Network Service a capability that facilitates a network operation. It typically is provided by a server (which can be running one or more services), based on network protocols running at the application layer in the Open Systems Interconnection (OSI) model of the network . Some examples are domain name system (DNS) , dynamic host configuration protocol (DHCP) , voice over internet protocol (VoIP) , etc. As defined by Network Functions Virtualization (NFV) ETSI Industry Specification Group (ISG) in the Network Functions Virtualisation (NFV); Terminology for Main Concepts in NFV , a network service is a composition of network functions and defined by its functional and behavioral specification. Computer Network Services and Solutions Routing & Switching Utilizing the latest in Cisco technology. Utilize VLAN’s ...
