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Development

Featured in Development

Stateful Continuation for AI Agents: Why Transport Layers Now Matter

Agent workflows make transport a first-order concern. Multi-turn, tool-heavy loops amplify overhead that is negligible in single-turn LLM use. Stateful continuation cuts overhead dramatically. Caching context server-side can reduce client-sent data by 80%+ and improve execution time by 15–29% .

All in development

Architecture & Design

Featured in Architecture & Design

Panel: Taking Architecture out of the Echo Chamber

Andrew Harmel-Law and a panel of expert architects discuss the shifting practice of architecture in 2025. They explain strategies for communicating technical debt to stakeholders, the benefits of decentralized decision-making through ADRs, and the career paths of modern leaders. The panel shares insights on bridging the gap between mobile and backend teams to ensure a holistic system.

All in architecture-design

AI Infrastructure

Featured in AI, ML & Data Engineering

Building Hierarchical Agentic RAG Systems: Multi-Modal Reasoning with Autonomous Error Recovery

In this article, the author explores how hierarchical agentic RAG systems coordinate specialized workers through structured orchestration to improve accuracy, reliability, and explainability in complex enterprise analytics workflows. The article uses Protocol-H as a to show how deterministic routing, reflective retry, and modality-aware reasoning support safer multi-source query execution.

All in ai-ml-data-eng

Culture & Methods

Featured in Culture & Methods

Local First – How To Build Software Which Still Works After the Acquihire

Alex Good discusses the fragility of modern cloud-dependent apps and shares a roadmap for "local-first" software. By leveraging a Git-like DAG structure and Automerge, he explains how to move from brittle client-server models to resilient systems where data lives on-device. He explores technical implementation, rich-text merging, and how this infrastructure simplifies engineering workflows.

All in culture-methods

DevOps

Featured in DevOps

Duolingo's Kubernetes Leap

Franka Passing discusses the architectural shift of Duolingo’s 500+ backend services to Kubernetes. She explains the move toward GitOps with Argo CD, the transition to IPv6-only pods, and the "cellular architecture" used to isolate environments. She shares "reports from the trenches" on managing developer trust, navigating AWS rate limits, and productionizing early adopter services.

All in devops

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Online InfoQ Architect Certification

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Learn how leading engineering teams run AI in production—reliably, securely, and at scale.

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QCon San Francisco

Learn what's next in AI and software, from teams already doing it.

Early Bird ends April 14.

InfoQ Homepage Interviews Joe Walker on DWR

Joe Walker on DWR

13:58

Bio

Joe Walker is a developer and consultant working on advanced web development techniques like Ajax. He recently developed DWR which has become the most popular AJAX toolkit for Java by making browser/server interaction intuitive for web developers. He currently works through his consultancy, Getahead Ltd, which is supplying a growing number of customers with AJAX and advanced web solutions.

About the conference

Oct 26, 2007

Interview with

Joe Walker

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