John W. Stewart

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This document presents a framework for inter-domain route aggregation and shows an example router configuration which ’implements’ this framework. This framework is flexible and scales well as it emphasizes the philosophy of aggregation by the source, both within routing domains as well as towards upstream providers, and it also strongly encourages the use(More)
Child guidance was central to twentieth-century international programs of "mental hygiene," with the shift from an emphasis on children's physical health to concern with their mental health. In interwar Britain it was supported by American philanthropy and influenced by American practice, especially the latter's emphasis on the dominant role of psychiatry.(More)
With the increased growth of the Internet, the number of customers using BGP4 has grown significantly. RFC1930 outlines a set of guidelines for when one needs and should use an AS. However, the customer and service provider (ISP) are left with a problem as a result of this in that while there is no need for an allocated AS under the guidelines, certain(More)
We describe our experience with prenatal diagnosis of tetralogy of Fallot with supracardiac totally anomalous pulmonary venous connection. We also suspected obstruction in the ascending vertical vein as it crossed the right bronchus and coursed superiorly to join the right superior caval vein. This finding was confirmed on postnatal echocardiography, and at(More)
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