Hexagonal Architecture, firstly introduced by Alistair Cockburn back in early 2000s, (who is also one of the main protogonists of Manifesto of Agile Software Development) is pretty popular architectural style applied to layered architectured software systems, which lack of flexibility, entaglement. …

Application of different Service Mesh Tactics — Performance concerns are driving forces for software architects to come up with new techniques for more efficient software performance. The performance is also hot topic for teams applying microservices. The extreme popularity of microservices has led to evaluation of service mesh pattern/architecture (whatever you want to call this…). In software…

Designing well-established Interfaces — There is no software system in isolation. Software systems communicate with each other to request or response some data. This is also called interoperability. Interoperability is about the degree to which two or more systems can usefully exchange meaningful information via interfaces in particular context. Software systems can exchange this…

In Java world, Spring Framework/Boot is a must-have skill set. XML-Based Configuration was for a long time main mean. But overloaded xmls with unreadable structure has become quickly headache for developers. Spring has started to switch from XML-based configuration to Annotation-based Configuration. Nowadays, greenfield projects are structured almost always in…

Essential Design Patterns that are used in JDK — 21 famous software design patterns that are summarised and presented by GoF can be found frequently in Java Core Libraries. Depending on situation different patterns are elegant way to implement object oriented programming. Let us have a quick overview to 10 design patterns that are applied in different parts of…

Apache Kafka, Apache Pulsar, AWS Kinesis, Amazon SQS, RabbitMQ, IBM MQ, RocketMQ, Azure QS — Event Streaming Platforms (ESP) and Message Queues (MQ) are pretty popular solutions in nowadays IT world. Event Streaming cops with getting real-time data from different sources as a stream of event and delivers this continuous flow of data to different destinations for further refinement. MQ is a form of asynchronous…

Basics of designing a scalable software system — So far we have discussed different software architecture topics in more low-level aspects, focusing on designing specific parts of software system separately such as backend, frontend, middleware etc. With this article we take the discussion to one step further and discuss designing a software system end-to-end. In designing whole system…

Docker is by far one of the most popular tools in DevOps world. If you work with containers, you will most probably have to deal with docker. This blog is not about fundamentals of Docker, but mainly for those who already work with Docker and would like to make his/her…

Angular version 15 is out and it brings plenty of new functionalities along with more stability and rifeness. Google has brought already many changes with Angular 14 but mostly with beta taste. But with newer version they stabilized pretty many things. The team refactored old compiler which enables more performant…