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Date: Wed, 16 May 2012 10:37:32 -0700 (PDT)
From: Amir Taaki <zgenjix@yahoo.com>
To: "bitcoin-development@lists.sourceforge.net"
	<bitcoin-development@lists.sourceforge.net>
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Subject: Re: [Bitcoin-development] BIP 33 - Stratized Nodes
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Reply-To: Amir Taaki <zgenjix@yahoo.com>

> 1) This is cool and useful (but see 3)=0A=0A> 2) This is significantly le=
ss secure than validating an entire blockchain; it's certainly worth workin=
g out some use cases here in more detail than just a sample conversation. M=
ore on this below=0A> 3) What about discovery? Will a client now have the c=
hance to look for NODE_STRATIZED clients on IRC? How do you envision a stra=
tized server decides which transactions to relay/store? Or is it just a cac=
hing layer in front of a high quality blockchain service? If it is just a c=
aching service, the question of cache hits / misses is an interesting one a=
s well.=A0=0A=0AStratized nodes do discovery as normal. Service nodes are e=
xplicitly chosen like IRC servers are for IRC clients.=0A=0A=0A> 4) What ar=
e the economic motivations to run a stratized server? Other than cheating p=
eople of course.=0A=0ANone. Same as BitTorrent super-nodes, Tor relays or e=
mail servers. People don't need economic motivation for everything.=0A=0A=
=0A> 5) Seems like a 'send me everything for this source address' is going =
to save a lot of roundtrip conversations for what I imagine the most common=
 request will be.=0A=0AThat's a bad idea. I prefer to keep each request min=
imal to prevent resource starvation and simplify the protocol (while shifti=
ng the onus onto the client). Also the history can be resolved with multipl=
e services while the data is being downloaded and sorted.