Design Concepts for Resilient Database Replication in Tenuous Communication Environments

Abstract

Summary of Resilient Information Management & Distribution Features 1. Information Synchronization Can Automatically Adjust to Bandwidth Variations by: A. Including Communications in the Data Model; and B. Passively Collecting Network Performance Statistics. 2. The Active Database Triggers Can Now Refer to the Statistics to Dynamically Vary Database Synchronization (e.g., Position Report Resolution Vary With Network Delay). 3. Audit Trail Requirements Are Relaxed Between Databases to Ensure that the Most Important Information Gets Distributed (First) -i.e., Promiscuous Data Replication. 4. Because a Battlefield Model Exists at Each Node, Sophisticated Application Programs Can Be Used to "Fill Holes" Via Prediction.

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Document Details

Document Type
Technical Report
Publication Date
Sep 11, 2002
Accession Number
ADA485351

Entities

People

  • Sam Chamberlain

Organizations

  • United States Army Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies
  • Human Systems

DTIC Thesaurus Topics

  • Application Software
  • Bandwidth
  • Commerce
  • Computer Networks
  • Computers
  • Database Management Systems
  • Databases
  • Electronic Mail
  • Environment
  • Information Science
  • Internet
  • Military Research
  • Networks
  • Predictive Modeling
  • Statistics
  • Tactical Communications
  • Transport Protocols

Fields of Study

  • Computer science

Readers

  • Control Systems Engineering.
  • Database Systems and Applications
  • Systems Analysis and Design