Michael J. Demmer
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Most practical techniques for locating remote objects in a distributed system suffer from problems of scalability and locality of reference. We have devised the Arrow distributed directory protocol,… Expand
We consider the problem of routing in a delay tolerant network (DTN) in the presence of path failures. Previous work on DTN routing has focused on using precisely known network dynamics, which does… Expand
In this paper we present an analysis of HTTP traffic captured from Internet cafés and kiosks from two different developing countries -- Cambodia and Ghana. This paper has two main contributions. The… Expand
The work we've done in the world's developing regions has been immensely rewarding and helped make us all strong advocates for technology. The first reward is simply the experience of these… Expand
We consider the problem of routing in delay tolerant networks deployed in developing regions. Although these environments experience intermittent connectivity (hence the desire to use DTN), in many… Expand
Alongside good governance, technology is considered among the greatest enablers for improved quality of life. However, the majority of its benefits have been concentrated in industrialized nations… Expand
The recently proposed Delay Tolerant Networking (DTN) architecture aims at supporting efficient messagebased communication over intermittent networks. This paper describes our experience in creating… Expand
This document describes the protocol for the TCP-based convergence layer for Delay-Tolerant Networking (DTN). It is the product of the IRTF's DTN Research Group (DTNRG).
We contend that a new networking API could better serve the needs of dataand service-oriented applications, and could more easily map to heterogeneous environments, than the pervasive Sockets API… Expand
TierStore is a distributed filesystem that simplifies the development and deployment of applications in challenged network environments, such as those in developing regions. For effective support of… Expand