Upper Layer Protocol definition protocol
1. (ULP, or upper-layer protocol) Any protocol
residing in OSI
layers five or above.
protocol suite includes many upper layer protocols representing a wide variety of applications e.g. FTP
, and SMTP
. These and other network applications use the services of TCP/IP
and other lower layer protocols to provide users with basic network services.
2. A protocol higher in the OSI reference model than the current reference point. Upper Layer Protocol is often used to refer to the next-highest protocol in a particular protocol stack