encapsulation

HDLC was derived from Synchronous Data Link Control ( SDLC). It is the default encapsulation type on point-to-point dedicated links and circuit-switched connections between Cisco routers. It is an ISO-standard bit-oriented data-link protocol that encapsulates data on synchronous links. HDLC is a connection-oriented protocol that has very little ...

Tunneling is the most significant component of VPN technology.  Tunneling is the technique of encapsulating an entire data packet in the packet of another protocol format. When a tunneled packet is routed to the destination node, it travels across the internet work through a logical path. This logical path is referred ...