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DeWu Technology
DeWu Technology
Mar 25, 2024 · Cloud Native

Design and Implementation of Same‑City Dual‑Active Architecture for a Transaction Platform

The paper details a same‑city dual‑active architecture for a high‑traffic transaction platform, combining blue‑green and dual‑cluster deployment with zone‑aware routing, middleware transformations, and a gradual traffic‑coloring release process that achieved near‑50/50 traffic split, stable performance, minimal cost, and outlines remaining challenges.

DeploymentDual-Activecloud-native
0 likes · 20 min read
Design and Implementation of Same‑City Dual‑Active Architecture for a Transaction Platform
Architects' Tech Alliance
Architects' Tech Alliance
Jul 30, 2022 · Operations

Analysis of Arbitration and Two‑Site‑Three‑Center (3DC) Solutions in Dual‑Active Data Center Disaster Recovery

This article examines key arbitration mechanisms and the two‑site‑three‑center (3DC) extension model for dual‑active data‑center disaster‑recovery, comparing implementations from Huawei, EMC, IBM, HDS and NetApp, and discusses design considerations, risks of brain‑split, and best‑practice deployment options.

3DCDual-Activearbitration
0 likes · 32 min read
Analysis of Arbitration and Two‑Site‑Three‑Center (3DC) Solutions in Dual‑Active Data Center Disaster Recovery
Architects' Tech Alliance
Architects' Tech Alliance
May 6, 2021 · Operations

Key Technical Considerations for Dual‑Active Data Center Architecture

The article explains dual‑active data‑center disaster‑recovery architecture, covering SAN vs NAS storage options, distance, network, performance, true active‑active versus active‑passive designs, multipathing considerations, and provides a downloadable comprehensive guide to implementation for practitioners.

Dual-Activedisaster recoverystorage
0 likes · 7 min read
Key Technical Considerations for Dual‑Active Data Center Architecture
Architects' Tech Alliance
Architects' Tech Alliance
Nov 4, 2019 · Databases

Design and Implementation of a DB2 pureScale GDPC Dual‑Active Database Platform

This article presents a comprehensive technical guide on building a dual‑active DB2 pureScale GDPC solution, covering the shortcomings of traditional disaster‑recovery, the rationale for choosing DB2 pureScale, architectural principles, site and network design, storage, resource allocation, client access, benefits, and remaining challenges.

DB2Dual-ActiveGDPC
0 likes · 18 min read
Design and Implementation of a DB2 pureScale GDPC Dual‑Active Database Platform
Architects' Tech Alliance
Architects' Tech Alliance
Sep 6, 2018 · Databases

Design and Implementation of a DB2 pureScale GDPC Dual‑Active Database Platform

The article analyzes the shortcomings of traditional disaster‑recovery methods, explains why DB2 pureScale GDPC was chosen for a dual‑active database solution, and provides detailed design guidelines covering site selection, arbitration node, network architecture, storage layout, resource sizing, client connectivity, and the solution’s advantages and limitations.

DB2Database designDual-Active
0 likes · 14 min read
Design and Implementation of a DB2 pureScale GDPC Dual‑Active Database Platform
Architects' Tech Alliance
Architects' Tech Alliance
Dec 16, 2017 · Fundamentals

How VxLAN Powers Seamless Dual‑Active Data Center Failover

The article explains why traditional Layer‑2 networks hinder VM live migration in dual‑active data centers, introduces the concept of big‑layer networking, and details how VxLAN overcomes VLAN limits and loop issues to enable uninterrupted cross‑site service continuity.

Big Layer NetworkData centerDual-Active
0 likes · 4 min read
How VxLAN Powers Seamless Dual‑Active Data Center Failover
Architects' Tech Alliance
Architects' Tech Alliance
Sep 23, 2017 · Operations

Understanding EMC vPlex Dual‑Active Storage Architecture and Distributed Cache Mechanisms

The article explains EMC vPlex's evolution, dual‑active Metro and Geo configurations, distributed cache coherence, storage virtualization, and integration with RecoverPoint, highlighting how these technologies enable high‑availability, low‑latency data access across multiple data‑center sites.

Dual-ActiveEMC vPlexStorage Virtualization
0 likes · 17 min read
Understanding EMC vPlex Dual‑Active Storage Architecture and Distributed Cache Mechanisms
Architects' Tech Alliance
Architects' Tech Alliance
Sep 22, 2017 · Operations

Huawei VIS and HyperMetro Dual-Active Storage Solutions Overview

This article provides a detailed overview of Huawei's dual-active storage solutions, describing the VIS gateway architecture, stretched VCS clusters, HyperMetro active-active implementation, network and hardware considerations, replication mechanisms, distributed locking, and performance optimizations for long-distance data-center deployments.

Dual-ActiveSANdata-center
0 likes · 15 min read
Huawei VIS and HyperMetro Dual-Active Storage Solutions Overview
dbaplus Community
dbaplus Community
May 16, 2017 · Operations

How to Build a True Dual‑Active Data Center: Architecture, Technologies, and Key Pitfalls

This article explains why dual‑active data centers are needed, outlines the evolution from primary‑backup to active‑active designs, and provides detailed guidance on implementing dual‑active solutions across the data, storage, application, and virtualization layers, including critical networking and performance considerations.

Data centerDual-ActiveStorage Virtualization
0 likes · 20 min read
How to Build a True Dual‑Active Data Center: Architecture, Technologies, and Key Pitfalls
Efficient Ops
Efficient Ops
Dec 4, 2016 · Operations

How Ctrip Built a Seamless Multi‑Region Dual‑Active Call Center

This article details Ctrip's evolution from a single‑site call‑center to a fully dual‑active, multi‑region architecture, covering the overall system design, public network, application, and client layers, unified login mechanisms, heartbeat monitoring, and future software‑only and mobile‑first directions.

Dual-ActiveOperationsSRE
0 likes · 27 min read
How Ctrip Built a Seamless Multi‑Region Dual‑Active Call Center