# legacy systems

Published articles for legacy systems.

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## Enterprises are sweating legacy IT assets as AI investment grows

DevFeed: [Enterprises are sweating legacy IT assets as AI investment grows](<https://devfeed.tech/articles/enterprises-are-sweating-legacy-it-assets-as-ai-investment-grows-31542.md>)

Original publisher: [Read original article](<https://www.theregister.com/systems/2026/09/16/enterprises-are-sweating-legacy-it-assets-as-ai-investment-grows/5296896>)

Author: Dan Robinson

Published: 2026-09-16T16:15:00Z

Content type: article

Language: en

Sources: [www.theregister.com - Articles](<https://devfeed.tech/sources/www-theregister-com-articles.md>)

Topics: [legacy](<https://devfeed.tech/topics/legacy.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>), [mainframes](<https://devfeed.tech/topics/mainframes.md>), [data](<https://devfeed.tech/topics/data.md>), [business logic](<https://devfeed.tech/topics/business-logic.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [artificial-intelligence](<https://devfeed.tech/tags/artificial-intelligence.md>), [business-logic](<https://devfeed.tech/tags/business-logic.md>), [data](<https://devfeed.tech/tags/data.md>), [ensono](<https://devfeed.tech/tags/ensono.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [it-modernization](<https://devfeed.tech/tags/it-modernization.md>), [legacy](<https://devfeed.tech/tags/legacy.md>), [legacy-systems](<https://devfeed.tech/tags/legacy-systems.md>), [mainframes](<https://devfeed.tech/tags/mainframes.md>), [systems](<https://devfeed.tech/tags/systems.md>)

### AI overview

The article examines how enterprises are dealing with legacy IT assets as AI investment grows. It reports that mainframes and other hardware may contain the data and business logic needed to build AI services.

### Source excerpt

Hardware such as mainframes found to hold the data and business logic needed to build those AI services

## Strategies for Migrating from a Monolith to Microservices

DevFeed: [Strategies for Migrating from a Monolith to Microservices](<https://devfeed.tech/articles/monolith-to-service-architecture-34687.md>)

Original publisher: [Read original article](<https://newsletter.systemdesigncodex.com/p/monolith-to-service-architecture>)

Author: Saurabh Dashora

Published: 2026-06-23T07:55:12Z

Content type: tutorial

Language: en

Sources: [System Design Codex](<https://devfeed.tech/sources/system-design-codex.md>)

Topics: [Architecture & Design](<https://devfeed.tech/topics/architecture-design.md>), [microservices architecture](<https://devfeed.tech/topics/microservices-architecture.md>), [migration](<https://devfeed.tech/topics/migration.md>), [legacy systems](<https://devfeed.tech/topics/legacy-systems.md>), [gateway](<https://devfeed.tech/topics/gateway.md>)

Tags: [api-gateway](<https://devfeed.tech/tags/api-gateway.md>), [architecture](<https://devfeed.tech/tags/architecture.md>), [automated](<https://devfeed.tech/tags/automated.md>), [big-bang](<https://devfeed.tech/tags/big-bang.md>), [feature-flags](<https://devfeed.tech/tags/feature-flags.md>), [incremental](<https://devfeed.tech/tags/incremental.md>), [legacy-systems](<https://devfeed.tech/tags/legacy-systems.md>), [microservices](<https://devfeed.tech/tags/microservices.md>), [migration](<https://devfeed.tech/tags/migration.md>), [monolith](<https://devfeed.tech/tags/monolith.md>), [parallel](<https://devfeed.tech/tags/parallel.md>), [rewrite](<https://devfeed.tech/tags/rewrite.md>), [strategies](<https://devfeed.tech/tags/strategies.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

This tutorial outlines patterns for gradually moving from a monolithic architecture to microservices. It describes the Strangler Fig Pattern, Parallel Run Pattern, and Collaborator Pattern, covering techniques such as API gateways, incremental migration, traffic splitting, feature flags, and automated comparison testing.

### Source excerpt

Top Strategies

## A quiz matches developers with Replay '26 conference sessions

DevFeed: [A quiz matches developers with Replay '26 conference sessions](<https://devfeed.tech/articles/what-replay-explorer-are-you-take-this-quiz-to-find-out-36103.md>)

Original publisher: [Read original article](<https://temporal.io/blog/what-replay-explorer-are-you-take-this-quiz-to-find-out>)

Author: Lauren Bennett

Published: 2026-04-07T00:00:00Z

Content type: opinion

Language: en

Sources: [Temporal Blog](<https://devfeed.tech/sources/temporal-blog.md>)

Topics: [legacy systems](<https://devfeed.tech/topics/legacy-systems.md>), [AI Agent](<https://devfeed.tech/topics/ai-agent.md>), [migration](<https://devfeed.tech/topics/migration.md>), [reliability](<https://devfeed.tech/topics/reliability.md>)

Tags: [ai-agents](<https://devfeed.tech/tags/ai-agents.md>), [community](<https://devfeed.tech/tags/community.md>), [legacy-systems](<https://devfeed.tech/tags/legacy-systems.md>), [migration](<https://devfeed.tech/tags/migration.md>), [opinions](<https://devfeed.tech/tags/opinions.md>), [reliability](<https://devfeed.tech/tags/reliability.md>)

### AI overview

This interactive quiz assigns developers a Replay '26 conference path based on their work and interests, including legacy-system modernization, AI workflows, reliability, migration, and architecture.

### Source excerpt

Are you migrating haunted legacy systems, wrangling AI agents with opinions, or quietly keeping everything from falling apart? Take the quiz to find your Replay '26 path.