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Gateways should be deployed as a combination of physical and logical components and capabilities that operate collectively as a single integrated solution. Monolithic gateways, such as Secure Internet Gateways (SIGs), provide all gateway security functions through one centrally managed system. A disaggregated gateway provides service-specific gateway functions through discrete but interoperable systems which do not share a common control plane. A hybrid gateway provides all required gateway services through a mixture of central and disaggregated service offerings and control planes.