< networking > (SNA) IBM 's proprietary high level networking protocol standard , used by IBM and IBM compatible mainframes .
Also referred to as "Blue Glue", SNA is a bletcherous protocol once widely favoured at commercial shops. The official IBM definition is "that which binds blue boxes together." It may be relevant that Blue Glue is also a 3M product commonly used to hold down carpets in dinosaur pens .
[ Jargon File ]
(1994-11-23)