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Scalability references the ability of edge computing to handle growing resource requirements as new use cases are onboarded, as well as the scaling of existing use cases across a facility.
Scalability can be appraised based on four criteria, as shown in the following figure.
Compute and storage resources are appraised within the current server infrastructure for scalability to meet the growing resource requirements during the smart manufacturing journey. This appraisal is critical for strategic facilitators when conceptualizing edge computing based on overall enterprise strategy. For example, a strategy is necessary to plan for retaining data as the volume grows, for regulatory reasons.
Application extensibility focuses on appraising the extension of application functionality to accommodate one or more use cases, and the level of effort that is needed onboard them. Applications can reside anywhere in a multicloud environment.
Workload balancing appraises the compute and storage resource management in a multicloud environment where workload mobility takes precedence when onboarding new use cases. This is also true when use cases require applications to be integrated across multicloud environment.
System reliability is appraised for how well the applications, compute and storage resources, and network infrastructure satisfies high availability and performance requirements for a new use case.