dual active | BestHub

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.

High AvailabilityMiddlewarecloud-native

0 likes · 20 min read

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

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.

3DCarbitrationdata center

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

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.

data centerdisaster recoverydual active

0 likes · 7 min read

Key Technical Considerations for Dual‑Active Data Center Architecture

Architects' Tech Alliance

Apr 18, 2021 · Operations

Active‑Active Dual Data Center Architecture: Requirements and Technical Overview

The article explains the active‑active dual‑data‑center solution as the preferred disaster‑recovery option, detailing its storage choices, distance, network, performance, true versus pseudo active‑active modes, and multipathing requirements, and offers a downloadable technical guide.

High Availabilitydata centerdisaster recovery

0 likes · 6 min read

Active‑Active Dual Data Center Architecture: Requirements and Technical Overview

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.

DB2Database ArchitectureGDPC

0 likes · 18 min read

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

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 DesignGDPC

0 likes · 14 min read

Architects' Tech Alliance

Oct 27, 2017 · Operations

Understanding ALUA Multipathing Mechanism for Dual‑Active Storage Systems

This article explains the ALUA (Asymmetric Logical Unit Access) multipathing model, compares it with A/A‑Symmetric and Active/Passive mechanisms, describes its application in dual‑active storage architectures, and outlines OS support and key features for improving I/O performance and reliability.

ALUAHigh AvailabilityMultipathing

0 likes · 12 min read

Understanding ALUA Multipathing Mechanism for Dual‑Active Storage Systems

Architects' Tech Alliance

Sep 30, 2017 · Operations

Key Network Requirements for Dual‑Active Data Center Storage Deployment

This article explains the evolution of storage, the shift toward cloud‑native storage solutions, and details the network architecture, latency considerations, and operational challenges involved in building dual‑active data center storage systems for high‑availability enterprise environments.

High Availabilitycloud-nativedata center

0 likes · 14 min read

Key Network Requirements for Dual‑Active Data Center Storage Deployment

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.

EMC vPlexHigh Availabilitydata center

0 likes · 17 min read

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

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.

High AvailabilitySANdata center

0 likes · 15 min read

Huawei VIS and HyperMetro Dual-Active Storage Solutions Overview

Architects' Tech Alliance

Jul 16, 2017 · Cloud Computing

Deploying Dual-Active Storage with Virtualization and Application Clusters

This article explains how to design and implement dual‑active storage solutions combined with virtualization and application clustering, covering industry requirements, storage vendor options, physical and virtual deployment models, and the role of cloud storage and OpenStack Ironic.

High AvailabilityOpenStackcloud storage

0 likes · 7 min read

Deploying Dual-Active Storage with Virtualization and Application Clusters

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.

High AvailabilitySREcall center

0 likes · 27 min read

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