Microservices are a set of small services that work independently and autonomously. Each function can be written in a different programming language, so it isn’t too rigid as monolithic apps. With microservices, if we want to change a single function, is not necessary to alter the rest of the infrastructure.

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In comparison, monolithic applications are developed under a single unit. An architecture based on Microservices works with a set of small services that execute functionalities independently. They allow the service to be correct in case a bug appears. That kind of situation will not affect the performance of another function. How can we see this is very important for current applications, where the client can’t have a dropped application.

Main Features of Microservices

1- The applications built under the architecture of Microservices allows to be decomposed in several parts. These sections work as independent parts. This configuration enables to display and change functionalities of the app while not affecting other features.

2- Microservices are usually organized around the needs and priorities of the client. The architecture uses multifunctional modules to adopt a common module. That way, it offers a special service, saving a lot of development time. Regarding time performing and maintenance tasks, Microservices don’t affect others.

3- Each module is independent because they have their database. This order avoid overload and possible application drop.

4- When several services communicate with each other, you need to have a system of alerts to register the service’s falls. In this case, the mail must be directed to support.

Advantages

• Allow different programming languages for the various modules.
• Can be developed with a small team.
• Easy to integrate and deploy.  Third-party services can also incorporate them easily.
• The developer is free to implement services independently.
• Easy to understand and modify.

Disadvantages

• Tests can be complicated due to distributed deployment.
• The use of this technology may require high memory consumption.
• A large number of services can make it complicated to manage.
• The developer will be in charge of dealing with network latency, load balancing, and fault tolerance.

Microservices work as a set of small services that run independently and autonomously. This methodology allows creating applications that are easier to integrate with each other and others.  The learning curve for a new team member development should be much faster. Microservices will enable the system to respond to multiple requests. For example Amazon and Netflix, which offer stable services that meet requests satisfactorily.

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