For tools that have a two-way integration to the Now Platform, alignment to the
CSDM is akin to semantic interoperability – it makes it possible to pass data back
from the EA tool to the Now Platform to update records and request changes. For
example, a strategic decision to retire an application could be passed back to
the Strategic Portfolio Management product as a demand for action to remove
the application from the landscape.
What is in the ArchiMate Model?
The model contains elements from CSDM4.0 (objects with a C prefix in Figure 2).
The model also contains some additional elements; while these are not explicitly
named in the CSDM4.0, they do in some cases align to tables in the Now Platform
that can be used for data integration purposes. These elements serve to connect
the objects from the IT and Data architecture layers that are the primary concern
of the Now Platform with objects from the Motivation and Business layers that
define the unique character and purpose of the organisation being modelled.
For example, The Now Platform will certainly contain data describing the things
that exist within the organisation - the applications, data flows, and the services
being offered, and so on - but it might not contain data that describe intangible
concepts, and plans for the future, such as the drivers and goals that are
motivating the need for a transformation programme, or options to consider in the
To Be state. These elements are not routinely stored on the Now Platform, but you
may want to enter them into the EA repository so that they can be incorporated
into useful artefacts.
When used together, the objects in the CSDM and the extended metamodel will
help to align the layers of the Enterprise Architecture, particularly during digital
transformation, ensuring that the IT elements will serve the business needs.
How can I use this Mapping?
The mapping shown in Figure 2 can be used in its entirety as a metamodel within
your Enterprise Architecture if required, or parts of it could also be used to
supplement or extend your current metamodel.
If your organisation already has a metamodel; specific definitions that it has
adopted; or if it has different elements in its metamodel, then feel free to adapt
the material in this document to fit your needs.
Please remember, however: each object in the CSDM is defined (see the
CSDM4.0 White Paper), and these definitions span the ServiceNow product
portfolio and the Now Platform. As a result, the closer your organisation’s data
model is to the CSDM, the easier it will be to manage your data in the ServiceNow
instance, to maintain your repository if you are using an integrated EA tool, and to
upgrade your instance to the latest ServiceNow releases.