Chemical Engineering May 2023 - 37

The Open Group
ecosystem for OPA is depicted in
terms of stakeholder roles in Figure 2.
The rectangles in Figure 2 depict
FIGURE 1. The OPA reference architecture is shown here
Node profiles; (2) O-PAS Connectivity
Framework (OCF) for networking
and data communications; and (3)
Advanced Compute Platform (ACP),
an on-premise, low-latency, highavailability
compute platform with
greater CPU and memory resources
than typical DCNs.
Industry standard. O-PAS is a
" standard of standards, " meaning
that existing industry standards are
referenced when they are fit-for-purpose.
Only if no standard is available
or suitable is new standard development
undertaken. Table 1 lists the
O-PAS Part documents and referenced
standards.
Business ecosystem. The business
roles, not companies. A company
can play multiple roles in the ecosystem.
The blue lines symbolize contractual
relationships and loose, cohesive
couplings between modules
based on open standards.
Conformance certification. O-PAS
specifies conformance requirements
(normative " shall " statements) that
are organized into collections called
profiles. An O-PAS product is a hardware
or software module consisting
of one or more profiles. Particularly
for the benefit of suppliers, policies
for product conformance certification
are specified by OPAF in the
O-PAS Certification Policy [3].
The Open Group is the O-PAS
Certification Authority. O-PAS conformance
verification testing will be
performed by several independent
third-party organizations, such as
the OPC Foundation, the ISA Security
Compliance Institute, and others.
The profiles that are included in
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CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM MAY 2023
37

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Chemical Engineering May 2023

Table of Contents for the Digital Edition of Chemical Engineering May 2023

Chemical Engineering May 2023 - Intro
Chemical Engineering May 2023 - Cover1
Chemical Engineering May 2023 - Cover2
Chemical Engineering May 2023 - 1
Chemical Engineering May 2023 - 2
Chemical Engineering May 2023 - 3
Chemical Engineering May 2023 - 4
Chemical Engineering May 2023 - 5
Chemical Engineering May 2023 - 6
Chemical Engineering May 2023 - 7
Chemical Engineering May 2023 - 8
Chemical Engineering May 2023 - 9
Chemical Engineering May 2023 - 10
Chemical Engineering May 2023 - 11
Chemical Engineering May 2023 - 12
Chemical Engineering May 2023 - 13
Chemical Engineering May 2023 - 14
Chemical Engineering May 2023 - 15
Chemical Engineering May 2023 - 16
Chemical Engineering May 2023 - 17
Chemical Engineering May 2023 - 18
Chemical Engineering May 2023 - 19
Chemical Engineering May 2023 - 20
Chemical Engineering May 2023 - 21
Chemical Engineering May 2023 - 22
Chemical Engineering May 2023 - 23
Chemical Engineering May 2023 - 24
Chemical Engineering May 2023 - 25
Chemical Engineering May 2023 - 26
Chemical Engineering May 2023 - 27
Chemical Engineering May 2023 - 28
Chemical Engineering May 2023 - 29
Chemical Engineering May 2023 - 30
Chemical Engineering May 2023 - 31
Chemical Engineering May 2023 - 32
Chemical Engineering May 2023 - 33
Chemical Engineering May 2023 - 34
Chemical Engineering May 2023 - 35
Chemical Engineering May 2023 - 36
Chemical Engineering May 2023 - 37
Chemical Engineering May 2023 - 38
Chemical Engineering May 2023 - 39
Chemical Engineering May 2023 - 40
Chemical Engineering May 2023 - 41
Chemical Engineering May 2023 - 42
Chemical Engineering May 2023 - 43
Chemical Engineering May 2023 - 44
Chemical Engineering May 2023 - 45
Chemical Engineering May 2023 - 46
Chemical Engineering May 2023 - 47
Chemical Engineering May 2023 - 48
Chemical Engineering May 2023 - 49
Chemical Engineering May 2023 - 50
Chemical Engineering May 2023 - 51
Chemical Engineering May 2023 - 52
Chemical Engineering May 2023 - 53
Chemical Engineering May 2023 - 54
Chemical Engineering May 2023 - 55
Chemical Engineering May 2023 - 56
Chemical Engineering May 2023 - Cover3
Chemical Engineering May 2023 - Cover4
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