[comp.dcom.lans] A refrence on "frame relays" and "spanning tree protocols"

lamb@saddle.UUCP (Could this be an anchovie) (12/13/90)

	Can anyone lead me to a refrence describing "frame relays"
and "spanning trees" with regard to thier implementations in 
routers, i.e., where do I find the algorithms so I can write some
code.
					Thanx
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