Google Cloud Google Cloud, On-premises

Google Cloud Dual Run Modernization Guide

Application ModernizationCloud MigrationCOBOL

Google Cloud Dual Run is a application modernization product by Google Cloud. Explore technical details, modernization strategies, and migration paths below.

Product Overview

Google Cloud Dual Run by Google Cloud is a Application Modernization + Cloud Migration + COBOL solution for mainframe environments.

Key use cases include: Parallel mainframe/cloud workload validation before cutover, Zero-risk mainframe batch comparison testing, Side-by-side output reconciliation, Cloud-native Java migration validation.

Modernization Strategies

Rehost

Timeline:
6-12 months

Lift-and-shift to cloud infrastructure with minimal code changes. Fast migration with lower risk.

Refactor (Recommended)

Timeline:
18-24 months

Optimize application architecture for cloud while preserving business logic. Best ROI long-term.

Replatform

Timeline:
3-5 years

Complete rewrite to cloud-native architecture with microservices and modern tech stack.

Frequently Asked Questions

General

What is Google Cloud Dual Run?

Google Cloud Dual Run is a mainframe modernization capability that enables financial institutions to run both their existing z/OS mainframe and Google Cloud Java counterpart in parallel, validating outputs before cutover.

Who makes Google Cloud Dual Run?

Google Cloud Dual Run is developed and maintained by Google Cloud. It runs on Google Cloud, On-premises platforms.

What are the main use cases for Google Cloud Dual Run?

Parallel mainframe/cloud workload validation before cutover, Zero-risk mainframe batch comparison testing, Side-by-side output reconciliation, Cloud-native Java migration validation

How does Google Cloud Dual Run work?

Used for low-risk, side-by-side comparison of mainframe batch transactions against modernized cloud equivalents. Developed in partnership with major financial services customers.

Technical

What platforms does Google Cloud Dual Run support?

Google Cloud Dual Run supports the following platforms: Google Cloud, On-premises.

What are the alternatives to Google Cloud Dual Run?

Competing products include: IBM Z and Cloud Modernization Stack, AWS Mainframe Modernization, LzLabs Software Defined Mainframe.

How complex is Google Cloud Dual Run to implement?

Google Cloud Dual Run has a high technical complexity level with a high learning curve. It is best suited for enterprise organizations.

Deployment & Industries

How is Google Cloud Dual Run deployed?

Google Cloud Dual Run supports the following deployment models: cloud, hybrid.

What industries use Google Cloud Dual Run?

Google Cloud Dual Run is primarily used in: Banking, Finance, Insurance.

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