Tagged articles

Data Layer

3 articles · Page 1 of 1

Jul 16, 2026 · Operations

Inside Alibaba’s City‑Level Active‑Active Architecture: A Complete Guide

The article explains Alibaba’s city‑level active‑active architecture, where two independent data centers in the same city simultaneously serve traffic, automatically fail over on outage, and are organized into traffic, application, and data layers with detailed design patterns.

Active-ActiveAlibabaApplication Layer

0 likes · 4 min read

Inside Alibaba’s City‑Level Active‑Active Architecture: A Complete Guide

Didi Tech

Apr 22, 2020 · Big Data

Understanding the Three Core Layers of a Data Product: Application, Data, and Algorithm

A data product succeeds by aligning three core layers—an application layer that defines the business goal, a data layer that gathers and organizes high‑quality datasets, and an algorithm layer that applies statistical and AI techniques—to transform raw data into actionable solutions for users, enterprises, or governments.

AIApplication LayerData Layer

0 likes · 12 min read

Understanding the Three Core Layers of a Data Product: Application, Data, and Algorithm

Beike Product & Technology

Jun 16, 2017 · Mobile Development

Android Application Architecture

This article reviews the evolution of Android app architecture over several years, describing the shortcomings of a simple two‑layer design, the adoption of RxJava and MVP patterns, and the resulting benefits and remaining challenges for building maintainable mobile applications.

AndroidData LayerMVP

0 likes · 12 min read