Mark Skilton    Copyright 2019  ©

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The Case For Interoperability

October 3, 2011

Financial Case (internal) for Interoperability

The core issue around interoperability

  • Cost of Integration

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    • You ask for 2, get 1, missing 1, pay for 4..

  • Market Effectiveness

    • Legislation, legality,

    • Access, channels

  • New delivery models

    • Catalogs

    • Lifecycles

 

 

Market Case (external) for Interoperability

  • Consumer choice

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  • Vendor market / product / services

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  • Trading price / Value / Quality / Choice

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Interoperability Enablers

  • APIs

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  • Services IOP

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  • Data Portability

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  • Security

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Operating Enablers

  • Security

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  • Quality

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  • Persistence e2e

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  • Performance e2e

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  • Repeatability e2e

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Interoperability Assurance

An aspect of most all systems is the level of homogeneity versus heterogeneity.  To what extend does the system run contiguously from one part or component of the system to another is very much a function of how that system components are constructed and how it worked within its own system domain of control and any other systems or subsystems and domains that it may interact with directly or indirectly.  These aspects are reflected in the topic of interoperability:

  • Symmetry

    • This is the degree of how symmetric or asymmetric a system is in the various dimensions of the system that represents its boundary of operation.  The symmetry in this context can be the way the topology of a system components are either loosely or tightly coupled together and to what degree of uniformity they exhibit across the system as measured by their specification or standards compliance. 

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  • Contiguity

    • The measure of how specific operations are made by and across the system. The level of contiguity is how well the system and its components may be easily associated with each other to perform part or all of the system operation.

    • The definitions of Contiguity in Wikipedia is - A contiguity is a continuous mass, or a series of things in contact or proximity. In a different meaning, contiguity is the state of being contiguous.[1] The concept was first set out in the Law of Contiguity, one of Aristotle's Laws of Association, which states that things which occur in proximity to each other in time or space are readily associated.

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  • N space Assurance

    • This is the level of connectivity between each system and its component and with other systems and components. This effect is most readily seen when swapping out and replacing in a new component which is required to be equivalent or the same component or system replacement.  The effect is also seen in composite systems that are made up of subsystems and many components which are brought together to create a whole system. The degree of assurance that N number of  components and /or systems can connect and work together as a whole in a specific location and arrangement.

    • Component composition

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    • Supplier composition

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Abstraction and encapsulation

“Proprietaryness”

Lifecycle     

 

 

 

Tenancy equivalence

 

 

Constructor equivalence

 

 

 

 

Operational perspectives

 

Portfolio Optimization

 

Efficiency

 

 

 

 

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