DEFINITION: Application Service ABB is a Technology Service enabling hosting provider, typically a high availability and high performance hosting infrastructure that is being comprised, among other elements, of back-end web server instances and application servers for hosting and serving both static and dynamic sites. Source: DIGIT C Infrastructure Services Provision (http://ec.europa.eu/ipg/build/infrastructure/index_en.htm) INTEROPERABILITY SALIENCY: IoP Dimension: Behavioural IoP The Application Service ABB is salient for technical interoperability because it provides all the functionalities to host the Interoperable European Solutions (high availability and high performance hosting infrastructure). EXAMPLES: The following implementation is an example on how this specific Architecture Building Block (ABB) can be instantiated as a Solution Building Block (SBB): DIGIT/C Hosting Service DIGIT/C offers a high availability and high performance hosting infrastructure that is being comprised, among other elements, of back-end web server instances and application servers for hosting and serving both static and dynamic sites. Source: (http://ec.europa.eu/ipg/build/infrastructure/index_en.htm)