Dear Nathan and Chris,I'm not very sure about the viability of the solution that has been rolled out.
From what I understand, if Alice on Example.org using Client Y is seeking to communicate with Bob on Dukgo.com on Client Z, then for Bob's phone to support push messages with:
- XEP-0357, Dukgo.com and Client Z need to roll out support for XEP-0357.- Chatsecure Push Protocol, Client Y and Client Z need to roll out support for CPP.
Push is really needed only if you're using a mobile client, and specifically if you're using iOS (since on Android, it's never really been a problem). I'd argue it might be simpler to get the largest server instances (Dukgo.com, jabber.ccc.de, etc.) to support XEP-0357 and get people to use an XEP-0357 capable client on iOS (say Chatsecure and Monal) than to get all those who correspond with those clients to *also* support a special something like CPP.
Given that desktop clients like Pidgin have not been adding support for new features (even carbons!) for years, I doubt we'll ever get to a position where CPP would really work well.
Further, by pushing a non-standardized solution, one of two signals is being sent:
1. Chatsecure devs hope that its userbase ends up meaning other clients also adopt this. 2. Chatsecure devs don't really care who else adopts this, as this would primarily be used for Chatsecure-to-Chatsecure conversations.
I hope it is (1). While Conversations devs have rolled out new features (HTTP Upload, OMEMO), they've sought to work to standardize through the XSF by publishing draft XEPs.
While I like the ingenious and decentralized nature of the solution Chris has crafted (where the only servers that need to be involved are the push servers run by the client dev), I do hope you'll work to get it standardized and adopted by others. And I also hope Chatsecure (esp. for iOS) will add support for XEP-0357 too.
Also, I'd love to learn why you feel the other way, as I might well have misunderstood or missed something.
Regards, PraneshNathan of Guardian <[email protected]> [2016-04-18 09:13:42 -0400]:
If you haven't read it you should: https://chatsecure.org/blog/chatsecure-v32-push/ "With the release of ChatSecure iOS v3.2, we have enabled the first phase of a new form of push messaging that is decentralized, interoperable, and reduces identifiable metadata. Users of any app compatible with the ChatSecure Push protocol can send push messages across app boundaries, starting with the latest release of ChatSecure iOS and the next version of Zom Messenger. These push messages currently contain no content and are simply a way to wake up the receiving client for ~20 seconds." Important work by Chris and the ChatSecure team... having a privacy-preserving, decentralized push mechanism on iOS is both essential and cool. +n
-- Pranesh Prakash Policy Director, Centre for Internet and Society http://cis-india.org | tel:+91 80 40926283 sip:[email protected] | xmpp:[email protected] https://twitter.com/pranesh
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