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PERA Frequently Asked Questions

What is the Purdue Model ?
What is the PERA Master Planning Methodology ?
What is the difference between the PERA Reference Architecture, and the PERA Master Planning Methodology ?
In what industries has PERA been applied ?
What is an Enterprise Model ?
What is an Enterprise Architecture ?

What is a Production Facility Architecture ?
What is a Human and Organizational Architecture ?
What is an Information Systems Architecture ?

What are PERA Architecture "Levels" , and how many should there be ?
What are PERA 4Rs ?
What are Cyber Security Levels "SLs" , and how are they used ?
What is Safety Instrumented System / Security Integrity Level "SIS/SIL"
What is the Purdue Reference Model for CIM ?
Is there more than one kind of Enterprise Reference Architecture ?
Why is the PERA GERAM needed ?
What distinguishes PERA from other Enterprise Architectures and Methodologies ?
What is Fluor Daniel/PERA Engineering/Construction Methodology ?
Why use PERA Methodology ?
Has PERA been Peer Reviewed ?
Is Everything on this website part of PERA ?
Who developed the Purdue Reference Model for CIM ?
Who developed the PERA Master Planning Methodology ?
Are the Purdue Reference Model for CIM, and the PERA Master Planning Methodology Proprietary?
What is Operational Technology ( OT ) and is it the same as ACS?
What are ACS, IT, OT, and IoT and how do I use them?
What are CIAD and CIND Diagrams and how do I use them?

FAQs about Enterprise Integration Standards and Models

Why are Enterprise Integration Standards Important ?
How is PERA related to ISA ?
How is PERA related to ISO?
How is PERA related to CEN?
How is PERA related to IFAC/IFIP
How are ISO and CEN Enterprise Integration standards related ?
What is an Ontology?

Definition of Technical Terms

PERA Dictionary of Enterprise Integrataiony defines commonly encountered Technical Terms and Acronyms.

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