There are four common structures for a SIAM ecosystem. The difference between each structure is the sourcing and configuration of the service integrator layer.

The structures are:

•Externally sourced

•Internally sourced


•Lead supplier

The customer organization will choose a structure based on factors including:

•Business requirements

•Internal capabilities (including maturity, resources and skills)

•Complexity of the customer’s services

•The customer’s organizational structure and size

•The legislative and regulatory environment

•Customer budget

•Current organizational maturity and capability in service integration and IT

•Appetite for external sourcing/loss of direct control

•Required timescales

•Appetite for ...

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