Submission doc.: IEEE 11-13/1453r0 November 2014 Norman Finn, Cisco SystemsSlide 1 Tag Stacking in existing links Date: Authors:

Submission doc.: IEEE 11-13/1453r0 November 2014 Norman Finn, Cisco SystemsSlide 2 Abstract Choices are presented for non ak tag stacking, in light of P802.11ak changes.

Submission doc.: IEEE 11-13/1453r0November 2014 Norman Finn, Cisco SystemsSlide 3 Testing 802.1Qbz consensus for LLC media First item of MSDU is LLC encoded If first item is a tag, all remaining items are Length/Type encoded

Submission doc.: IEEE 11-13/1453r0November 2014 Norman Finn, Cisco SystemsSlide 4 Possibilities for ak 1.Same as 802.1Q for LLC media First item of MSDU is LLC encoded If first item is a tag, all remaining items are Length/Type encoded 2.Same as 802.1Q for Length/Type media All items are Length/Type encoded (Of course, we also have to encode the selected / deselected destination list.)

Submission doc.: IEEE 11-13/1453r0November 2014 Norman Finn, Cisco SystemsSlide 5 Issues for current/future , NOT ak states clearly, and gives examples of an 802.1Q tag, using the “old” system: LLC-encoded Q-tag is followed by LLC-encoded data

Submission doc.: IEEE 11-13/1453r0November 2014 Norman Finn, Cisco SystemsSlide 6 Possibilities for current/future , NOT ak 1.Don’t touch All items are LLC encoded 2.Same as 802.1Qbz First item of MSDU is LLC encoded If first item is a tag, all remaining items are Length/Type encoded 3.Same as 802.1Q for LLC media, except First item of MSDU is LLC encoded If first item is a tag, all remaining items are Length/Type encoded Exception: 802.1Q tag shall be followed by one LLC