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Architecture & Design Follow 798 Followers

Vaughn Vernon Uses Reactive DDD to Model Uncertainty in Microservices

by Thomas Betts Follow 5 Followers on  Oct 09, 2017 6

Microservices and reactive systems bring with them uncertainty about messages arriving out of order, multiple times, or not at all. How to react to such uncertainty is a business decision, says Vaughn Vernon, and is best captured by modeling the uncertainty using concepts of Domain-Driven Design.

Architecture & Design Follow 798 Followers

Eric Evans: Domain-Driven Design Even More Relevant Now

by Thomas Betts Follow 5 Followers on  Sep 21, 2017 3

Eric Evans, author of Domain-Driven Design, said the concepts in the book he wrote in 2003 are even more relevant now than they were 14 years ago. As the range of tools and technologies has expanded, some lend themselves to the principles of DDD better than others we've had in the past. Evans said, "DDD is not about technology, but is not indifferent about technology."

Architecture & Design Follow 798 Followers

Capture - Embed - Protect, Guidelines for Domain-Driven Design

by Jan Stenberg Follow 9 Followers on  Jul 07, 2017

When using the core philosophy and the practices of DDD as guidelines for software design and development, they can be summarized in three principles: Capture – Embed – Protect, Steven A. Lowe claimed in his presentation at this year’s DDD eXchange conference. Capture the domain model. Embed the model in the code. Protect the domain model from corruption from other domains.

Java Follow 434 Followers

Kiki Carter, Enterprise Architect at Lightbend, Speaks to InfoQ at ETE

by Michael Redlich Follow 6 Followers on  Jun 07, 2017

Kiki Carter, enterprise architect at Lightbend, spoke to InfoQ at the 2017 Emerging Technologies for the Enterprise (ETE) Conference about her thoughts on microservices, reactive systems, Scala vs. Java, and the SMACK stack.

Architecture & Design Follow 798 Followers

Bringing the Domain Back to Software Development

by Jan Stenberg Follow 9 Followers on  Feb 08, 2017

If you read the business press of today, you will find that the business side of the world sees IT as an impediment that holds them back. To overcome this, we need to shift focus from the machines to the domains and start reading and learning about the domains we are working in, David West noted in his presentation at the recent DDD Europe Conference in Amsterdam.

Culture & Methods Follow 235 Followers

Using Models in Developing Software for Self-Driving Cars

by Ben Linders Follow 12 Followers on  Jul 28, 2016

Models play an important role in developing software for autonomous systems like self-driving cars; they are used to simulate and verify behavior, document the system, and generate code. Jonathan Sprinkle explains how to model software used in autonomous systems, the benefits of modeling, using test data to validate the software that drives a car and techniques for writing reliable code.

Architecture & Design Follow 798 Followers

Eric Evans: Is Domain-Driven Design Beneficial for Software Development?

by Jan Stenberg Follow 9 Followers on  Jun 16, 2016 1

The last couple of years the interest in Domain-Driven Design (DDD) has increased, Eric Evans noted in his keynote at the recent DDD eXchange conference in London. He thinks that we are in a time when developers care more about design, partially because we are working more with distributed systems where models have a higher value.

Architecture & Design Follow 798 Followers

Working with Domain Experts in a DDD World

by Jan Stenberg Follow 9 Followers on  May 31, 2016

Conversations with domain experts and the language used are central in Domain-Driven Design (DDD), but often this is hard because we don’t speak the same language, explained Cyrille Martraire in his presentation at the Domain-Driven Design Europe conference earlier this year when sharing his experiences working with domain experts in DDD-driven environments.

Culture & Methods Follow 235 Followers

Technologies and Trends in Developing Complex Software Systems

by Ben Linders Follow 12 Followers on  May 26, 2016 7

The Software-Centric Systems Conference explored new technologies, trends, and experiences in developing complex software systems. InfoQ spoke with Rob Howe and Martijn Rutten, two members of the program committee, about the main challenges that software development is facing, technology developments, driving innovation, and deploying agile to improve process reliability and deliver value.

Architecture & Design Follow 798 Followers

Lagom, a New Microservices Framework

by Jan Stenberg Follow 9 Followers on  Mar 08, 2016 1

Lightbend, the company behind Akka, has released an open source microservices framework, Lagom built on their Reactive Platform, in particular the Play Framework and the Akka family of products together with ConductR for deployment. By default, Lagom is message-driven and asynchronous, and using distributed CQRS persistence patterns with event sourcing as the primary implementation.

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Model-based Migration Approach for Maintenance of Legacy Software

by Ben Linders Follow 12 Followers on  Jun 05, 2015 1

Hans van Wezep, software architect at Philips Healthcare, talked about model-based migration at the Bits&Chips Software Engineering conference. InfoQ did an interview with van Wezep about the challenges in maintaining legacy software, why manual refactoring is error prone, using models to refactor and migrate a codebase, and the benefits of using models when maintaining legacy software.

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Developing Provably-Correct Software Using Formal Methods

by Ben Linders Follow 12 Followers on  May 22, 2015 9

Computer-checked models can be used to prove that core communications and state management in a software program are 100% logically correct. Such models can also be used to generate 100% correct source code. The usage of formal methods can reduce costs and time to market and help to deliver highly reliable software products.

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Aggregates, Entities and Value Objects in Domain-Driven Design

by Jan Stenberg Follow 9 Followers on  Jan 31, 2015

Move as much as possible of the behaviour away from the Entities into Value Objects when working with Aggregates, As more behaviour is needed this is added as new value objects, Paul Rayner recommends in a series of blog posts covering aggregates, entities and value objects, all concepts from Domain-Driven Design (DDD).

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Domain Modelling Using Event Storming

by Jan Stenberg Follow 9 Followers on  Jun 25, 2014

By gathering all domain experts and developers in a room, provide them with a paper roll, lots of colored post-its and a facilitator they may in hours create the best model ever, Alberto Brandolini suggested at the recent DDD Exchange conference in London.

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AnyPresence Soups up Enterprise MBaaS Platform- Part 1 of 2

by Martin Monroe Follow 0 Followers on  Oct 30, 2013

Mobile Backend as a Service provider AnyPresence continues to hone their chops. Launching the fifth update to their self-titled platform geared for the enterprise. Co-founder Rich Mendis provides some insights for InfoQ readers…

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