p2psp team mailing list archive

[Vicente Gonzalez <vicente.gonzalez.ruiz@xxxxxxxxx>]

Hi IIshat!

2015-03-19 13:58 GMT+01:00 Ilshat Shakirov <im.shakirov@xxxxxxxxx>:

> Well, the output seems to be OK, but I cannot see the list of peers.
>
> I have prepared new log file -
> https://www.dropbox.com/s/888pro42z02r8ww/log_50peers_buffers_peerlist.txt?dl=0
>
> Could you please tell me more about an order in which peers must send
> chunks? In peersim implementation it simply round robin, i.e. if peer have
> peers number 4,2,1, he will send chunks in the same order (splitter will do
> the same).
>

Yes, you are using the right scheduling algorithm (Round-robin). No problem
about that. I don't know the procedure you are using to add peers to a team
(how the peers contact the splitter, receives the list of peers of the
splitter and send the [hello] message to the peers that are in the list),
but I suppose that this procedure is similar to one used in a real team. If
this is true, the order in which the peers are in the list of peers of most
of the peers of the team is almost the same. For example, in the simulation
output you have sent, most peers (at least at the beginning of the
simulation) has the peer 34 in the first entry of their lists. This means
that if the peer 34 were the trusted peer, the attacker would send only one
poisoned chunk before it is reported. For this reason, I think that the
order of the peers in the lists should have some influence in the average
number of poisoned chunks.


>
> ps Should I prepare the guide, how to perform experiments with
> p2psp-peersim? And what experiments should be performed (what parameters
> should I use?).
>

An accurate P2PSP simulator is very interesting for researching the
performance of the P2PSP. Any kind of advance/facility in this direction is
really appreciated :-)

Thanks!

Vi.
-- 
Vicente González Ruiz
Depto de Informática
Escuela Técnica Superior de Ingeniería
Universidad de Almería

Carretera Sacramento S/N
04120, La Cañada de San Urbano
Almería, España

e-mail: vruiz@xxxxxx
http://www.ual.es/~vruiz
tel: +34 950 015711
fax: +34 950 015486