Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com
	designates 209.85.223.180 as permitted sender)
	client-ip=209.85.223.180; envelope-from=laanwj@gmail.com;
	helo=mail-ie0-f180.google.com; 
MIME-Version: 1.0
In-Reply-To: <CAJHLa0NQJCH_J6wOLHKyyG4au4WT7Dviz-xXc33XkZEaYCaBuQ@mail.gmail.com>
References: <CAJHLa0Ok6s5xQcMSeLa69adLBXEaicuXqcg45eZrwYtVFbx-dA@mail.gmail.com>
	<CANEZrP2wYcxJhxRRa86Nm9ENtK2SA5VNG-L7f5pHb_W=Ajcj5Q@mail.gmail.com>
	<CA+s+GJD+9qpwFcVfHOCCsFYjmk7A0V=65vG-7jJ6D7jj4Pi_7g@mail.gmail.com>
	<CANEZrP245242JYDBBo72XVmKgEBO96QPjcJi8Jy2Dm_r90n1Bw@mail.gmail.com>
	<CAJHLa0N3xx1QZ==iSLYNsdgkBGoqN34+4eVtukkjn+3SrDhC7A@mail.gmail.com>
	<CANEZrP1mhSodC-ZvkuVKAgHO44bM7QX=RivRDhnDeHOKr8PXqQ@mail.gmail.com>
	<CA+s+GJCbCRQP_w3g-0qtA6K8qrf6ywNfJ9d1367gSTfgCwgU2Q@mail.gmail.com>
	<CAJHLa0NQJCH_J6wOLHKyyG4au4WT7Dviz-xXc33XkZEaYCaBuQ@mail.gmail.com>
Date: Fri, 8 Aug 2014 14:15:09 +0200
Message-ID: <CA+s+GJCdnHeSRWnmiBG+JHJDUwKRpKfaSDwu24kMp9WEQCNa1A@mail.gmail.com>
From: Wladimir <laanwj@gmail.com>
To: Jeff Garzik <jgarzik@bitpay.com>
Content-Type: text/plain; charset=UTF-8
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] NODE_EXT_SERVICES and advertising related
	services
Precedence: list

> Generally agreed, though for ZMQ it is a bit different than a P2P service.
>
> IMO, ZMQ really wants to be a plug-in that registers some internal
> signals.  It wants to capture the precise points where a block was
> accepted internally.  PR #4599 tries to lead by example:
> https://github.com/bitcoin/bitcoin/pull/4599
>
> A P2P service would be a slightly different sort of plug-in.

ZeroMQ is just a lightweight message routing system. It could just as
well make P2P messages available to other applications (if they
subscribe to them). The other way around, routing messages from ZeroMQ
to certain P2P clients, is easy.

Wladimir