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Article: Cross Domain Spatial Data Infrastructure: Chris Tucker looks at Spatial Data Infrastructure implementation across domains.
- Article from:
- GEO: connexion
- Article date:
- June 1, 2008
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Copyright informationCOPYRIGHT 2008 Bev-AL Communications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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For years, the same spatial data has been repeatedly replicated and hosted on multiple security domains so that users with different security authorizations could access it. This has led to complicated and costly schemes for upward and downward synchronization of data. Moreover, It has required the acquisition of multiple hardware and software instances, for which each required individual operations and maintenance (O&M) budget.
[ILLUSTRATION OMITTED]
Interoperable Solution
The emergence of label secure database technology, sophisticated high assurance security appliances as well as changes in security policy now make it possible to avoid such costly ...
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