• Publications
  • Influence
Algorithms for Assigning Substrate Network Resources to Virtual Network Components
  • Yong Zhu, M. Ammar
  • Computer Science
  • Proceedings IEEE INFOCOM . 25TH IEEE…
  • 23 April 2006
Recent proposals for network virtualization provide a promising way to overcome the Internet ossification. The key idea of network virtualization is to build a diversified Internet to support aExpand
  • 766
  • 101
  • PDF
A message ferrying approach for data delivery in sparse mobile ad hoc networks
Mobile Ad Hoc Networks (MANETs) provide rapidly deployable and self-configuring network capacity required in many critical applications, e.g., battlefields, disaster relief and wide area sensing. InExpand
  • 1,384
  • 69
  • PDF
Controlling the mobility of multiple data transport ferries in a delay-tolerant network
As technology rapidly progresses, more devices will combine both communication and mobility capabilities. With mobility in devices, we envision a new class of proactive networks that are able toExpand
  • 489
  • 41
  • PDF
Serendipity: enabling remote computing among intermittently connected mobile devices
Mobile devices are increasingly being relied on for services that go beyond simple connectivity and require more complex processing. Fortunately, a mobile device encounters, possibly intermittently,Expand
  • 312
  • 36
  • PDF
The Grid Protocol: A High Performance Scheme for Maintaining Replicated Data
A new protocol for maintaining replicated data that can provide both high data availability and low response time is presented. In the protocol, the nodes are organized in a logical grid. ExistingExpand
  • 280
  • 31
  • PDF
PeopleRank: Social Opportunistic Forwarding
In opportunistic networks, end-to-end paths between two communicating nodes are rarely available. In such situations, the nodes might still copy and forward messages to nodes that are more likely toExpand
  • 279
  • 26
  • PDF
A reputation system for peer-to-peer networks
We investigate the design of a reputation system for decentralized unstructured P2P networks like Gnutella. Having reliable reputation information about peers can form the basis of an incentiveExpand
  • 510
  • 24
  • PDF
Message ferrying: proactive routing in highly-partitioned wireless ad hoc networks
  • W. Zhao, M. Ammar
  • Computer Science
  • The Ninth IEEE Workshop on Future Trends of…
  • 28 May 2003
An ad hoc network allows devices with wireless interfaces to communicate with each other without any pre-installed infrastructure. Due to node mobility, limited radio power, node failure and wideExpand
  • 414
  • 24
On the predictability of large transfer TCP throughput
Predicting the throughput of large TCP transfers is important for a broad class of applications. This paper focuses on the design, empirical evaluation, and analysis of TCP throughput predictors. WeExpand
  • 197
  • 23
  • PDF
Multicasting in delay tolerant networks: semantic models and routing algorithms
Delay tolerant networks (DTNs) are a class of emerging networks that experience frequent and long-duration partitions. These networks have a variety of applications in situations such as crisisExpand
  • 242
  • 21
  • PDF