Trickle is a an extension to the Python programming language that provides explicit but simple mechanisms to write distributed scripts and programs. Trickle links together remote Python interpreters running on heterogeneous machines so that work can be deployed and results collected. A Trickle program interacts with remote interpreters by injecting functions or classes. Remote objects can be in...

The IPv6 Routing Protocol for Low Power and Lossy networks (RPL) is a routing protocol standardized by the Internet Engineering Task Force. According to specification of protocol, Trickle algorithm adopted dissemination route construction information among nodes in such networks. Since originally designed code propagation maintenance Wireless Sensor Networks, when using formation network there ...

The Trickle algorithm has been proposed as a suitable protocol for effective and efficient distribution and maintenance of code in wireless sensor networks. In this report we analyze the suitability of the Trickle algorithm for lighting control in terms of its parameter settings. We do this by developing and analyzing mathematical models of the Trickle algorithm assuming interference-free netwo...

One of the most critical barriers to widespread adoption of electric cars is the lack of charging station infrastructure. Although it is expected that a sufficient number of charging stations will be constructed eventually, due to various practical reasons they may have to be introduced gradually over time. In this paper, we formulate a multi-period optimization model based on a flow-refueling ...

We consider a model of occupational choice in large economies where individuals differ in their wealth endowment. Individuals can remain self-employed or engage in productive matches with another individual, i.e., form firms. Matches are subject to a moral hazard problem with limited liability. The division of the gains from such matches is determined by competitive forces. When the incentive p...

We present Trickle, an algorithm for propagating and maintaining code updates in wireless sensor networks. Trickle uses a “polite gossip” policy, where nodes periodically broadcast a code summary to local neighbors but stay quiet if they have recently heard a summary identical to theirs. When a node hears an older summary than its own, it broadcasts an update. Instead of flooding a network with...

YouTube traffic is bursty. These bursts trigger packet losses and stress router queues, causing TCP’s congestion-control algorithm to kick in. In this paper, we introduce Trickle, a server-side mechanism that uses TCP to rate limit YouTube video streaming. Trickle paces the video stream by placing an upper bound on TCP’s congestion window as a function of the streaming rate and the round-trip t...

Wireless sensor networks require communication protocols for efficiently propagating data in a distributed fashion. The Trickle algorithm is a popular protocol serving as the basis for many of the current standard communication protocols. In this paper we develop a mathematical model describing how Trickle propagates new data across a network consisting of nodes placed on a line. The model is a...

INTRODUCTION The conversion of synthesis gas to methanol is practiced commercially in gas phase fixed bed reactors over a Cu/Zn/Al,O1 catalyst. However, because of the highly exothermic nature of the synthesis reactions, heat dissipation has been a bottleneck in the reactor design and process configuration. Moreover, coalderived synthesis gas, having a low H,/CO ratio, is not suitable for use i...