Date: Thu, 22 Feb 2018 14:25:56 +0100 From: Dave Cottlehuber <dch@skunkwerks.at> To: freebsd-current@freebsd.org Subject: Re: P2P core/daemon in Base? Message-ID: <1519305956.3128800.1279637856.74E007EC@webmail.messagingengine.com> In-Reply-To: <20180222025158.dqookgcvscyihyeb@privacychain.ch> References: <20180222025158.dqookgcvscyihyeb@privacychain.ch>
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On Thu, 22 Feb 2018, at 03:51, Le Baron d=E2=80=99Merde wrote: > Dear Fellows, >=20 > Nothing new and probably will not be implemented, specially by me who=20 > can't write code, but I am sharing this idea anyway. >=20 > The point would be to have a P2P core/daemon in Base with some API to be= =20 > used by clients, including pkg, freebsd-update, and portsnap becoming=20 > P2P based/capable, and would also allowing any user that desire to=20 > become a FreeBSD mirror[1]. What would reduce the load on the FreeBSD=20 > infrastructure. At present if nobody's downloading 11.1R.txz then there's no load to the mi= rrors. Most P2P implementations require some form of seed node that keeps t= rack of active peers & blocks, so it's not quite a free lunch. I've an incomplete erlang-based version of https://tools.ietf.org/html/rfc7= 574 called PPSP (Peer-to-Peer Streaming Protocol), and I always felt a C or rust-based implementation of it would be a great addition to FreeBSD whethe= r ports or base. PPSP is a multi-peer streaming mix of: - merkle tree across arbitrary blocks of data - lightweight 'torrent-ish' UDP protocol for requesting and sharing blocks - optional live-streaming (i.e. stream starts before full data is available) - optional cryptographic signatures For example, I'd love to be able to "zfs send" via a multipeer protocol and= have it Do The Right Thing in transferring this to multiple "zfs recv" pee= rs, or have our custom pkg repo pull stuff off the adjacent servers rather = than stumble across the Pacific Ocean for the data. [Yes I'm aware pkg can be cached already]. If somebody is interested in working on this please get in touch, I would p= ut some funds in and can offer some context on the spec as I was involved in it. Also, if it's something the FreeBSD Foundation might consider jointly suppo= rting, I would help with the paperwork & submission. A+ Dave =E2=80=94 Dave Cottlehuber +43 67 67 22 44 78 Managing Director Skunkwerks, GmbH http://skunkwerks.at/ ATU70126204 Firmenbuch 410811i
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