The application connects to a proxy, which forwards connections to the database. Within a context of databases, a proxy sits in the middle, between application and database.
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What Is a Database Proxy? A proxy is a software which handles connectivity between two sides.
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This whitepaper will discuss what proxies are, what is their use and how to build a highly available and highly controllable database environment using modern proxies.ġ.1. This begs the question - how does the application know which database node to access? How does an application detect that the database topology has changed? How do we shield the applications from the complexity of the underlying databases? At some point, the concept of man-in-the-middle became popular and database environments started integrating proxies. Failures can cause cluster reconfigurations.
Clusters can be scaled out on more nodes. Data is distributed across multiple instances, or even multiple datacenters. Introduction These days, high availability is an imperative. Setting up Highly Available Proxy Layers with ClusterControl 5.1. Collocating Proxies on Application Hosts 3.3. A Proxy with a Virtual IP Assigned 3.1.2. Designing Highly Available Proxy Architecture 3.1. Features of Advanced, SQL-Aware Proxies 2.1.
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