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Bentonithandbuch

Britta Schößer

Bentonithandbuch

Der Rohrvortrieb ist ein Bauverfahren zur grabenloser Verlegung von Leitungen. Ein erfolgreicher Vortrieb erfordert eine geringe Mantelreibung zwischen Baugrund und Vortriebsrohr. Dies wird uber eine Bentonitschmierung erreicht. Das im Ringspalt eingebrachte Bentonit erfullt hierbei mehrere Aufgaben. Zunachst stabilisiert es den Ringspalt durch Stutzung des Untergrunds und soll damit den direkten Kontakt Untergrund zu Vortriebsrohr vermeiden. Zusatzlich verringert es als Schmiermittel die...

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Britta Schößer

Network Security

André Perez

Network Security

This book introduces the security mechanisms deployed in Ethernet, Wireless-Fidelity (Wi-Fi), Internet Protocol (IP) and MultiProtocol Label Switching (MPLS) networks. These mechanisms are grouped throughout the book according to the following four functions: data protection, access control, network isolation, and data monitoring. Data protection is supplied by data confidentiality and integrity control services. Access control is provided by a third-party authentication service. Network...

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André Perez

Architecture and Governance for Com...

Noël Crespi

Architecture and Governance for Communication Services

Communication services are evolving at an unprecedented rate. No longer limited to interpersonal vocal communication, they now integrate functions such as address books, content sharing and messaging. The emergence of social networks – which may also include these features – is an important element of this transformation. Content services are becoming flagship services themselves, and are sometimes paired up with conversation services. The boundaries between different services are becoming less...

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