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Abstract
The paper presents the proposition of caches implementation for map presentation in distributed information data exchange system. The concept of cache service is described in the context of distributed information data exchange system elements which control and present on maps positions and other identification data of vessels and other suspicious objects on the territorial sea, sea-coast and the internal sea-waters. The proposed cache service is implemented to decrease response time of the MapServer (a part of the system) to console (mobile or stationary) queries for map data. Since cache service limits the number of SQL queries processed by the databases that store data used in the system, the presented solution improves their performance. The paper presents the general architecture of the data exchange system and the cache concept. The cache service implementation is briefly presented on the basis of information flow diagrams in distributed information system architecture. Moreover, results of main functional tests of cache service are described.
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- Category:
- Articles
- Type:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Published in:
-
Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne
pages 657 - 661,
ISSN: 1230-3496 - Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Blok M., Kaczmarek S., Młynarczuk M., Sac M.: Cache service for maps presentation in distributed information data exchange system// Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne. -., nr. 7 (2016), s.657-661
- DOI:
- Digital Object Identifier (open in new tab) 10.15199/59.2016.7.2
- Verified by:
- Gdańsk University of Technology
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