(LLP, or lower-layer protocol) Any protocol residing in OSI layers one to four.
These protocols package, route, verify and transmit datagrams. A prime example would be TCP/IP. Lower layer protocols support the upper layer protocols.
[loh-er] /ˈloʊ ər/ noun, Nautical. 1. the lowermost spar of a compound mast, stepped in the hull of a vessel and carrying a topmast and any other upper spars.
[loh-er mer-ee-uh n] /ˈloʊ ər ˈmɛr i ən/ noun 1. a town in SE Pennsylvania, near Philadelphia.
[loh-er] /ˈloʊ ər/ noun 1. the southern part of Michigan, S of the Strait of Mackinac.
- Lower mordent
noun 1. another term for mordent