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Tuning AppScore

The AppScore scoring can be tuned to suit the project objectives and scenario

How To


AppScore can be tuned to reflect different transformation scenarios, required benefits, constraints and other criteria that are driving a transformation project.

Tuning should be done as early as possible and reviewed and “fine-tuned” once server and application data have been captured.

Areas to review

There are 3 areas that need to be reviewed and tuned if needed






Data Point File

The Data Point File (DP File) is a CSV file that is used to create, and remove questions and adjust the scores and weighting for each question.

Range Calculation File

The Range Calculation File (RC File) is used to adjust the scores and weighting for server data.

Data Centre Screen

Scores and weighting for individual Data Centres are adjusted in the Data Centre screen within the settings.

Scoring Scenarios

Once the required questions, answers and scores have been entered into the files and DC screen the scores and weightings should be reviewed and adjusted where needed for the specific transformation project.

In most cases, weightings should be the only column that is required to be adjusted during tuning. Changes to scores are not usually necessary.

Some scenarios that the DP File may need to be adjusted to in order to reflect a specific scenario are as follows:






SOX and other compliance

Increase risk weighting for compliance questions (DP File)

Recognise risk when transforming external facing/customer applications

Increase risk weighting for externally facing applications (DP File)

Legacy Application providers or support teams are no longer available

Increase risk and complexity for application vendor type (DP File)

Transform where possible to gain benefits of cloud features

Increase benefit weightings against application profile questions e.g. flat, spikes etc

Increase benefit weighting for dev and test environments usage

(DP File)

Move off existing application platform (e.g. Citrix)

Increase benefit weighting for current delivery model (DP File)

Data Centre Exit

Increase benefit weightings for DC (DC Screen)

Technical Debt Reduction

Increase benefit and complexity weightings for unsupported OS and DB (RC File)

Tuning the Data Point File

The following highlighted columns are used to tune the DP File:

Tuning Data Point File

The columns are modified in the following way:




How to use



Include a weighting for Risk, Complexity and Benefit by using the relevant prefix followed by a weighting. Multiple category weightings can be used. E.g. R25C30B5. The weighting should be between 1 -100.

The same weighting should be applied to all answers to a question.

If an existing weighting needs to be removed a 0 should be put in to overwrite the existing value.

The weighting value applies to both the CSA and 7r scores

CSA scores

The categories that have a value in the weighting column should be scored out of 10 using the relevant category prefix (R.B, C)

Multiple categories can be scored. E.g. R8C3.

7r score columns


The categories that have a value in the weighting column should be scored out of 100 using the relevant category prefix (R.B,C)

Multiple categories can be scored. E.g. R8C3.

Tuning the Range Calculation File

The RC File is used to adjust the scores and weighting of pre-selected server data. The following highlighted columns are used to tune the scoring:

Data Point File Tuning


The columns are used in the same way as the DP File.

Tuning the Data Centre Screen

In some scenarios such as a DC exit, it might be necessary to reflect an application's primary DC with more impact on the overall scoring. This can be achieved using the DC scoring on the DC screen.

Once the DCs have been created the scores and weightings can be added as required. The weightings and scores should be configured in the same was as the DP and RC file as illustrated in the figure below:


Data Centre Settings

To contact AppScore sales or support for any reason at all, simply email help@appscore.net and one of the team will get back to you. If your issue is urgent, please mark the email as URGENT in the subject line.