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Technology: Intro update

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linse 2017-09-16 14:24:22 -04:00
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Technology
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@ -8,22 +8,13 @@ We develop digital infrastructure with a minimal footprint. Where other approac
try to patch general purpose operating systems by adding more layers of indirection,
we strive to build a secure system from the ground up.
Each piece of digital infrastructure or service is (a) written in a high-level
memory-safe programming language and (b) specialised to only contain the
required functionality at compilation time. This (a) reduces the attack vectors
and (b) also reduces the attack surface.
Each piece of digital infrastructure or service is written in a high-level
memory-safe programming language and tailored to only contain the
required functionality at compilation time. This reduces the attack vectors
and the attack surface.
The resulting service is executed as a virtual machine on a modern hypervisor.
Its size is usually two orders of magnitude smaller (ranging from kilobytes to
16 megabytes) than a UNIX / Linux system, and boots within milliseconds.
We program in [OCaml](https://ocaml.org), a multi-paradigm
programming language, which unifies functional, imperative, and object-oriented
programming. OCaml has an expressive static type system with type inference.
Developers can specify complex invariants in the type system, which are
checked at compile time, and violations are caught early.
We discuss more reasons why we use OCaml [further down](#Why-OCaml).
Its size is usually around 1-10 MB, much smaller than a UNIX / Linux system, and boots within milliseconds.
## MirageOS - bespoke operating systems