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Group Telemetry Analysis
World Wide Web
Jeffrey R. Kalibjian
Lawrence Livermore National Laboratory
secure data sharing, world wide web, hypertext transfer protocol, dual asymmetric key cryptography
Today it is not uncommon to have large contractor teams involved in the design and
deployment of even small satellite systems. The larger (and more geographically
remote) the team members, the more difficult it becomes to efficiently manage the
disbursement of telemetry data for evaluation and analysis. Further complications are
introduced if some of the telemetry data is sensitive. An application is described which
can facilitate telemetry data sharing utilizing the National Information Infrastructure
The World Wide Web (WWW) has transformed the Internet from a research aid into a
multi-media display case. The WWW is based on the Hypertext Transfer Protocol
(HTTP)-----an object oriented stateless protocol which can be used to build distributed
systems in which data representation can be negotiated. Secure HTTP (S-HTTP) is a
security enhanced version of HTTP that supports application level cryptographic
enhancements (e.g public key cryptography). Although more commonly used for
multi-media applications, the World Wide Web offers great promise as a "group-ware"
or general data sharing mechanism. Secure HTTP has made it possible to design and
implement Web based applications which can accomplish secure data sharing among a
group of business or research partners.
After reviewing HTTP, Internet security and the World Wide Web, this paper discusses
the design and implementation of a secure Web based data sharing tool. Some design
trade-offs impacting data analysis will also be explored.
The Hypertext Transfer Protocol  is a very simple communication protocol. A client
makes a TCP/IP (Transmission Control Protocol/Internet Protocol, the underlying
communication protocol used on the Internet) connection to the server. The server will
accept the connection upon which the client will make a document request. The
connection domain and the document requested are contained in a Universal Resource
Locator (URL), the server responds to the request, the client collects the response, and
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Kalibjian, J. Group telemetry analysis using the World Wide Web, article, December 31, 1996; California. (digital.library.unt.edu/ark:/67531/metadc689039/m1/3/?rotate=270: accessed January 19, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.