cloud platforms such as GENICloud and ORCA cloud clusters for our real-time scientific application of short-term weather forecasting called Nowcasting. In this paper, we evaluate the network capabilities of these research cloud testbeds for our real-time application of weather forecasting. In addition, we evaluate the computation time of executing Nowcasting on each cloud platform for weather data collected from real weather events. We also evaluate the total time taken to generate and transmit short-term forecast images to end users with live data from our own radar on campus. We also compare the performance of each of these clusters for Nowcasting with commercial cloud services such as Amazon's EC2. The results obtained from our measurement show that cloud testbeds are suitable for real-time application experiments to be carried out on a cloud platform.
    1582 </li>
    1583 <br>
    1584 
    1585 <li>
    1586 <b>Krishnappa, Dilip K. and Lyons, Eric and Irwin, David and Zink, Michael</b>
    15871602, &quot;Network capabilities of cloud services for a real time scientific application.&quot;
    1588160337th Annual IEEE Conference on Local Computer Networks, Clearwater Beach, FL, USA, IEEE,
    … …  
    15941609<br>
    15951610
     1611<li>
     1612<b>Krishnappa, Dilip K. and Lyons, Eric and Irwin, David and Zink, Michael</b>
     1613, &quot;Performance of GENI Cloud Testbeds for Real Time Scientific Application.&quot;
     1614First GENI Research and Educational Experiment Workshop (GREE 2012), Los Angeles,
     16152012.
     1616
     1617
     1618<br><br><b>Abstract: </b>Dedicating high end servers for short-term execution of scientific applications such as weather forecasting wastes resources. Cloud platforms IaaS model seems well suited for applications which are executed on an irregular basis and for short duration. In this paper, we evaluate the performance of research testbed cloud platforms such as GENICloud and ORCA cloud clusters for our real-time scientific application of short-term weather forecasting called Nowcasting. In this paper, we evaluate the network capabilities of these research cloud testbeds for our real-time application of weather forecasting. In addition, we evaluate the computation time of executing Nowcasting on each cloud platform for weather data collected from real weather events. We also evaluate the total time taken to generate and transmit short-term forecast images to end users with live data from our own radar on campus. We also compare the performance of each of these clusters for Nowcasting with commercial cloud services such as Amazon's EC2. The results obtained from our measurement show that cloud testbeds are suitable for real-time application experiments to be carried out on a cloud platform.
     1619</li>
     1620<br>
     1621
    15961622
    15971623
    … …  
    16171643<a href="http://digitalcommons.unl.edu/computerscidiss/93/">http://digitalcommons.unl.edu/computerscidiss/93/</a>
    16181644<br><br><b>Abstract: </b>Software-defined Networking (SDN) promises to redefine the future of networking. Indeed, SDN-based networks have unique capabilities such as centralized control, flow abstraction, dynamic updating of forwarding rules and software-based traffic analysis. SDN-based networks decouple the data plane from the control plane, migrating the latter to a software controller. By adding a software layer between network devices and applications, features such as network virtualization and automated management are simpler to achieve. In this dissertation, we show how SDN-based deployments simplify network management at multiple scales such as campus and transport networks, as well as future Internet architectures. First, we propose OpenSec, an SDN-based security framework that allows network operators to implement security policies in campus networks. Second, we propose the eXtensible Traffic Engineering Framework (XTEF) to enable application-driven traffic engineering and provision transport network resources using on-demand Wavelength Division Multiplexing (WDM) tunnels. Third, we demonstrate how SDN can be used to dynamically create intra-domain cut-through switching tunnels to bypass the routing layer in MobilityFirst. Finally, we propose how to extend the cut-through capabilities to inter-domain routing in MobilityFirst. In our work, we run experiments on the GENI testbed (Global Environment for Network Innovations), the ORBIT (Open-Access Research Testbed for Next-Generation Wireless Networks) and Mininet. The results show that SDN can be used to simplify policy-based network management, virtualize an entire WAN as a single switch, create Wavelength Division Multiplexing (WDM) tunnels on demand and create inter-domain tunnels using techniques that scale better than traditional distributed methods.
     1645</li>
     1646<br>
     1647
     1648
     1649
     1650<li>
     1651<b>Lara, Adrian and Mukherjee, Shreyasee and Ramamurthy, Byrav and Raychaudhuri, Dipankar and Ramakrishnan, K. K.</b>
     1652, &quot;Inter-Domain Routing with Cut-Through Switching for the MobilityFirst Future Internet Architecture.&quot;
     1653EEE International Conference on Communications (ICC 2016), Kuala Lumpur,
     16542016.
     1655
     1656
     1657<br><br><b>Abstract: </b>Future Internet projects such as MobilityFirst and Named Data Networking have proposed novel mechanisms to replace the Internet Protocol to better support content delivery and mobility. However, the problem of efficient data transfer across the network core has not been adequately investigated. We tackle the challenge of inter-domain cut-through switching using software-defined networking (SDN). First, we propose and solve an optimization problem that minimizes the total transfer time using inter-domain tunnels. Second, we propose an SDN-based routing framework for the MobilityFirst architecture capable of dynamically creating such tunnels. The main novelty of this framework is to name tunnels as network objects to simplify how tunnels are created and maintained. To validate our framework, we implement on the GENI (Global Environment for Network Innovations) testbed a prototype for the MobilityFirst architecture. Our experiments with the optimization problem show that the inter-domain latency between controllers plays a key role on how tunnels are setup. Furthermore, our implementation experiments show that the control plane delay can be reduced by 75&#x0025; when using inter- domain tunnels. Finally, we show how our framework needs fewer messages than current protocols such as label distribution protocol (LDP) to setup intra-domain and inter-domain tunnels.
    16191658</li>
    16201659<br>
    … …  
    22072246<li>
    22082247<b>Ozcelik, Ilker and Brooks, Richard R.</b>
    2209 , &quot;Operational System Testing for Designed in Security.&quot;
    2210 Proceedings of the Eighth Annual Cyber Security and Information Intelligence Research Workshop, Oak Ridge, Tennessee, ACM, New York, NY, USA,
    2211 2013.
    2212 doi:10.1145/2459976.2460038.
    2213 <a href="http://dx.doi.org/10.1145/2459976.2460038">http://dx.doi.org/10.1145/2459976.2460038</a>
    2214 <br><br><b>Abstract: </b>To design secure systems, one needs to understand how attackers use system vulnerabilities in their favor. This requires testing vulnerabilities on operational systems. However, working on operational systems is not always possible because of the risk of disturbance. In this study, we introduce an approach to experimenting using operational system data and performing real attacks without disturbing the original system. We applied this approach to a network security experiment and tested the performance of three detection methods. The approach used in this study can be used when developing systems with Designed-in Security to identify and test system vulnerabilities.
    2215 </li>
    2216 <br>
    2217 
    2218 <li>
    2219 <b>Ozcelik, Ilker and Brooks, Richard R.</b>
    22202248, &quot;Security experimentation using operational systems.&quot;
    22212249Proceedings of the Seventh Annual Workshop on Cyber Security and Information Intelligence Research, Oak Ridge, Tennessee, ACM, New York, NY, USA,
    … …  
    22242252<a href="http://dx.doi.org/10.1145/2179298.2179388">http://dx.doi.org/10.1145/2179298.2179388</a>
    22252253<br><br><b>Abstract: </b>Computers and Internet have evolved into necessary tools for our professional, personal and social lives. As a result of this growing dependence, there is a concern that these systems remain protected and available. This concern increases exponentially when considering systems such as smart power grids. Therefore, research should be conducted to develop effective ways of detecting system anomalies. To have realistic results, the studies should be tested on real systems. However, it is not possible to test these experiments on the live network. With the recent collaboration of Universities and research labs, a new experiment test bed has been established. As a result, experiments can now be implemented on real networks. In our study, we design an experiment to analyze Distributed Denial of Service Attacks (DDoS Attack) on a real network with real Internet traffic. The approach that we use in our study can easily be generalized to apply to smart power grids.
     2254</li>
     2255<br>
     2256
     2257<li>
     2258<b>Ozcelik, Ilker and Brooks, Richard R.</b>
     2259, &quot;Operational System Testing for Designed in Security.&quot;
     2260Proceedings of the Eighth Annual Cyber Security and Information Intelligence Research Workshop, Oak Ridge, Tennessee, ACM, New York, NY, USA,
     22612013.
     2262doi:10.1145/2459976.2460038.
     2263<a href="http://dx.doi.org/10.1145/2459976.2460038">http://dx.doi.org/10.1145/2459976.2460038</a>
     2264<br><br><b>Abstract: </b>To design secure systems, one needs to understand how attackers use system vulnerabilities in their favor. This requires testing vulnerabilities on operational systems. However, working on operational systems is not always possible because of the risk of disturbance. In this study, we introduce an approach to experimenting using operational system data and performing real attacks without disturbing the original system. We applied this approach to a network security experiment and tested the performance of three detection methods. The approach used in this study can be used when developing systems with Designed-in Security to identify and test system vulnerabilities.
    22262265</li>
    22272266<br>
    … …  
    23452384
    23462385<li>
     2386<b>Rama Akula, Amit K.</b>
     2387, &quot;App chaining software-as-a-service for an advanced manufacturing marketplace (Master's Thesis).&quot;
     2388
     23892015.
     2390
     2391
     2392<br><br><b>Abstract: </b>Advances in the field of cloud computing and networking have led to development of Marketplaces (e.g., Awesim) that support Advanced Manufacturing enterprises consisting of Apps. These Marketplaces host Apps that perform simulation and modeling on specialized designs (e.g., pipes, automobile parts). However, the salient limitation in these App Marketplaces is the lack of a development environment that supports effective runtime capabilities for 'Agile Manufacturing' that efficiently and cost-effectively integrates several Apps when building innovative products. To address this problem, we propose a new Software-as-a-Service based App Runtime for the Marketplace environment that can be utilized for agile development of 'Apps' that involve high-performance modeling and simulation. Our solution approach features a web framework for the App runtime that chains together generic set of 'Apps' that run complex simulation jobs on Supercomputer and publish customer facing results. We demonstrate how multiple Apps can be chained using our web framework for a product case study viz., 'WheelSim' deployed in the NSF GENI Cloud platform. Our results show improved App development convenience via rich UI elements interacting with RESTful web services and through dynamic chaining of workflows. Our study also provides App developers with insights pertaining to estimation of resource cost for App pricing issues in the manufacturing Marketplace.
     2393</li>
     2394<br>
     2395
     2396
     2397
     2398<li>
    23472399<b>Ramisetty, Shravya and Calyam, Prasad and Cecil, J. and Akula, Amit R. and Antequera, Ronny B. and Leto, Ray</b>
    23482400, &quot;Ontology integration for advanced manufacturing collaboration in cloud platforms.&quot;
    … …  
    32143266
    32153267<li>
     3268<b>Wang, Cong and Zink, Michael</b>
     3269, &quot;On the Feasibility of DASH Streaming in the Cloud.&quot;
     3270Proceedings of Network and Operating System Support on Digital Audio and Video Workshop (NOSSDAV '14),
     32712014.
     3272
     3273
     3274<br><br><b>Abstract: </b>As shown in recent studies, video streaming is by far the biggest category of backbone Internet traffic in the US. As a measure to reduce the cost of highly over-provisioned physical infrastructures while remaining the quality of video services, many streaming service providers started to use cloud services where physical resources can be dynamically allocated based on current demand. This paper characterizes the performance of Dynamic Adaptive Streaming over HTTP (DASH), a new MPEG standard on adaptive streaming, in the cloud. We seek to answer the following questions that are critical to content providers that are hosting video in clouds: Which data center is the best to host videos? Does geographical distance matter? What type of instance is best suitable depending on different needs? How to efficiently solve the trade-off between performance and cost? The measurement methods and results presented in this paper can be easily expanded into other VoD services, and they allow us to i) characterize DASH behavior when streaming from the cloud; ii) identify the key factors that influence the DASH performance; and iii) suggest improvements for related services.
     3275</li>
     3276<br>
     3277
     3278
     3279
     3280<li>
    32163281<b>Wang, Han and Lee, Ki S. and Li, Erluo and Lim, Chiun L. and Tang, Ao and Weatherspoon, Hakim</b>
    32173282, &quot;Timing is Everything: Accurate, Minimum Overhead, Available Bandwidth Estimation in High-speed Wired Networks.&quot;
    … …  
    33453410<li>
    33463411<b>Xin, Yufeng and Baldin, Ilya and Heermann, Chris and Mandal, Anirban and Ruth, Paul</b>
     3412, &quot;Capacity of Inter-cloud Layer-2 Virtual Networking.&quot;
     3413Proceedings of the 2014 ACM SIGCOMM Workshop on Distributed Cloud Computing, Chicago, Illinois, USA, ACM, New York, NY, USA,
     34142014.
     3415doi:10.1145/2627566.2627573.
     3416<a href="http://dx.doi.org/10.1145/2627566.2627573">http://dx.doi.org/10.1145/2627566.2627573</a>
     3417<br><br><b>Abstract: </b>Due to the economy of scale of Ethernet networks and available dynamic circuit capability from the major national research and educational networks, VLAN (Virtual LAN) based virtual networking solution has been successfully adopted in some advanced distributed cloud systems. However, there are two major constraints in this adaptation: (1) dynamic circuit service is far from pervasive; (2) there is only limited VLAN tags offered by regional network service providers. In this paper, after examining layer-2 networking in large-scale distributed cloud environments, we present a graph theoretical model to study the network capacity in terms of the number of inter-cloud connections that can co-exist. We further design the algorithms to achieve this capacity for both point-to-point and multi-point inter-cloud connections in both static and dynamic scenarios. We also study a general topology embedding problem based on this model. As tagging is a common mechanism for isolating communication channels in other network layers, the proposed models and algorithms can be extended to optical and IP networks.
     3418</li>
     3419<br>
     3420
     3421<li>
     3422<b>Xin, Yufeng and Baldin, Ilya and Heermann, Chris and Mandal, Anirban and Ruth, Paul</b>
    33473423, &quot;Scaling up applications over distributed clouds with dynamic layer-2 exchange and broadcast service.&quot;
    33483424Teletraffic Congress (ITC), 2014 26th International, IEEE,
    … …  
    33513427<a href="http://dx.doi.org/10.1109/itc.2014.6932973">http://dx.doi.org/10.1109/itc.2014.6932973</a>
    33523428<br><br><b>Abstract: </b>In this paper, we study the problem of provisioning large-scale virtual clusters over federated clouds connected by multi-domain, layer-2 wide area networks. We first present the virtual cluster request abstraction and the abstraction models for substrate resource pools. Based on these two abstraction models, we developed a novel layer-2 exchange mechanism and an implementation of it in a multi-domain networked cloud environment. The design of the mechanism takes into consideration the realistic constraints in current network and cloud systems. We show that efficient cluster splitting, cloud data center selection and resource allocation algorithms can be developed to provision large-scale virtual clusters across cloud sites. A prototype system has been deployed and integrated into the ExoGENI testbed for about a year, and is being heavily used by scientific and data analytic applications.
    3353 </li>
    3354 <br>
    3355 
    3356 <li>
    3357 <b>Xin, Yufeng and Baldin, Ilya and Heermann, Chris and Mandal, Anirban and Ruth, Paul</b>
    3358 , &quot;Capacity of Inter-cloud Layer-2 Virtual Networking.&quot;
    3359 Proceedings of the 2014 ACM SIGCOMM Workshop on Distributed Cloud Computing, Chicago, Illinois, USA, ACM, New York, NY, USA,
    3360 2014.
    3361 doi:10.1145/2627566.2627573.
    3362 <a href="http://dx.doi.org/10.1145/2627566.2627573">http://dx.doi.org/10.1145/2627566.2627573</a>
    3363 <br><br><b>Abstract: </b>Due to the economy of scale of Ethernet networks and available dynamic circuit capability from the major national research and educational networks, VLAN (Virtual LAN) based virtual networking solution has been successfully adopted in some advanced distributed cloud systems. However, there are two major constraints in this adaptation: (1) dynamic circuit service is far from pervasive; (2) there is only limited VLAN tags offered by regional network service providers. In this paper, after examining layer-2 networking in large-scale distributed cloud environments, we present a graph theoretical model to study the network capacity in terms of the number of inter-cloud connections that can co-exist. We further design the algorithms to achieve this capacity for both point-to-point and multi-point inter-cloud connections in both static and dynamic scenarios. We also study a general topology embedding problem based on this model. As tagging is a common mechanism for isolating communication channels in other network layers, the proposed models and algorithms can be extended to optical and IP networks.
    33643429</li>
    33653430<br>
    … …  
    44594524
    44604525<li>
     4526<b>Fund, Fraida and Lin, Regina and Korakis, Thanasis and Panwar, Shivendra S.</b>
     4527, &quot;How bad is the flat earth assumption? Effect of topography on wireless systems.&quot
     45282016 14th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt), IEEE,
     45292016.
     4530doi:10.1109/&#x0025;2520wiopt.2016.7492907.
     4531</li>
     4532<br>
     4533
     4534
     4535
     4536<li>
    44614537<b>Fund, Fraida and Wang, Cong and Korakis, Thanasis and Zink, Michael and Panwar, Shivendra</b>
    44624538, &quot;GENI WiMAX Performance: Evaluation and Comparison of Two Campus Testbeds.&quot
    … …  
    446445402013.
    44654541doi:10.1109/GREE.2013.23.
     4542</li>
     4543<br>
     4544
     4545
     4546
     4547<li>
     4548<b>Fund, Fraida and Wang, Cong and Liu, Yong and Korakis, Thanasis and Zink, Michael and Panwar, Shivendra S.</b>
     4549, &quot;Performance of DASH and WebRTC Video Services for Mobile Users.&quot
     45502013 20th International Packet Video Workshop, San Jose, CA, USA, IEEE,
     45512013.
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