The microservices approach is a concept of developing solutions that are highly loaded or flexible in logic. Each microservice performs a small atomic task. Several (or all) micriservices are combined by BPM systems. Microservices can be written in different languages, scaled or refactored independently of one another.
The more extensive a development is, the more you're faced with regression and custom functionality management. BPMS and the implementation of TDD help reduce time-to-value.
Transparent algorithms for business
Business analysts can create or modify algorithms with complex events (timers, exceptions, decision tables) independently, without developers support.
Unlike a modular variant, a microservice solution can be scaled atomically starting with the actual microservices and all the way up.
Modular systems with rich functionality complicate the scaling and change-making procedures. Sometimes it is extremely difficult to carry out comprehensive testing covering all the features.
The main advantages of microservices:
- easily scalable;
- the possibiltiy of 100% TDD;
- transparent for business analysts;
- simple refactoring.
Microservices Have Clear Inputs and Outputs
Simplified Event Logs Reading
Variations in the Use of Programming Languages
BPM System Integration
The Opportunity of TDD Use
Easy to Scale
Amazon is an American company, the world's largest e-Commerce platform.
When Amazon was on a monolithic server, it was difficult to cope with heavy website traffic, especially during the sales peak period. As a result, Amazon was losing money, and most of its server capacity was wasted during the downtime. The transition to Amazon Web Services (AWS) allowed Amazon to scale capacity up or down as and when necessary, reduce both the number and duration of outages and save money. Thanks to the microservice architecture, Amazon has moved to a continuous deployment, and now Amazon engineers deploy code every 11.7 seconds.
Netflix is an American entertainment company offering online streaming of films and television series.
When the Netflix website had a monolithic architecture, it experienced rapid growth rates and constant failures as servers couldn't cope with high loads. In 2009, in order to cope with the growing demand, Netflix started migrating from the monolithic architecture to cloud-based microservice architecture. This allowed Netflix engineers to deploy code thousands of times per day. Today, Netflix serves more than 200 million users worldwide, streaming more than ten billion hours of movies and TV shows without interruption.
Обеспечили Polaris возможность легко выводить новые товары на маркетплейсы и менять информацию о товарах в несколько кликов
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