sna meaning

• [Computer]
  <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.

Examples

1. the sna has now done a follow-up
2. the study of knowledge flow in industrial cluster based on sna
3. an sna command used to request a break in data flow
4. sna system network architecture
5. sna : system network architecture