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Welcome to the May 2026 edition of theVar!
In this edition - MCP governance in .NET, Meta migrates its data ingestion system, building Azure architectures with AI and more.
As usual, if you found something interesting that you think should be included here, you're interested in a sponsorship, or you have something to say about the content of this newsletter - drop me a mail at [email protected]
Architecture
Migrating Data Ingestion Systems at Meta Scale - Meta has successfully completed a large-scale migration of its data ingestion system to a new architecture designed for enhanced efficiency and reliability. The migration involved a carefully planned lifecycle process, including shadow testing and robust monitoring, which ensured data integrity and minimized disruptions during the transition from the legacy system. Read more on Meta Engineering
Inter-Module Communication in a Modular Architecture - Inter-module communication is one of the most important aspects in a modular architecture, and there are various methods to enable seamless interaction between the modules in the architecture, ensuring they function cohesively within a system.
Read more on Software Architecture on Medium
Composition over Inheritance in Go - Go emphasizes composition over inheritance, creating a more flexible and explicit system design. This approach enables developers to define behaviors through interfaces and small, independent components rather than rigid class hierarchies, which leads to clearer code structures, improved microservice boundaries, and enhanced fault tolerance in operational environments.
Read more on DEV.to
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Cloud
Building Azure Architecture Diagrams with AI - Cloud architects spend significant time translating ideas into architecture diagrams. They toggle between Visio, draw.io, pricing calculators, and documentation. What if you could describe your architecture in plain English and get a diagram, cost estimate, and deployment guide in minutes? Well, now you can :-)
Read more on Azure Architecture Blog
Announcing Claude Managed Agents on Cloudflare - Cloudflare has integrated with Anthropic's Claude Managed Agents to provide a fast, isolated execution environment for autonomous code delivery. This means builders can scale agent workflows globally while strictly controlling access to private backends and easily customizing their agent’s tools and runtimes.
Read more on Cloudflare Blog
260 things we announced at Google Cloud Next ‘26 - Google have been quite busy lately, adding a lot of services and capabilities to its cloud. This was apparent in the last Google Cloud Next event, took place in Las Vegas, where Google announced no less than 260 new features and services.
Read about these announcements here.
AI
Architecting Zero-Trust AI Agents - Transitioning AI agents from proof of concept to production requires adopting a zero-trust architecture to mitigate security risks, as permissions can lead to potential misuse by unauthorized actors. Key strategies include implementing identity and scoping controls, execution isolation through sandboxing, and error prevention with dual-LLM patterns, ensuring agents operate within defined parameters and minimize attack surfaces.
Read more on DZone AI
Harness, Scaffold, and the AI Agent Terms Worth Getting Right - It looks like AI Agents terms are getting out of hand, and it becomes quite difficult to follow the jargon surrounding them. Luckily, this article comes to the rescue, and helps us navigate our way between the new AI Agents vocabulary.
Read more on Hugging Face
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Development
Stateless JWT Auth Architecture with Microservices with Spring Boot 3 - Adding cache to authentication process can drastically improve its performance. By implementing a cache-first model, the architecture reduces database load and enhances token validation speed, while Redis Sentinel ensures high availability through automatic failover. Read more on DZone Java
Announcing Agent Governance Toolkit MCP Extensions for .NET - The .NET MCP Extension for .NET allowed easy implementation and integration of MCP servers in .NET, and now it adds an important part - the Agent Governance extension. Because exposing MCP server is not enough - you must make sure they behave.
Read the full announcement here
So, that was the May 2026 edition of theVar.
I hope you enjoyed it, and feel free to suggest and comment on it, simply by replying to this mail.
Also, if you created a unique content you think can be included here - drop me a note!
Looking forward for your feedback!
Cheers,
Memi