Midori

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Midori
Microsoft Researchs
The Post Windows Operating System
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Singularity

• Midori is a stem off of this operating system
• A research project started in 2003 to build a
  highly-dependable operating system in which the
  kernel, device drivers, and applications are all
  written in managed code
• Currently used by Microsoft Research Team

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Configuration

• Co-exist and interoperate with existing Windows
  applications

• Concurrency will be the foundation

• Assumes the user will always be online

• To be ran on many different topologies

• Componentized from the beginning

• More virtually-oriented than any other OS

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Concurrency

• Concurrency is a property of systems in which
  several computational processes are executing at
  the same time, and potentially interacting with
  each other according to Wiki.com.

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Specifications

• Asynchronous-only architecture known as
  Asynchronous Promise Architecture
• Tools and libraries are completely managed code
• Run directly on native hardware (x86, x64, and
  ARM)
• Will be hosted on the Windows Hyper-V hypervisor
  or a Windows process

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Specifications Cont.

• Contains two kernel layers
• Uses a Resource Management Infrastructure
  framework

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Resource Management Infrastructure

• Also known as RMI
• The framework for the scheduling of all types of
  devices
• Has the specifications for resource accounting
  including IO bandwidth, memory, power, and
  response time

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Asynchronous-Only Architecture

• Midori will use this architecture but it will be
  built for task concurrency and parallel use of
  local and distributed resources. It will do this
  for dynamic management of power and several other
  resources.
• They have created a better model of this type of
  architecture, it is known internally as
  Asynchronous Promise Architecture.

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Asynchronous Promise Architecture

• A higher-level application model that extracts
  the details of physical machines and processors.
  It will be consistent for both the distributed
  and local concurrency layers.
• APA will efficiently distribute applications
  across nodes

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Midoris two kernel layers

• A microkernel that contains unmanaged code that
  will control hardware
• A higher-level managed kernel services that
  furnishes the operating system functionality

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Programming with Midori

• Simpler than it currently is in Windows
• Useful for service-oriented architectures
• Allows for the decomposition of applications into
  services that can be partitioned across the
  different tiers
• Uses .NET Programming Languages

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Programming Cont.

• Programs will be assembled to native code using
  the Bartok complier and runtime system
• It will have a non-blocking object-oriented
  framework API

An API, application programming interface, is a
set of functions, procedures, methods, or classes
that an OS, library, or service provides to
support requests made by computer programs.
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Bartok Complier

• The Bartok Complier is able to typecheck machine
  code for programming errors which would be great
  for the creation of applications in the
  environment.
• According to Microsoft, it will use an
  intermediate typed language.

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Topologies

• Midori will be used on many different topologies.
  

• Client-server

• The cloud data center

• Peer-to-peer

• Multi-tier

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Cloud Computing

• Defined as internet cloud based development and
  use of computer technology computing.
• Where IT-related capabilities are provided as a
  service allowing users to access
  technology-enabled services from the Internet in
  the cloud without much knowledge or control over
  the technology infrastructure that supports them
  according to Wiki.com.

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Data Storage

• Higher-level opportunities are available,
  including compliance, compression, consistent
  replication, computation close to data,
  encryption, indexing and search, as well as
  storage in the cloud.
• Provides a built-in multi-master replication for
  complex data.

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Business World

• Storing data and backup capability on a central
  Microsoft Server
• Being able to move to different environments
  without reinstallation
• Installation possibility on several different
  topologies
• The ability to program using .NET languages
• The concurrency will benefit all businesses