Grading &
Scoring System
Data Center Grading System
Grade Levels (Gs®) are IDCA’s method of cloud, IT, application, infrastructure, and data center classification at different Application Ecosystem (AE)® layers of Topology, Site, Site Facility Infrastructure, Information Technology Infrastructure (ITI), Data Center Node (DCN), Compute, Platform, and Application. Gs® range from G4® to G0®, with G4® representing the lowest rating, possessing the minimum values and maximum allowable levels of vulnerabilities such as chances of failure, security risks, inefficiencies, operational lags, capacity insufficiencies, and lack of resilience. Progressing upward, each Grade Level signifies fewer risks and stronger performance. For an individual Data Center Node, the highest achievable rating is G1®, representing near-complete elimination of vulnerabilities. G0®, however, can only be achieved across a topology of data centers, practically mandating total elimination of such vulnerabilities at scale. Grade Levels are not to be confused with data center Tiers, Ratings, or Classes, as their view, scope, and coverage of the physical data center are fundamentally different from IDCA Grade Levels.
Grade Level 0
Grade Level 0 (G0®) is the highest level of achievement but can only be attained by an Application Ecosystem®, and individually at the Application, Platform, Compute, and Topology layers. It signifies the absolute minimum levels of risk, insecurities, inefficiencies, vulnerabilities, and chances of failure across the interconnected ecosystem.
Grade Level 1
Grade Level 1 (G1®) is an exceptional level of achievement when awarded to any Application, Platform, Compute, ITI, SFI, Site, or Topology layers. It also represents the lowest levels of risk, insecurities, inefficiencies, vulnerabilities, and chances of failure that can be achieved within a single Data Center Node (DCN). G1® is therefore the highest attainable Grade Level a Data Center Node can achieve.
Grade Level 2
Grade Level 2 (G2®) is an excellent level of achievement when awarded to any Application, Platform, Compute, ITI, SFI, Site or Topology layers. G2® represents a low exposure to risks, insecurities, inefficiencies, vulnerabilities, and chances of failure.
Grade Level 3
Grade Level 3 (G3®) is the average level of achievement when awarded to any Application, Platform, Compute, ITI, SFI, Site or Topology layers. G3® represents an average exposure to risks, insecurities, inefficiencies, vulnerabilities, and chances of failure.
Grade Level 4
Grade Level 4 (G4®) is the lowest level of achievement when awarded to any Application, Platform, Compute, ITI, SFI, Site, or Topology layers. G4® represents the highest allowable levels of risk, the highest acceptable level of insecurities, inefficiencies, vulnerabilities, and chances of failure.
Efficacy Score Rating (ESR®)
The Efficacy Score Rating (ESR®) is the aggregated scoring metric used to evaluate Application Ecosystem® performance for evaluating and comparing the performance of a system, design, service, AE layer or the entirety of the AE. It is an aggregated value derived from an algorithmic evaluation of the results of each layer’s Grade Level performance, as well as the results of each efficacy. This scoring methodology takes into account the inherent effect of interdependencies across designs, policies, components, services, and layers and efficacies where it applies weightings to favor functions that are more central to supporting the AE.
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