Architecture des réseaux - Synthèse de cours & exercices by Dominique Seret , Danièle Dromard

By Dominique Seret , Danièle Dromard

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Vaastu: The Indian Art of Placement: Design and Decorate Homes to Reflect Eternal Spiritual Principles

The 1st e-book in English at the Hindu precursor to feng shui.

• permits readers to layout houses that comply with everlasting non secular principles.
• deals feedback to rectify present constructions with inauspicious energy.

The refined paintings of strength administration for prosperity, reliable well-being, and calm brain has been brought to the West via feng shui. formerly the traditional perform of vaastu, the Hindu artwork of environmental layout, has been really unknown. Born of the move of forces in the trinity of the good Hindu gods--Brahma, Vishnu, and Shiva--vaastu is the human expression of life's impulse to harmonize itself with the cosmos.

The nice tradition at Harrapa, in 3000 b. c. , utilized vaastu to create towns at a degree of class that might simply be reached back within the 19th and 20th centuries. Housed in a library in north India, the codified tenets of vaastu have been destroyed in medieval instances by way of successive invaders into the rustic; notwithstanding, the artwork of vaastu remained alive, via oral culture and buried deep inside different treatises. The rediscovery of those texts within the Nineteen Thirties has ended in a latest revival of this paintings in India--brought to Western readers for the 1st time in Vaastu: The Indian paintings of Placement.

Vaastu elucidates rules that orient and plan each one component to a constitution, either the massive photograph and the small information. A building's website, floor plan, form, and orientation are all-important concerns, as are soil caliber, window placement, and building fabrics. The affinities of loved ones items--the cell, desktop, bath--with the 5 components of nature, and therefore their perfect placement in the constitution, also are defined. instructions for enhancing current structures aid the reader practice the vaastu ideas in a realistic demeanour. Vaastu: The Indian artwork of Placement will help in growing own environments that advertise peace, concord, and well-being.

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Extra info for Architecture des réseaux - Synthèse de cours & exercices corrigés

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A interprète l’acquittement qui suit comme l’acquittement de sa trame I1. Si, par malheur, I1 est mal transmise, elle va manquer à B : A croit qu’elle est acquittée alors qu’en réalité B ne l’a pas reçue. On est donc obligé de préciser dans une trame d’acquittement le numéro de la trame d’information qu’elle acquitte. 5 NOTION DE FENÊTRE Afin d’augmenter l’efficacité du dialogue, on introduit la notion d’anticipation, c’est-àdire la possibilité d’émettre plusieurs trames à la suite, sans avoir reçu l’acquittement des trames précédentes.

Contrôle de la validité : protection au niveau du code La protection au niveau du code consiste à organiser une redondance interne à celui-ci : parmi toutes les combinaisons possibles, certaines sont retenues comme valides. Ce type de protection est possible lorsque l’émission des données se fait par caractère (on introduit une redondance pour chaque caractère transmis). Par exemple, on ajoute à chaque caractère un bit de parité dit parité verticale ou VRC (Vertical Redundancy Check)1, calculé comme suit : pour chaque caractère, on fait la somme modulo 2 de ses bits.

Première représentation d’un échange de données selon le protocole HDLC ...................................... 48 12. Rejet simple et rejet sélectif de trames erronées ................. 49 13. Autre exemple de rejet des trames erronées ................................. 53 14. Cas d’équipements ayant des débits binaires différents .... 55 Le circuit de données pouvant altérer les informations transportées, le protocole de liaison de données le supervise et définit un ensemble de règles pour assurer la fiabilité des échanges sur une liaison de données.

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