The Fiber Optics Illustrated Dictionary - Part 28 fills a gap in the literature by providing instructors, hobbyists, and top-level engineers with an accessible, current reference. From the author of the best-selling Telecommunications Illustrated Dictionary, this comprehensive reference includes fundamental physics, basic technical information for fiber splicing, installation, maintenance, and repair, and follow-up information for communications and other professionals using fiber optic components. Well-balanced, well-researched, and extensively cross-referenced, it also includes hundreds of photographs, charts, and diagrams that clarify the more complex ideas and put simpler ideas into their applications context | Fiber Optics Illustrated Dictionary authentication and or signer authentication services for creating independent interoperable implementations. The XML Signature is a method of associating a key with referenced data. The XML namespace Uniform Resource Identifier URI and prefix for other sub-URIs for the W3C specification is xmlns http 2 00 0 0 9 xmldsig See encryption JEPI Pretty Good Privacy signature. Digital Signature Standard DSS. A draft standard to permit die creation and transmission of a secure digital signature through a Digital Signature Algorithm DSA to provide authentication of documents and transactions. Web commerce is eagerly seeking means by which documents can be electronically secured in order to use them for trade banking stock transactions contract negotiations etc. and will probably quickly adopt this or another scheme when sufficient confidence in its efficacy is attained. See Electronic Certification. Digital Steppingstones project A project of the Tomas Rivera Policy Institute TRPI that studies issues of access to technology and telecommunications networks and examines exemplaty practical implementations in diverse environments including libraries schools and community centers across the . The Digital Steppingstones project focuses on underserved communities such as low-income and minority communities. An important aspect of this project is assessing access to the Internet and making recommendations for its broad and practical implementation in publicly accessible facilities. http dss Digital Subscriber Line DSL xDSL. A data transmission service operating over existing copper public phone lines. Imagine turning on your computer connecting to the Internet and finding something interesting that you want to explain to a business colleague or friend. If you have only one phone line and you re using a modem to change the computer s digital signals into analog signals that can be sent over the phone line you would .
