Historical
ANSI/IEEE 802.1s-2002
Standards for Local and Metropolitan Area Networks – Amendment to 802.1Q Virtual Bridged Local Area Networks: Multiple Spanning Trees
Extends the scope of 802.1Q to specify the use of multiple spanning trees, with data traffic allocated to spanning trees on the basis of the virtual local area networks (VLANs) to which data frames belong.
Institute of Electrical and Electronics Engineers [ieee]