- From: Rob van Eijk <rob@blaeu.com>
- Date: Wed, 29 Oct 2014 14:44:06 +0100
- To: Shane M Wiley <wileys@yahoo-inc.com>
- Cc: TOUBIANA Vincent <vtoubiana@cnil.fr>, Tracking Protection Working Group <public-tracking@w3.org>
From what I understand, the URL is an optional field in Bid Requests in most RTB-protocols. In my view RTB-protocols should innovate to adapt to DNT, not the other way around. Rob Shane M Wiley schreef op 2014-10-24 00:33: > Vincent, > > Some bidders may only be contextually targeting information (not > cross-site or "different context") and will need to the URL to > determine content on the page. > > - Shane > > FROM: TOUBIANA Vincent [mailto:vtoubiana@cnil.fr] > SENT: Thursday, October 23, 2014 3:26 PM > TO: Shane M Wiley; Tracking Protection Working Group > SUBJECT: RE: Indirect DNT Processing (Proposed) > > Shane, > > My idea was to keep it as a one step process where the bid request > would only contain the UID and only the win notice would contain the > URL. I still don't understand how the ADX can broadcast (URL,UDI) in > the bid request without violating the "Third party compliance" > requirement to not share data > (http://www.w3.org/2011/tracking-protection/drafts/tracking-compliance.html#third-party-compliance > [1]). Sending only the UID could solve this problem. > > That being said, a two step process would actually work very well. > Especially, if UGE status are directly reported in the "matching > tables" hosted by the ad-exchange; in that case the "additional step" > would have no impact at all on the transaction latency. > > Vincent > > -----Original Message----- > From: Shane M Wiley [mailto:wileys@yahoo-inc.com] > Sent: Thu 10/23/2014 8:23 PM > To: TOUBIANA Vincent; Tracking Protection Working Group > Subject: RE: Indirect DNT Processing (Proposed) > > Vincent, > > The Bid occurs in a single pass so all relevant information is passed > as part of the "offer to bid" transaction (URL, UID) the bidder would > then check their UGE records for that particular UID to then determine > if leveraging profile information would be possible in this > transaction. Attempting to make this a "two-step" process would slow > down the transaction too much in a world where Ad Exchanges already > struggle to meet SLAs with a single call structure. > > - Shane > > From: TOUBIANA Vincent [mailto:vtoubiana@cnil.fr] > Sent: Thursday, October 23, 2014 2:29 AM > To: Shane M Wiley; Tracking Protection Working Group > Subject: RE: Indirect DNT Processing (Proposed) > > Shane, > > I have a clarifying question. In the precise case of RTB, when DNT is > set, is it possible to only include in the Bid Request information > about the user (i.e. the user id) but not about the current network > transaction (i.e. no information related to the visited website)? That > would allow website to check that they have a UGE before bidding, > information about the visited website would then be only transmitted > to the winning bidder. > > This option would still allow RTB to take place while preventing > information about a network transaction to be shared with third > parties. > > Vincent > > De : Shane M Wiley [mailto:wileys@yahoo-inc.com] > Envoyé : mercredi 15 octobre 2014 17:33 > À : 'Tracking Protection Working Group' > Objet : Indirect DNT Processing (Proposed) > > TPWG, > > I was asked to develop language for consideration of how to manage > DNT signals within Real-Time Bidding (RTB) environments such as an Ad > Exchange. I've up-leveled the concept to "Indirect DNT Processing" to > cover scenarios where a user's signal may move from a direct client > interaction to one between servers (server-to-server). > > [Normative] > For Servers in direct communication with the User Agent that then > communicate further with other parties within the same transaction but > outside direct communication with the User Agent, those Servers MUST > convey the current DNT flag relayed to their domain to those other > parties. In cases where other parties have recent knowledge of their > own domain's DNT flag or UGE MAY process the request leveraging that > information but MUST respond appropriately in the status response that > they have done so - which, in turn, MUST then be conveyed by the > Server to the User Agent. > > [Non-Normative] > This is intended to facilitate indirect communications through a > transitive passing of permission to allow for DNT processing to occur > even when a processor doesn't have direct access to the User Agent. If > the processor has direct information about their own domain's DNT > setting with the User Agent, such as their last direct interaction > with the User Agent, they may want to consider this in their > transaction handling. > > Question - While from a policy perspective the passage of the STATUS > RESPONSE value makes sense I'm not sure if this works as cleanly with > the current TPE handling of those statuses. Should we add a new > flag/field to state a response is being conveyed from another party as > to not confuse the User Agent into thinking the response is coming > from the server in which it is in direct communication? > > - Shane > > Links: > ------ > [1] > http://www.w3.org/2011/tracking-protection/drafts/tracking-compliance.html#third-party-compliance
Received on Wednesday, 29 October 2014 13:44:39 UTC