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#19 translating application layer to portuguese

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IuryAlves 2017-06-25 23:40:59 -03:00
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@ -112,7 +112,7 @@ Interested in **translating**? Please see the following [ticket](https://github
* [Horizontal scaling](#horizontal-scaling)
* [Reverse proxy (web server)](#reverse-proxy-web-server)
* [Load balancer vs reverse proxy](#load-balancer-vs-reverse-proxy)
* [Application layer](#application-layer)
* [Camada de aplicação](#camada-de-aplicacao)
* [Microservices](#microservices)
* [Service discovery](#service-discovery)
* [Database](#database)
@ -707,19 +707,19 @@ Additional benefits include:
* [HAProxy architecture guide](http://www.haproxy.org/download/1.2/doc/architecture.txt)
* [Wikipedia](https://en.wikipedia.org/wiki/Reverse_proxy)
## Application layer
## Camada de Aplicação <a name='camada-de-aplicacao'></a>
<p align="center">
<img src="http://i.imgur.com/yB5SYwm.png">
<br/>
<i><a href=http://lethain.com/introduction-to-architecting-systems-for-scale/#platform_layer>Source: Intro to architecting systems for scale</a></i>
<i><a href=http://lethain.com/introduction-to-architecting-systems-for-scale/#platform_layer>Fonte: Introdução à arquitetura de sistemas escaláveis</a></i>
</p>
Separating out the web layer from the application layer (also known as platform layer) allows you to scale and configure both layers independently. Adding a new API results in adding application servers without necessarily adding additional web servers.
Separar a camada web da camada de aplicação (também conhecida como camada de plataforma) te permite escalar e configurar ambas as camadas independentemente. Adicionar uma nova API resulta em adicionar servidores de aplicação sem necessariamente precisar adicionar novos servidores web.
The **single responsibility principle** advocates for small and autonomous services that work together. Small teams with small services can plan more aggressively for rapid growth.
O **princípio de responsabilidade única** defende o uso de serviços pequenos e autônomos que trabalham juntos. Times pequenos com serviços pequenos são capazes de se planejarem melhor e crescerem rapidamente.
Workers in the application layer also help enable [asynchronism](#asynchronism).
Workers na camada de aplicação também permitem executar tarefas assíncronas [asynchronism](#asynchronism).
### Microservices