You need 57,142.857 nodes to route 20M of peer traffic. This is the
algorithm we used in fasttrack and is the same as in skype. This is a
maximum capacity scenario.
Sent from my iPhone
On Mar 15, 2010, at 6:32 PM, Bruce Lowekamp <[email protected]> wrote:
They scale fine, but there is a point beyond which adding additional
peers to the overlay routing merely adds latency. Don't have time
to look up the references now, but there are a number of papers
discussing the advantages of different numbers of peers (superpeers
in a lot of systems) needed for overlay routing. You don't need 10M.
Bruce
On Mon, Mar 15, 2010 at 11:55 AM, jc <[email protected]> wrote:
On Mar 15, 2010, at 3:32 PM, Bruce Lowekamp wrote:
The performance comparison draft compares the performance of a
centralized lookup server with a P2P DHT system with 10M peers.
Since those address entirely different use cases, and no one would
ever deploy a 10M peer distributed tracker, it's not clear what the
point of the comparison is. This has nothing to do with RELOAD.
There are active distributed trackers w/ > 1M peers. Why would you
not deploy a 10M user distributed tracker? They do inherently scale
infinitely by nature.
Bruce
On Mon, Mar 15, 2010 at 12:55 AM, World <[email protected]>
wrote:
Dear all,
I am thinking what P2P Live Streaming and VoD Service can leverage
P2PSIP RELOAD. According to some research or proposal report, it
seems that P2PSIP RELOAD can be used in P2P-based Tracker and/or
chunk description distribution (chunk discovery) at the full
distributed deployment. Both P2P-based Tracker and chunk
description distribution over P2PSIP overlay were evaluated in
performance referred to draft-chen-ppsp-dht-chunk-discovery-
evaluation-00.txt and draft-hu-ppsp-tracker-dht-performance-
comparison-01.txt. The result showed the performance of DHT-based
Tracker and chunk description distribution is worse, even not
acceptable for P2P Live Streaming and VoD Service.
So can we make such conclusion that P2PSIP RELOAD is not suitable
to be leverage for both P2P Live Streaming and VoD Service in case
a full distributed deployment is not mandatory? What do you think?
Any comments are welcome. Thanks.
BR,
Jeffrey
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