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rom Monolith to Microservices: What’s the Amazing Story Behind This Transformation
With the advancement of technology, many companies are considering switching from traditional monolithic architecture to microservice architecture. This transformation is not just a technological change, but also a major adjustment to the organizational structure and development process.
Microservice architecture is an architectural pattern that organizes an application as a set of loosely coupled, small services that communicate through lightweight protocols.
In a microservices architecture, each service is designed around a specific business capability, enabling it to be independently developed and deployed, thereby improving modularity, scalability, and adaptability. However, this architecture also brings complexity, especially in managing distributed systems and communication between services, which is more challenging to implement for the first time than a monolithic architecture.
Definition of Microservices
While there is no single, universally accepted definition of microservices, they generally focus on modularity and emphasize the independence and sustainability of each service. Microservices architecture is usually accompanied by several principles such as domain-driven design, decentralization of data and governance, and the flexibility to choose different technologies based on individual needs.
According to a report, the global microservices architecture market is expected to grow to $3.1 billion by 2026.
History of Microservices
The history of microservices can be traced back to 1999, when software developer Peter Rogers conducted a research project called Dexter at HP Labs, which aimed to make code less brittle and make large, complex software systems more resilient to change. Have stronger stability. This research eventually led to the development of resource-oriented computing, a broader computing abstraction of which REST is only a specific subset.In 2005, Rogers stated: "Software components are microservices...microservices are composed through Unix-like plumbing." This means that a good microservices platform will apply the underlying architectural principles of the Web and REST. .
Microservice granularity
In a microservices architecture, determining the appropriate service granularity often requires iterative collaboration and evaluation between architects and developers. This involves evaluating architectural characteristics such as user needs, service responsibilities, and non-functional requirements.
Advantages of MicroservicesThe balance between overall architectural goals and business requirements will influence the design choices for microservices.
Breaking an application into different small services brings many advantages, such as modularity and scalability. Because microservices can be developed and deployed independently, enterprises can more easily manage and scale application systems. Additionally, microservices facilitate the integration of heterogeneous and legacy systems, thereby accelerating the overall modernization process.
Criticisms and Concerns about Microservices
While microservices have their advantages, they also have their critics. For example, interactions between services may create intelligence barriers, and latency issues in network calls may affect overall performance. Additionally, the development complexity and support challenges of managing multiple services are a major issue.
SummaryThe implementation of a microservices architecture is not without its challenges, but with the continuous advancement of technology, more and more companies are choosing to embrace this flexible architectural model. However, is this transformation sufficient to cope with more complex application requirements in the future?
