e/Coloured Book protocols

Information
has gloss	eng: The Coloured Book protocols were a set computer network protocols used on the SERCnet and JANET X.25 packet-switched academic networks in the United Kingdom between 1980 and 1992. The name originated with each protocol being identified by the colour of the cover of its specification document.
lexicalization	eng: Coloured Book protocols
instance of	(noun) a computer network that spans a wider area than does a local area network WAN, wide area network