Facilitating efficient energy distribution and storage: The role of data consistency technologies in Azure Cosmos DB

¹ Kazan National Research Technical University named after A. N. Tupolev – KAI, Kazan, Russia
² Kazan National Research Technological University, Kazan, Russia

^* Corresponding author: marat_nu1@mail.ru

Abstract

This article delves into the critical aspect of data consistency in globally distributed databases, with a specific focus on Azure Cosmos DB, Microsoft’s flagship globally distributed database service. It begins by outlining the inherent challenges of maintaining data consistency across a distributed architecture, such as network latency and the need for effective conflict resolution mechanisms. The introduction sets the stage for a deeper exploration of these challenges and their implications for applications requiring global scalability. The subsequent sections provide a detailed examination of the architecture and features of Azure Cosmos DB, highlighting its global data distribution capabilities, support for multiple data models, and flexible consistency models. The discussion emphasizes the importance of selecting the appropriate consistency level based on application requirements, balancing the trade-offs between consistency, performance, and availability. Further, the article addresses the technical underpinnings and solutions employed by Azure Cosmos DB to achieve data consistency, including advanced algorithms like vector clocks for session consistency and log replication mechanisms for strong and bounded consistency models. These technologies play a pivotal role in ensuring data integrity and timely access across the distributed database. The conclusion synthesizes the insights gained from the exploration of Azure Cosmos DB’s approach to data consistency, underscoring the platform’s adeptness at providing a robust, flexible, and efficient solution for managing data in a globally distributed context. The article emphasizes the critical role of platforms like Azure Cosmos DB in meeting the modern digital enterprise’s demands for real-time data access and integrity across a global infrastructure.