IBM z/OS Web

IBM Host Access Transformation Services (HATS) Modernization Guide

Screen Modernization, Web Enablement

IBM Host Access Transformation Services (HATS) is a screen modernization, web enablement product by IBM. Explore technical details, modernization strategies, and migration paths below.

Product Overview

IBM Host Access Transformation Services (HATS) by IBM is a Screen Modernization/Web Enablement solution for mainframe environments.

Key use cases include: Green screen modernization, Web enablement, Mobile access.

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 IBM Host Access Transformation Services (HATS)?

IBM Host Access Transformation Services (HATS) transforms 3270 green screen applications into modern web and mobile interfaces without modifying the underlying mainframe code.

Who makes IBM Host Access Transformation Services (HATS)?

IBM Host Access Transformation Services (HATS) is developed and maintained by IBM. It runs on z/OS, Web platforms.

What are the main use cases for IBM Host Access Transformation Services (HATS)?

Green screen modernization, Web enablement, Mobile access

How does IBM Host Access Transformation Services (HATS) work?

HATS uses templates and rules to automatically render host screens as HTML5 web pages or RESTful services. It supports customizable themes, widget-based screen redesign, and integration with portals and mobile frameworks.

Technical

What platforms does IBM Host Access Transformation Services (HATS) support?

IBM Host Access Transformation Services (HATS) supports the following platforms: z/OS, Web.

What are the alternatives to IBM Host Access Transformation Services (HATS)?

Competing products include: OpenText Verastream, GT Software Ivory, Rocket BlueZone Web.

How complex is IBM Host Access Transformation Services (HATS) to implement?

IBM Host Access Transformation Services (HATS) has a moderate technical complexity level with a moderate learning curve. It is best suited for enterprise|mid-market organizations.

Deployment & Industries

How is IBM Host Access Transformation Services (HATS) deployed?

IBM Host Access Transformation Services (HATS) supports the following deployment models: On-Premises, Web.

What industries use IBM Host Access Transformation Services (HATS)?

IBM Host Access Transformation Services (HATS) is primarily used in: Financial Services, Government, Insurance, Retail.

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