Communication protocols - microservices tend to rely on REST/gRPC for synchronous calls and message queues for asynchronous calls, while SOA has no prescribed limits.Microservices are independently scaled and resilient to failure. Each microservice owns its own data and communicates with clients/other services only through a well-defined, strictly enforced interface. Bounded context - microservices are built on the ‘share as little as possible’ architecture style.Service granularity - Microservices are small, fine-grained services, while SOA can include large-scale services that encompass a whole system or product.Of course, there is no formal, industry-accepted definition or specification of microservices either, but they introduce some key concepts that lack or differ in SOA: SOA remains vague about how you organize and deploy your application, how separated the different units are (they might even be using the same database) and how the various units interact with each other - you might be using remote procedure calls, or some sort of inter-process communication on the same host, or indirectly (through message queues), or over HTTP.

It predates microservices, but it’s based on the same core principle - organize the application into separate units that can be accessed remotely through a well-defined interface and can be updated independently, without affecting the rest of the system. The emergence of the DevOps discipline and the ability to automatically build, integrate, deploy and scale software led to the birth of Service-Oriented Architecture (SOA).

Today, we will learn how to build a microservices architecture in PHP.Ĭreating Microservices is its own art. Traditionally, web apps are created as monoliths (a single code base, running in the same process), which are generally harder to maintain, as you need to re-deploy the entire app for every change you make unlike with a microservice. Because of the ever-changing nature of software, companies are always experimenting with ideas to improve software longevity, such as the latest update of the microservice architecture in PHP. Software is always evolving from the programming languages and frameworks to the architectures of the apps we create.

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