4 Cross-Cutting Requirements
The cross-cutting requirements described in this section are an extension of the cross-cutting requirements defined in the Architecture specification and Security requirements. This section will highlight important requirements or describe any additional cross-cutting requirements that apply to this building block.
Secure ingress and Egress access mechanisms (Information Mediator and api gateway)
Egress, in the world of networking, implies traffic that exits an entity or a network boundary, while Ingress is traffic that enters the boundary of a network. In the cloud, Ingress means something slightly different. Private networks here refers to resources inside the network boundary of a data center or cloud environment and its IP space is completely under the control of an entity who operates it.
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