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Service mesh vs. API gateway — which is better?
Many enterprise leaders, technologists, and entrepreneurs recognize the value of service mesh. Likewise, they understand the role an API gateway can play in streamlining APIs and apps.
Yet, many are confused about how a service mesh approach can work alongside an API gateway. Or, whether to utilize one instead of the other.
You may be wondering:
Let’s unpack some key differences to answer these questions.
An API gateway is a centralized control plane vs. a service mesh is amethod of breaking application functionality into microservices, which is managed by an infrastructure layer. When used together, an API gateway can act as a mediator in a service mesh architecture. This adds security and speed to delivery.
The table below provides a quick overview of differences between service mesh and API gateway.
Designed to improve portability within internal enterprise systems and microservices.
Designed to route internal, external, and even database API calls.
How It Works
Operates within the confines of an internal enterprise technology footprint.
May route calls from applications that live outside your enterprise.
Role of APIs
APIs are used to secure the service mesh at scale.
API gateways are used to manage and secure APIs.
Role in Digital Transformation
Accelerates delivery by managing microservices, but can present security challenges.
Accelerates time-to-market and ensures security, especially when used with a service mesh.
Adds to complexity as endpoints scale with the business.
Makes it easy to manage endpoints and scale APIs to manage the service mesh.
Automated security policies and features
Securing the Edge API and Microservices MeshThere are many benefits to the service mesh. But how can you ensure it’s secure? Find out in this white paper.📕GET THE WHITE PAPER
Securing the Edge API and Microservices Mesh
There are many benefits to the service mesh. But how can you ensure it’s secure? Find out in this white paper.
📕GET THE WHITE PAPER
APIs are an essential component to digital transformation. Which is why APIs have gained rapid adoption in recent years. Yet, when you scale APIs on top of applications, services, and databases, greater digital complexity can be the result.
As the number of APIs expand, you need full lifecycle API management to improve security. Plus, it makes it easier to:
The API gateway is a critical component. In this approach, all APIs are routed through the gateway. This allows you to manage your APIs, and the applications they are built upon — from a single layer.
Service mesh is also key to digital transformation. You could technically run a service mesh architecture without any APIs. Yet, this is often chaotic and poses security problems.
When you scale microservices, the number of application endpoints explode. In theory, every single one of these endpoints need to be managed, improved, and secured. Without APIs, this requires thousands of hours of developer time.
The ideal approach for securing and grappling with endpoint complexity is API management. When APIs are scaled upon microservices, the entire service mesh architecture can be routed through and managed by an API gateway. In short – with a centralized API gateway, managing service mesh becomes greatly simplified.
To scale security in digital transformation, you need an API gateway AND a service mesh.
With service mesh, the point is to improve how microservices support one another, and create connectivity across the entire digital ecosystem. With API gateways, the point is to create a single control plane through which all API functions – and associated applications – can be managed.
When organizations scale service mesh and microservices, the API gateway acts as the perfect technical support structure. When it comes to security it acts as shield and gatekeeper.
The gateway creates a security layer at a proxy level. Which means security threats can be detected and resolved at this proxy level. This increases your ability to detect security threats before they reach your applications and databases.
Here’s an example:
Your gateway serves additional security and technical functions. These include:
Using an API gateway with service mesh enables innovation.
A key benefit to implementing an API-centric infrastructure is the ability to expose applications and services to internal, or external developer communities. For many organizations, this allows for API monetization via an API marketplace.
Likewise, the API gateway allows you to consume external APIs and their functionality inside your organization. In a world where products, services, and applications are adopted readily across developer communities, this is a key component to business innovation and competitiveness. This allows businesses to improve digital revenue and digital products, by incorporating external API functionality. Put simply, this is how modern businesses stay competitive in a digital-first economy.
On the other hand, service mesh is focused on the optimization of technical resources within an enterprise. When microservices and service mesh are present, discrete application functionality can be repurposed across a variety of internal applications. This means you can rapidly achieve continuous delivery, continuous integration, and other important DevOps processes. This is a key component in evolving a monolithic application footprint to a modern digital enterprise.
Akana offers the easiest way to accelerate digital transformation in the enterprise. Akana’s API gateway works seamlessly in service mesh environments to enable this transformation. That’s because Akana:
You can watch our on-demand demo anytime to see Akana in action.