Search results for: Jim Kurose

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article

On the Complexity of Optimal Request Routing and Content Caching in Heterogeneous Cache Networks

Mostafa Dehghan, Bo Jiang, Anand Seetharam, Ting He, more

IEEE/ACM Transactions on Networking > 2017 > 25 > 3 > 1635 - 1648

In-network content caching has been deployed in both the Internet and cellular networks to reduce content-access delay. We investigate the problem of developing optimal joint routing and caching policies in a network supporting in-network caching with the goal of minimizing expected content-access delay. Here, needed content can either be accessed directly from a back-end server (where content resides...

chapter

Exploiting the IPID Field to Infer Network Path and End-System Characteristics

Weifeng Chen, Yong Huang, Bruno F. Ribeiro, Kyoungwon Suh, more

Lecture Notes in Computer Science > Passive and Active Network Measurement > Section 3: Network Inference and Problem Diagnosis > 108-120

In both active and passive network Internet measurements, the IP packet has a number of important header fields that have played key roles in past measurement efforts, e.g., IP source/destination address, protocol, TTL, port, and sequence number/acknowledgment. The 16-bit identification field (IPID) has only recently been studied to determine what information it might yield for network measurement...

chapter

On Dynamic Subset Difference Revocation Scheme

Weifeng Chen, Zihui Ge, Chun Zhang, Jim Kurose, more

Lecture Notes in Computer Science > Networking 2004 > Key Management > 743-758

Subset Difference Revocation (SDR) [8] has been proposed to perform group rekeying in a stateless manner. However, statelessness comes at a cost in terms of storage and message overhead when the number of currently active members is much smaller than the number of potential group members [3]. We propose a dynamic SDR scheme to address these problems. Rather than maintaining a large static key tree...

chapter

Performance Modeling of Epidemic Routing

Xiaolan Zhang, Giovanni Neglia, Jim Kurose, Don Towsley

Lecture Notes in Computer Science > NETWORKING 2006. Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications Systems > Mobile Ad-Hoc Networks III > 827-839

In this paper, we develop a rigorous, unified framework based on Ordinary Differential Equations (ODEs) to study epidemic routing and its variations. These ODEs can be derived as limits of Markovian models under a natural scaling as the number of nodes increases. While an analytical study of Markovian models is quite complex and numerical solution impractical for large networks, the corresponding...

chapter

Efficient Recovery from False State in Distributed Routing Algorithms

Daniel Gyllstrom, Sudarshan Vasudevan, Jim Kurose, Gerome Miklau

Lecture Notes in Computer Science > NETWORKING 2010 > Addressing and Routing > 198-212

Malicious and misconfigured nodes can inject incorrect state into a distributed system, which can then be propagated system-wide as a result of normal network operation. Such false state can degrade the performance of a distributed system or render it unusable. For example, in the case of network routing algorithms, false state corresponding to a node incorrectly declaring a cost of 0 to all destinations...

chapter

Activating and Deactivating Repair Servers in Active Multicast Trees

Ping Ji, Jim Kurose, Don Towsley

Lecture Notes in Computer Science > Evolutionary Trends of the Internet > Performance Modeling and Measurement of Internet Protocols > 507-523

For time-constrained applications, repair-server-based active local recovery approaches can be valuable in providing low-latency reliable multicast service. However, an active multicast repair service consumes resources at the repair servers in the multicast tree. Ascheme was thus presented in [10] to dynamically activate/deactivate repair servers with the goal of using as few system resources (repair...

chapter

An End-User-Responsive Sensor Network Architecture for Hazardous Weather Detection, Prediction and Response

Jim Kurose, Eric Lyons, David McLaughlin, David Pepyne, more

Lecture Notes in Computer Science > Technologies for Advanced Heterogeneous Networks II > Keynote Paper 1 > 1-15

We present an architecture for a class of systems that perform distributed, collaborative, adaptive sensing (DCAS) of the atmosphere. Since the goal of these DCAS systems is to sense the atmosphere when and where the user needs are greatest, end-users naturally play the central role in determining how system resources (sensor targeting, computation, communication) are deployed. We describe the meteorological...

chapter

NetRad: Distributed, Collaborative and Adaptive Sensing of the Atmosphere Calibration and Initial Benchmarks

Michael Zink, David Westbrook, Eric Lyons, Kurt Hondl, more

Lecture Notes in Computer Science > Distributed Computing in Sensor Systems > Invited Posters > 395-396

We are currently building a NetRad prototype system to be deployed in southwestern Oklahoma, consisting of four mechanically scanned X-band radars atop small towers, and a central control site (later to be decentralized as the number of radars increases) known as the System Operations and Control Center (SOCC). The SOCC consists of a cluster of commodity processors and storage on which the Meteorological...

chapter

Optimization-Based Congestion Control for Multicast Communications

Jonathan K. Shapiro, Don Towsley, Jim Kurose

Lecture Notes in Computer Science > NETWORKING 2002: Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communications > Resource Allocation I > 423-442

Widespread deployment of multicast depends on the existence of congestion control protocols that are provably fair to unicast traffic. In this work, we present an optimization-based congestion control mechanism for single-rate multicast communication with provable fairness properties. The optimization-based approach attempts to find an allocation of rates that maximizes the aggregate utility of the...

chapter

Cache content-selection policies for streaming video services

Stefan Dernbach, Nina Taft, Jim Kurose, Udi Weinsberg, more

IEEE INFOCOM 2016 - The 35th Annual IEEE International Conference on Computer Communications > 1 - 9

IEEE INFOCOM 2016 - IEEE Conference on Computer Communications

The majority of internet traffic is now dominated by streamed video content. As video quality continues to increase, the strain that streaming traffic places on the network infrastructure also increases. Caching content closer to users, e.g., using Content Distribution Networks, is a common solution to reduce the load on the network. A simple approach to selecting what to put in regional caches is...

article

A Markovian Model for Coarse-Timescale Channel Variation in Wireless Networks

Anand Seetharam, Jim Kurose, Dennis Goeckel

IEEE Transactions on Vehicular Technology > 2016 > 65 > 3 > 1701 - 1710

A wide range of wireless channel models has been developed to model variations in received signal strength. In contrast to prior work, which has focused primarily on channel modeling on a short per-packet timescale (millisecond), we develop and validate a finite-state Markovian model that captures variations due to shadowing, which occur at coarser timescales. The Markov chain is constructed by partitioning...

chapter

An analysis of opportunistic forwarding for correlated wireless channels

Anand Seetharam, Jim Kurose

2015 IEEE 16th International Symposium on A World of Wireless, Mobile and Multimedia Networks (WoWMoM) > 1 - 3

2015 IEEE 16th International Symposium on "A World of Wireless, Mobile and Multimedia Networks" (WoWMoM)

A variety of forwarding strategies have been developed for multi-hop wireless networks, considering the broadcast nature of the wireless medium and the presence of fading channels that result in time-varying and unreliable transmission quality. One such strategy is opportunistic forwarding, which exploits relay diversity by opportunistically selecting an overhearing relay as a forwarder. Prior work...

chapter

On the complexity of optimal routing and content caching in heterogeneous networks

Mostafa Dehghan, Anand Seetharam, Bo Jiang, Ting He, more

2015 IEEE Conference on Computer Communications (INFOCOM) > 936 - 944

IEEE INFOCOM 2015 - IEEE Conference on Computer Communications

We investigate the problem of optimal request routing and content caching in a heterogeneous network supporting in-network content caching with the goal of minimizing average content access delay. Here, content can either be accessed directly from a back-end server (where content resides permanently) or be obtained from one of multiple in-network caches. To access a piece of content, a user must decide...

chapter

Measurement and modeling of user transitioning among networks

Sookhyun Yang, Jim Kurose, Simon Heimlicher, Arun Venkataramani

2015 IEEE Conference on Computer Communications (INFOCOM) > 828 - 836

IEEE INFOCOM 2015 - IEEE Conference on Computer Communications

Physical human mobility has played an important role in the design and operation of mobile networks. Physical mobility, however, differs from user identity (name) mobility in both traditional mobility management protocols such as Mobile-IP and in new architectures, such as XIA and MobilityFirst, that support identity mobility and location independence as first class objects. A multi-homed stationary...

chapter

An expanding and expansive view of computing, and the special role of pervasive computing

Jim Kurose

2015 IEEE International Conference on Pervasive Computing and Communications (PerCom) > 186

2015 IEEE International Conference on Pervasive Computing and Communications (PerCom)

Advances in computer and information science and engineering (CISE) are providing unprecedented opportunities for research and education often at the interfaces between these disciplines and many others. I will provide a general overview of CISE at the National Science Foundation and include a discussion of current trends that are shaping the future of our disciplines. I will also discuss the critical...

article

On Managing Quality of Experience of Multiple Video Streams in Wireless Networks

Anand Seetharam, Partha Dutta, Vijay Arya, Jim Kurose, more

IEEE Transactions on Mobile Computing > 2015 > 14 > 3 > 619 - 631

Managing the Quality-of-Experience (QoE) of video streaming for wireless clients is becoming increasingly important due to the rapid growth of video traffic on wireless networks. The inherent variability of the wireless channel as well as the Variable Bit Rate (VBR) of the compressed video streams make QoE management a challenging problem. In this paper, we investigate scheduling algorithms to transmit...

chapter

Routing with adaptive flooding in heterogeneous mobile networks

Anand Seetharam, Simon Heimlicher, Jim Kurose, Wei Wei

2015 7th International Conference on Communication Systems and Networks (COMSNETS) > 1 - 8

2015 7th International Conference on Communication Systems and Networks (COMSNETS)

In practice, Mobile Ad Hoc Networks (MANETs) must operate efficiently under a wide range of node mobility and link quality regimes. Stateful protocols such as OLSR are suitable for networks connected by stable paths, but are outperformed by stateless flooding in sparse and rapidly changing networks. Neither routing nor flooding alone perform well in heterogeneous networks comprised of both stable...

chapter

Recovery from link failures in a Smart Grid communication network using OpenFlow

Daniel Gyllstrom, Nicholas Braga, Jim Kurose

2014 IEEE International Conference on Smart Grid Communications (SmartGridComm) > 254 - 259

2014 IEEE International Conference on Smart Grid Communications (SmartGridComm)

In this paper, we design and evaluate algorithms for fast recovery from link failures in a smart grid communication network, addressing all three aspects of link failure recovery: (a) link failure detection, (b) algorithms for computing backup multicast trees, and (c) fast backup tree installation. To address (a), we design link-failure detection and reporting mechanisms that use OpenFlow to detect...

chapter

Optimal Caching and Routing in Hybrid Networks

Mostafa Dehghan, Anand Seetharamz, Ting He, Theodoros Salonidis, more

2014 IEEE Military Communications Conference > 1072 - 1078

2014 IEEE Military Communications Conference (MILCOM)

Hybrid networks consisting of MANET nodes and cellular infrastructure have been recently proposed to improve the performance of military networks. Prior work has demonstrated the benefits of in-network content caching in a wired, Internet context. We investigate the problem of developing optimal routing and caching policies in a hybrid network supporting in-network caching with the goal of minimizing...

chapter

Capacity of Cache Enabled Content Distribution Wireless Ad Hoc Networks

Benyuan Liu, Victor Firoiu, Jim Kurose, May Leung, more

2014 IEEE 11th International Conference on Mobile Ad Hoc and Sensor Systems > 309 - 317

2014 IEEE 11th International Conference on Mobile Ad Hoc and Sensor Systems (MASS)

While wireless ad hoc networks have a wide range of applications in environment monitoring, military operations, and disaster recovery, etc, the full potential of such networks is inherently hindered by their diminishing capacity as the network size scales up. Content caching has been previously proposed to improve the availability of contents in a network and thus helps to alleviate the load on content...

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INFONA - science communication portal

Search results for: Jim Kurose

On the Complexity of Optimal Request Routing and Content Caching in Heterogeneous Cache Networks

Exploiting the IPID Field to Infer Network Path and End-System Characteristics

On Dynamic Subset Difference Revocation Scheme

Performance Modeling of Epidemic Routing

Efficient Recovery from False State in Distributed Routing Algorithms

Activating and Deactivating Repair Servers in Active Multicast Trees

An End-User-Responsive Sensor Network Architecture for Hazardous Weather Detection, Prediction and Response

NetRad: Distributed, Collaborative and Adaptive Sensing of the Atmosphere Calibration and Initial Benchmarks

Optimization-Based Congestion Control for Multicast Communications

Cache content-selection policies for streaming video services

A Markovian Model for Coarse-Timescale Channel Variation in Wireless Networks

An analysis of opportunistic forwarding for correlated wireless channels

On the complexity of optimal routing and content caching in heterogeneous networks

Measurement and modeling of user transitioning among networks

An expanding and expansive view of computing, and the special role of pervasive computing

On Managing Quality of Experience of Multiple Video Streams in Wireless Networks

Routing with adaptive flooding in heterogeneous mobile networks

Recovery from link failures in a Smart Grid communication network using OpenFlow

Optimal Caching and Routing in Hybrid Networks

Capacity of Cache Enabled Content Distribution Wireless Ad Hoc Networks

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