The objective of this presentation is to break the mainframe myths and to present the reality so that the audiences can realize the power of mainframes.

1. Unleash the power of Mainframes
By: Harmeet Kaur Sokhi

2. Objective
 To break the mainframe myths and to present the
reality
 To let the audience recognize the power of mainframes

3. What is the general perception about Mainframes?
A general Answer
●
Huge Systems occupies a lot of space-rooms
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A relic of the past . Becoming Extinct???
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Only runs legacy applications
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Only for Batch Processing
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Very Expensive
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No connection to the new generation or some would rather
say Old gen systems??
●
Black Screens
●
Only very few have used mainframes

4. What is the general perception about Mainframes?
A general Answer
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Huge Systems occupies a lot of space-rooms
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A relic of the past . Becoming Extinct???
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Only runs legacy applications
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Only for Batch Processing
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Very Expensive tio lu
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No connection to the new generation or some would rather
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say Old gen systems??
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Black Screens icih
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Only very few have used mainframes
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5. The dimensions – State of the art
 Early mainframe systems were housed in enormous, room-
sized metal boxes or frames, which is probably how the
term mainframe originated
 Starting around 1990, mainframe processors and most of
their I/O devices became physically smaller, while their
functionality and capacity continued to grow. Mainframe
systems today are much smaller than earlier systems—
about the size of a large refrigerator.

6. Extinct or Foundation of the critical Business???
1. Far from extinct, mainframes rule the data centers
2. The mainframe is often used by IT organizations to host the most important,
mission-critical applications.
3. According to one estimate
 Almost 70% data is stored on mainframes
 85% of all business transactions are processed on mainframes
Who uses it ?
1. We are all mainframe users, whether we realize it or not.
2. The roads of the information superhighway often lead to a mainframe
3. Mainframes, tend to be hidden from the public eye. They do their jobs dependably—
indeed, with almost total reliability— and are highly resistant to most Forms of insidious
abuse that afflict PCs, such as e-mail-borne viruses and Trojan Horses.

7. Strengths of a Mainframe
1. Perform large-scale
transaction processing
Thousands
(thousands of transactions per
of trx/sec second)
Large 2. Support thousands of users
Concurrent
bandwidth and application programs
users concurrently accessing
comm
numerous resources
3. Manage terabytes of
information in databases
Mainframes 4. Handle large-bandwidth
Tera bytes of communication
infor in Stable
dbase 5. Secure: Never been hacked till
date
6. Stable:
7. Compatible
Secure Compatible

8. Modern Mainframes: Multi Language Support
The most widely used computer languages supported by Mainframes:
Rexx,
Cobol,PL/I Java Ezplus
Assembler xml Clist
C/C++
New age highly optimized application
capable of meeting modern user needs
Application Assist Processor (zAAP): Mainframe processor also called zAAP engines
are dedicated to running specific Java and XML workloads under z/OS.

9. Modern Mainframes: Multi O/S
 A mainframe computer can run on multiple operating systems
 Along with z/OS and other Legacy O/S Mainframes now has Linux as well
 Soon to get Windows as well
LINUX
(IFL)
O/S
Z/OS &
Other
Windows
legacy
O/S

10. Modern Mainframes: Express Gateway to the Web
CICS/IMS Transaction gateways
1. New mainframe hardware and software products are ideal for Web transactions.
2. Designed to allow huge numbers of users and applications to rapidly and simultaneously
access the same data without interfering with each other
3. Additional processing capabilities for XML documents and attachments such as graphics files
or other binary large objects that are being transmitted within SOAP packets.
4. IBM added the ability to use existing BMS maps (interface between CICS programs and
terminals) and CICS programs, and make them available through a web services interface.

11. Enormous set of Tools
 The Tivoli Integrated Service Management platform provides solutions for auto discovery
of IT infrastructures and relationships eliminating manual entry of resource and
relationship information.
 DB2 V9, have reported anywhere from 50 – 80% in storage savings.
 OMEGAMON XE monitoring solutions help diagnose IT issues across applications,
middleware, and SOA-enabled systems or traditional computing infrastructures
 Wonderful Dev environnements like MFE : MAINFRAME EXPRESS
 System z user has access to newer visual system tools, more productive development
tools, tools for provisioning virtual servers, and updated software that provides the
ability to convert existing applications making them available through web services.
Tivoli
Micro Omega
Tools
Focus mon
CA

12. About the expense
 Because mainframes have a high initial acquisition cost in
comparison to distributed systems, many people mistakenly
believe that they are more expensive to own.
 Years of TCO (total cost of ownership) analyses, however,
consistently prove that mainframes offer more processing
power for the dollar than distributed servers.
 This cost-per-MIPS ratio improves every year.
 Administrators: One m/f server v/s distributed servers

13. Green is IN
 According to IBM, it would take approximately 1,500 x86 servers to provide
the capacity of a z10 mainframe.
 A z10 mainframe consumes about 85 percent less energy for comparable
workloads -- taking into account power consumption for both the
processing itself and the cooling of the hardware.
 Add to these power savings reduced floor-space requirements, and it's clear
that the mainframe is among the "greenest" computing solutions on
the market.

14. The Final Word….
The mainframe remains indispensable in the context of today's enterprise computing challenges --
delivering reliable, scalable, and secure services with minimum cost and maximum efficiency.
IT decision-makers who see past the mainframe myths will be much better equipped to fulfill their
companies' needs -- and outsmart competitors who fail to grasp the mainframe's true value.
Migrating to Mainframe” rather than “Migrating off”

15. Any Questions ????
Email @ harmeetkaur.sokhi@gmail.com

16. THANK YOU