8,822 research outputs found

    Design and Implementation of a Measurement-Based Policy-Driven Resource Management Framework For Converged Networks

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    This paper presents the design and implementation of a measurement-based QoS and resource management framework, CNQF (Converged Networks QoS Management Framework). CNQF is designed to provide unified, scalable QoS control and resource management through the use of a policy-based network management paradigm. It achieves this via distributed functional entities that are deployed to co-ordinate the resources of the transport network through centralized policy-driven decisions supported by measurement-based control architecture. We present the CNQF architecture, implementation of the prototype and validation of various inbuilt QoS control mechanisms using real traffic flows on a Linux-based experimental test bed.Comment: in Ictact Journal On Communication Technology: Special Issue On Next Generation Wireless Networks And Applications, June 2011, Volume 2, Issue 2, Issn: 2229-6948(Online

    A study of polarization of decameter radiation from Jupiter

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    Methods of analyzing polarization measurements of decameter radiation from Jupite

    There are no more words to the story

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    We have collaborated on the representation of Yupik folklore and traditions on and off since the 1980s. The result is usually a co-authored piece with a unified voice. For this article, we wanted to highlight the collaborative process by including some of the dialogue between us. We now live several hundred miles apart, so our collaboration takes place by telephone, facsimile, and mail when we cannot sit at the same table. What follows is a joint commentary on Phillip Charlie's quliraq, highlighted with direct quotations from our correspondence and conversations. These are presented as "interludes" in the text, identified as either Elsie Mather's (EM) or Phyllis Morrow's (PM) voice. We also present our metaconversation about collaboration.Note: quotation markes removed from title to ensure alphabetical order. Difference as follows; "There Are No More Words to the Story." Issue title; "Native American Oral Traditions: Collaboration and Interpretation.

    EVALUATING COMMAND AND CONTROL FOR MARINE LITTORAL REGIMENTS OPERATING WITH THE LANDING SHIP MEDIUM

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    The Navy’s Landing Ship Medium (LSM) program, previously called the Light Amphibious Warship (LAW) program, is intended to field an amphibious support ship designed to support the Marine Littoral Regiment (MLR) conducting Stand-In-Forces and Expeditionary Advanced Base Operations (EABO). This thesis presents three distinct models of command and control for the integration of Landing Ship Mediums into the Navy and Marine Corps team using joint venture theory: a Marine-centric organization, a Navy-centric organization, and a shared organization. The three command and control structures were then evaluated through a PACOM-focused analytic wargame set in the South China Sea using players from the Naval Postgraduate School. From the wargame, we analyzed each command and control structure based on message traffic generated, information centralization and capacity, decision making ability, complexity, and flexibility. Ultimately, we determined the Commander Amphibious Task Force/Commander Landing Force (CATF/CLF) structure was the best option for future LSM and MLR integration.Distribution Statement A. Approved for public release: Distribution is unlimited.Major, United States Marine CorpsMajor, United States Marine Corp

    Population response of triploid grass carp to declining levels of hydrilla in the Santee Cooper Reservoirs, South Carolina

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    Approximately 768,500 triploid grass carp ( Ctenopharyngodon idella Valenciennes) were stocked into the Santee Cooper reservoirs, South Carolina between 1989 and 1996 to control hydrilla ( Hydrilla verticillata (L.f.) Royle). Hydrilla coverage was reduced from a high of 17,272 ha during 1994 to a few ha by 1998. During 1997, 1998 and 1999, at least 98 triploid grass carp were collected yearly for population monitoring. Estimates of age, growth, and mortality, as well as population models, were used in the study to monitor triploid grass carp and predict population trends. Condition declined from that measured during a previous study in 1994. The annual mortality rate was estimated at 28% in 1997, 32% in 1998 and 39% in 1999; however, only the 1999 mortality rate was significantly different. Few (2 out of 98) of the triploid grass carp collected during 1999 were older than age 9. We expect increased mortality due to an aging population and sparse hydrilla coverage. During 1999, we estimated about 63,000 triploid grass carp system wide and project less than 3,000 fish by 2004, assuming no future stocking. management, population size Ctenopharyngodon idella, Hydrill

    Self-directed learning groups : a vital model for education, support and appraisal amongst sessional GPs

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    The article discusses that the data from larger mixed method study looking at the support needs of sessional general practitioners (GPs) and how they are being met through a range of formal and informal support system. This article explores the role of Self-Directed Learning Groups (SDLGs) as a model for providing support and educational for sessional GPs as well as factors that make these groups successful
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