Embed Size (px)
Citation preview
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
IBM Software Group
© 2006 IBM Corporation
Information Management SystemA hierarchical Database
Böblingen, August 2006
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
Agenda
• Who uses IMS?
• What is IMS? - Technical Overview
e-business powered by IMS
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
Who uses IMS? - Online Banking
EUR
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
Stock Exchange
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
Economic Importance
• 95 % of the Fortune 1000 Companies use IMS
• 15 Peta Byte (Million Giga Byte)stored Production Data
• 50 Milliard Transactions per day, world-wide
• 200 Million Users per Day
Every graduate engineerand bachelor should haveheard about IMS!
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
IMS stands for Performance
• Per Day 2.5 Billion USD Transfer trough one of the largest installations.
• Large Installations have more than 100 Millionen transactions per day.
• One of the largest installations processes 7 Million transactions per hour.
• More than 20 000 transactions per Second on a single Processor
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
Why was IMS created?
• Saturn und ApolloSpace Program
• Developed in the 1960es
• Dependable
• Fast
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
What is IMS? - A Technical Overwiew
There are two parts of IMS:
• IMS/TM Transaction Manager
• IMS/DB Database
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
IMS Transaction Manager
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
Commonly known Database Types
Object Oriented ModelSince 1985
Network ModelSince 1971
Relational ModelSince 1970
Hierarchical ModelSince 1968
© 2006 IBM Corporation
IBM Software Group
Böblingen, August 2006
1205 20 Paper
Order DB - Example
Hau Michblau Main Street 4
Customer
01 2005-04-06Order
2005-04-08How do I reorder?
2005-04-07 How do I pay?
2005-04-05 How do I order?
Inquiry
1204 15 Envelope
Item
