KVM Past, Present and Future

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KVM Past, Present and Future

• Shilpa Patel
• Bill Tucker

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The Problem

• How to make programs that will run regardless of
  the operating system it is running on.

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the Solution

• To create a universal pseudo-operating system
  that would mask the existing operating system.
• This mask was known as the Virtual Machine

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The Benefits

• Allows us to write programs that will run on a
  variety of operating systems without having to
  make different versions. (ie. Java)
• Can be designed to fit on machines with as little
  as 128kb of memory

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Virtual Machines at a Glance
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It Works With Anything!
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Uses of Virtual Machines

• Unix
• Java
• Electronic devices with very little memory
  (Cellular phones, PDAs, pagers)

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The KVM Technology

• The KVM technology was developed the smallest
  possible complete java virtual machine that
  would maintain all the central aspects of the
  java programming language.
• The static memory footprint of the virtual
  machine core in the range of 40 kilobytes to 80
  kilobytes.
• Cleaned, well-commented, and highly portable.
• Modular and customizable as complete and fast
  without sacrificing the other design goals.
• The K in KVM stands for kilo KVM is
  suitable for 16/32-bit RISC/CISC microprocessors
  with a total memory budget of no more than a few
  hundred kilobytes.
• The minimum total memory budget required by a KVM
  implementation is about 128 kb, including virtual
  machine and some heap space for running java
  application.
• KVM technology is used software stack to give the
  device the ability to download and run dynamic,
  interactive, secure java content on the device.

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Suns KVM

• The K Virtual Machine is the center of Java 2
  Platform, Micro Edition (J2ME), and Java 2 was
  created for wireless and other consumer
  electronic devices.
• The KVM is a platform for smaller handheld
  devices such as portable phones, pagers, PDAs,
  set-top boxes, and small-payment terminals.
• In order to create an application that run on the
  KVM, the users have to develop the Java tools and
  compiled code to produce a Java file, and then
  process the code through a converter.

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What is difference between Analog KVM and
Digital KVM?

• Analog KVM requires a physical access to the
  relieve controlling the connected servers
  (computers) to that switch.
• Digital KVM Switches uses a technology that gives
  the permission to the administrators to control
  those servers using a specialized software that
  will give them total access to that machine as
  though they where setting in front of it.
• Digital KVM Over IP, KVM Access Over IP, KVM
  Through IP is a Keyboard, Video, Mouse Switch
  that will allow total control of servers or
  computers across LANs, WANs and MANs over the
  Internet Protocol (IP).

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Digital KVM switch have many benefits !

• Access to servers from anywhere in the world over
  the massive IP network thus brining a huge
  reduction in time and expenses.
• Digital KVM Switches allow centralized management
  of servers so administrators and IT personnel
  doesn't have to be in the branch to manage
  servers thus reducing costs.
• Most new KVM Over IP Switches tend to use CAT5
  cables which help reduce the clutter that analog
  KVM switches cause with there cables. Not to
  mention the savings in terms of cables cost.

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KVM on the Palm Pilot

• Allows small Java programs to be run on the Palm
  Pilot.
• Other PDAs that have the KVM technology can
  communicate with the Palm Pilot, regardless of
  their make or model.

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KVM On Your Cell Phone

• Programs such as AOL Instant Messenger are
  available due to KVM technology.
• Works just like the real version, despite the
  memory limitations of the phone.

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References

• Java 2 platform Micro Edition (J2ME )
  Technology for Creating Mobile Devices May
  19.2000.
• Java World Opinion The Java-enabled wireless
  world March 6, 2000.
• http//www.foxns.com/switches/switchview/dt.html
• Michael Deleo A Demonstration of JiniTM
  Technology and the K Virtual Machine September
  1999
• http//www.cis.njit.edu/nichol/