Data Access in Distributed Data Base Management Systems,
Abstract
This paper presents a mechanism for the distribution of a data base management system in a manner that is transparent to the application program. The software structures presented presuppose an underlying computer network with the necessary hardware and software to allow interprocessor communication via a standardized message system. The basis for data base distribution is the network data directory which provides information on the location of each data base granule. The mechanisms provide a data distribution facility that is relatively easy to realize. However, many problems of distributed data bases still require practical solutions. The dilemmas posed by deadlock, backup, recovery, and security are extremely complex. Another formidable stumbling block is the general lack of portability and compatibility within both hardware and software systems. The system described here is implementable on homogeneous networks with moderate effort. For heterogeneous networks, advances in software portability, hardware compatibility, and standardized communication protocols are required. Progress is being made in these areas although it is hampered somewhat by the marketing philosophy of locking the user in to a vendor's product line.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1978
- Accession Number
- ADA105825
Entities
People
- Fred J. Maryanskil
- Paul S. Fisher
- Virgil E. Wallentine
Organizations
- Kansas State University