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FTL: A new operating system for clouds
TL;DR
FTL is a new userspace operating system designed for cloud environments, allowing developers to build OS features like applications. It enhances container isolation and performance while maintaining compatibility with Linux binaries.
✦ Why It Matters
Explore FTL to enhance your cloud applications with improved security and performance today.
Key Takeaways
- Build your own OS as a library for easier feature management.
- Utilize FTL for better container isolation in cloud environments.
- Run Linux applications seamlessly on FTL without modifications.
- Quickly extend OS features without deep kernel programming.
How It Works
FTL operates by allowing each container to run a userspace OS, which is a shared library implementing essential OS functions like process management and networking. The FTL kernel provides a minimal interface for executing Linux system calls in userspace, similar to how a hypervisor operates.
This architecture combines the advantages of microkernels, such as flexibility and security, with the performance benefits of monolithic kernels, enabling lightweight containers to achieve VM-like security without sacrificing speed.