e/UPC and NPC

Information
has gloss	eng: In electronic digital data transmission systems, Usage Parameter Control (UPC) and Network Parameter Control (NPC) are functions which protect the Asynchronous Transfer Mode (ATM) network resources from malicious connections, and enforce the compliance of every connection to its negotiated traffic contract. UPC and NPC are also known as traffic policing.
lexicalization	eng: UPC and NPC
instance of	c/Packets (information technology)