1) Delphis Informatica presented their experiences with Linux on IBM System z architecture. 2) They discussed IBM System z history and architecture from the 1960s to present. 3) Application architecture in Linux on IBM System z was explored including languages, databases, application servers, and non-traditional functions. 4) Real experiences and a business case study from Delphis customers using Linux on IBM System z were shared.

1. Delphis experiences in Linux on IBM System z area
Marco De Felice – Delphis Informatica s.r.l.
marco.defelice@delphis.it
Focus Group Open Source della Pubblica Amministrazione
4 Ottobre 2011 - IBM Forum – Segrate - Milano
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2. Delphis Informatica experiences in Linux on IBM System z area
Agenda:
1. Delphis Informatica Company short presentation
2. IBM System z Architecture Flashback
3. Application architecture in Linux on IBM System z
environment: Application Servers, languages,
data bases, tools, …
4. Real experiences from our customers and a real
business case
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3. Delphis Informatica experiences in Linux on IBM System z area
Delphis Informatica short presentation
• Delphis, established in Genoa (Italy) in 2001,
offers best competences, experiences and
certifications in virtualization & Linux area, on
mainframe platform and other platforms
• Delphis has two mainframe systems, one S/390
Integrated Server dedicated to tests and
professional services in z/VM e VSE/ESA
environment, with CICS, COBOL etc., and one
IBM System z entirely dedicated to tests and
demos in zLinux environment
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4. Delphis Informatica experiences in Linux on IBM System z area
Delphis Informatica short presentation
Most important certifications and partnerships:
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5. Delphis Informatica experiences in Linux on IBM System z area
The IBM System z c/o Delphis
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6. Delphis Informatica experiences in Linux on IBM System z area
Delphis Informatica short presentation
IBM Partner on z not only for Business, but also
for technical publications and Academic Initiatives
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7. Delphis Informatica experiences in Linux on IBM System z area
IBM System z Architecture Flashback
 „60 (7 april 1964): S/360 Announcement
 „70: S/370 Announcement
 „80: XA Architecture Announcement
 „90: ESA Architecture Announcement
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 „00: z (64 bit) Architecture & IFL Announcement
 „10: z Architecture Hybrid Announcement
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8. Delphis Informatica experiences in Linux on IBM System z area
IBM System z Architecture Flashback
2000-2011: System z models and IFL engines
 z800 with a 192 MIPS IFL Engine
 z890 with a 360 MIPS IFL Engine
 z9 BC with a 480 MIPS IFL Engine
 z9 EC with a 580 MIPS IFL Engine
 z10 BC with a 673 MIPS IFL Engine
 z10 EC with a 900 MIPS IFL Engine
 Z196 with a 1200 MIPS IFL Engine
 Z114 with a 800 MIPS IFL Engine
(rough MIPS estimations)
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9. Delphis Informatica experiences in Linux on IBM System z area
Application Architecture in zLinux environment
 Languages and application development tools
 Data Base Manager
 Application Server
 Non traditional functions (VOIP, B.I.)
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10. Delphis Informatica experiences in Linux on IBM System z area
Application Architecture in zLinux environment
 Languages and application development tools:
 Rational Developer for System z
 C++
 JAVA
 COBOL
 REXX
 Other open source languages (PHP, Perl, Python, …)
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11. Delphis Informatica experiences in Linux on IBM System z area
Application Architecture in zLinux environment
 Data Base Manager:
 IBM DB2 for zLinux
 Oracle
 SAG Adabas
 MySQL
 PostgreSQL
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12. Delphis Informatica experiences in Linux on IBM System z area
Application Architecture in zLinux environment
 Application Server and SOA access (Websphere
Application Server, Red Hat JBoss, Apache Tomcat)
 Emulation accesses (Host on demand 3270/5250)
 Typical Linux servers (FTP, HTTP, Mail, … )
 Open standard access (VNC, Putty, SSH, Telnet)
 Non traditional applications (VOIP like Communigate
suite, B.I. tools like Cognos products, ILOG)
 Tool & Utilities
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13. Delphis Informatica experiences in Linux on IBM System z area
Possible application scenarios:
Z10 - CP Partial Z10 - IFL
engine “internal engine
rehosting”
DB
DB
DB
• Better
A.S. performances
Appl.
• Lower costs
• Just open
Appl.
Appl. • In case,
A.S. migration tool
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14. Delphis Informatica experiences in Linux on IBM System z area
Possible application scenarios:
Intel blade Oracle Data Z10 - IFL
Intel blade Base Machine engine
Server
Intel blade consolidation
Intel blade
ORACLE
• Very better
performances
• Very very
Appl. lower costs
A.S. • Just open
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15. Delphis Informatica experiences in Linux on IBM System z area
A real Business Case
Confronto fra utilizzo di z e intel
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16. Delphis Informatica experiences in Linux on IBM System z area
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17. Delphis Informatica experiences in Linux on IBM System z area
Linux on z Enterprise Server in 2011
 About 1500 customers worldwide use Linux on System z;
about 100 of them use Linux with IFL-only z Systems
 About 6000 IFL engines are running worldwide with Linux
on System z
 The most important Linux on z IBM customer use about
290 IFL engines
 About 70% of IBM System z customers use Linux on IFL
engines
 About 16% of all installed MIPS worldwide are running
with Linux on IFL
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18. Thank you
for your attention …
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