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Will we use tokens or not?

In the email discussion about RPR Vs Ethernet positioning, Yong had made the claim that RPR does not use tokens. I would like to get a clarification on this.

There are two types of tokens in a ring architecture. One is used as a "ring master" which grants the permission for a node to transmit. Clearly, RPR will not have such a token since the whole idea of spatial reuse is that more than one node can transmit at the same time.

There is a second type of a token, a "control token" which is passed between the ring nodes carrying all sorts of control information (health, BW demands, and so forth). Are we saying that we won't have such a token in RPR? If so, and being a new comer, I would appreciate getting a pointer to any previous contribution to the group discussing this issue (or one which documents this decision).

Thanks,

Offer Pazy
Sr. Product Manager
Native Networks

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