Software-defined networking (SDN) is the decoupling of the network control logic from the devices performing the function, such as routers, which control the movement of information in the underlying network. This approach simplifies the management of infrastructure, which may be specific to one organization or partitioned to be shared among several. SDN features controllers that overlay above the network hardware in the… Read more »
Monthly Archives:: February 2023
CompTIA NET+ | Dynamic Host Configuration Protocol (DHCP)
Dynamic Host Configuration Protocol (DHCP) Dynamic Host Configuration Protocol (DHCP) is a client/server protocol that automatically provides an Internet Protocol (IP) host with its IP address and other related configuration information such as the subnet mask and default gateway. In DHCP, port number 67 is used for the server and 68 is used for the… Read more »
CompTIA NET+ | Generic Routing Encapsulation (GRE)
CompTIA NET+ | Generic Routing Encapsulation (GRE) Generic Routing Encapsulation (GRE) is a routing protocol developed by Cisco Systems in 1994 that allows a wide range of network-layer protocols to be contained inside virtual point-to-point or point-to multipoint links over an Internet Protocol network. Protocol encapsulation, not GRE specifically, breaks the layering sequence, according to… Read more »
