The Kubernetes APIs
If you want to understand the capabilities of a system and what it provides, you must pay a lot of attention to its API. The API provides a comprehensive view of what you can do with the system as a user. Kubernetes exposes several sets of REST APIs for different purposes and audiences. Some of the APIs are used primarily by tools and some can be used directly by developers. An important aspect of the APIs is that they are under constant development. The Kubernetes developers keep it manageable by trying to extend (adding new objects and new fields to existing objects) and avoid renaming or dropping existing objects and fields. In addition, all API endpoints are versioned, and often have an alpha or beta notation too. For example: /api/v1 /api/v2alpha1 You can access the API through the kubectl cli, via client libraries, or directly through REST API calls. There are elaborate authentication and authorization mechanism we will explore in a later chapter. At this point, let's get a glimpse into the surface area of the APIs.
Difference between Kubernetes and Service Fabric
I have worked on Kubernetes and currently reading about Service Fabric, I know Service Fabric provides microservices framework models like stateful, stateless and actor but other than that it also provides GuestExecutables or Containers as well which is what Kubernetes also does manage/orchestrate containers. Can anyone explain a detailed difference between the two?
BEST ANSWER:
You can see in this project paolosalvatori/service-fabric-acs-kubernetes-multi-container-appthe same containers implemented both in Service Fabric, and in Kubernetes.
Their "service" (for external ingress access) is different, with Kubernetes being a bit more complete and diverse: see Services.
The reality is: there are "two slightly different offering" because of market pressure.
The Microsoft Azure platform, initially released in 2010, has implemented its own Microsoft Azure Fabric Controller, in order to ensure the services and environment do not fail if one or more of the servers fails within the Microsoft data center, and which also provides the management of the user's Web application such as memory allocation and load balancing.
But in order to attract other clients on their own Microsoft Data Center, they had to adapt to Kubernetes, released initially in 2014, which is now (2018) either adopted or closely considered by... pretty much everybody (as reported in late December)
(That does not mean one is "better" than the other,
only that the "other" is more "visible" than the first ;) )
So it is less about "a detailed difference between the two", and more about the ability to integrate Kubernetes-based system on Microsoft Data Centers.
This is in line (source: detailed here) with Microsoft continued its unprecedented shift toward an open (read: non-proprietary) staging platform for Azure (with Deis).
And Kubernetes orchestrator is available on Microsoft's Azure Container Service since February 2017.
You can see other differences in their architecture of a deployed application:
Service Fabric:
Vs. Kubernetes:
thieme mentions in the comments the article "Service Fabric and Kubernetes comparison, part 1 – Distributed Systems Architecture", from Marcin Kosieradzki.
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