[Ninux-Wireless] tinc CPU optimization
Darkman
darkman a darkman.it
Dom 3 Lug 2011 14:18:07 CEST
Bene, ora puoi ripetere le prove cambiando l'algoritmo di controllo di
congestione sul client iperf.
Cosa stai usando ora? Reno?
Il giorno 03 luglio 2011 14:09, Gioacchino Mazzurco
<gmazzurco89 a gmail.com>ha scritto:
> altri test fissando la quantita'
>
> [ 4] 0.0-62.2 sec 2.00 MBytes 270 Kbits/sec
> [ 4] 0.0-55.3 sec 2.00 MBytes 304 Kbits/sec
> [ 4] 0.0-64.2 sec 2.00 MBytes 261 Kbits/sec
> [ 4] 0.0-58.8 sec 2.00 MBytes 285 Kbits/sec
> [ 4] 0.0-99.6 sec 2.00 MBytes 169 Kbits/sec
> [ 4] 0.0-96.4 sec 2.00 MBytes 174 Kbits/sec
> [ 4] 0.0-89.8 sec 2.00 MBytes 187 Kbits/sec
> [ 4] 0.0-66.4 sec 2.00 MBytes 253 Kbits/sec
> [ 4] 0.0-99.9 sec 2.00 MBytes 161 Kbits/sec
> [ 4] 0.0-88.1 sec 2.00 MBytes 190 Kbits/sec
>
>
> Il 03 luglio 2011 13:57, Gioacchino Mazzurco <gmazzurco89 a gmail.com> ha
> scritto:
> > senza tinc la configurazione rimane uguale ma il traffico al posto di
> > passare dal tunnel via internet passa solo attraverso i link wireless
> >
> > Il 03 luglio 2011 13:51, Antonio Quartulli <ordex a autistici.org> ha
> scritto:
> >> On dom, lug 03, 2011 at 01:48:37 +0200, Gioacchino Mazzurco wrote:
> >>> il test e' sempre PC( iperf -c ) <-- cavo lan --> Piconstation (
> >>> btman-adv + tinc )<-- tinc ---> PC( batman-adv + tinc + iperf -s)
> >>
> >> anche senza TINC la configurazione rimane uguale? scusa ma non ho capito
> >> questo daalle mail precedenti
> >>
> >>>
> >>> >usa un vincolo temporale o quantitativo, sti valori sono troppo
> >>> >deviati..
> >>>
> >>> quei test non sono fatti in parallelo sono fatti in modo sequenziale
> >>> quindi volta per volta c'e' ne e' attivo solo uno
> >>>
> >>> Il 03 luglio 2011 13:40, Darkman <darkman a darkman.it> ha scritto:
> >>> > Magari se scegliessi un test "unico" sarebbe anche meglio,
> >>> > usa un vincolo temporale o quantitativo, sti valori sono troppo
> >>> > deviati..
> >>> > Se non mi dicessi della CPU a palla, guardando sta roba ti direi che
> è
> >>> > congestione..
> >>> >
> >>> > Il giorno 03 luglio 2011 13:31, Gioacchino Mazzurco <
> gmazzurco89 a gmail.com>
> >>> > ha scritto:
> >>> >>
> >>> >> altra serie di test
> >>> >>
> >>> >> [ 4] 0.0-18.8 sec 384 KBytes 167 Kbits/sec
> >>> >> [ 4] 0.0-17.5 sec 384 KBytes 180 Kbits/sec
> >>> >> [ 4] 0.0-20.0 sec 384 KBytes 157 Kbits/sec
> >>> >> [ 4] 0.0-21.1 sec 384 KBytes 149 Kbits/sec
> >>> >> [ 4] 0.0-23.5 sec 512 KBytes 178 Kbits/sec
> >>> >> [ 4] 0.0-32.3 sec 384 KBytes 97.3 Kbits/sec
> >>> >> [ 4] 0.0-20.8 sec 384 KBytes 151 Kbits/sec
> >>> >> [ 4] 0.0-27.7 sec 256 KBytes 75.8 Kbits/sec
> >>> >> [ 4] 0.0-21.8 sec 256 KBytes 96.3 Kbits/sec
> >>> >> [ 4] 0.0-14.3 sec 512 KBytes 294 Kbits/sec
> >>> >> [ 4] 0.0-14.0 sec 512 KBytes 299 Kbits/sec
> >>> >> [ 4] 0.0-37.6 sec 512 KBytes 112 Kbits/sec
> >>> >> [ 4] 0.0-18.7 sec 512 KBytes 224 Kbits/sec
> >>> >> [ 4] 0.0-21.3 sec 384 KBytes 148 Kbits/sec
> >>> >> [ 4] 0.0-17.9 sec 640 KBytes 293 Kbits/sec
> >>> >> [ 4] 0.0-24.8 sec 512 KBytes 169 Kbits/sec
> >>> >> [ 4] 0.0-23.5 sec 512 KBytes 178 Kbits/sec
> >>> >> [ 4] 0.0-16.4 sec 384 KBytes 192 Kbits/sec
> >>> >> [ 4] 0.0-21.4 sec 384 KBytes 147 Kbits/sec
> >>> >>
> >>> >> ho spento dnsmasq che non serviva a niente e andiamo di poco ma
> meglio
> >>> >>
> >>> >> Il 03 luglio 2011 13:16, Darkman <darkman a darkman.it> ha scritto:
> >>> >> > Il sintomo è abbastanza chiaro, ma dubito sia colpa della CPU o
> meglio,
> >>> >> > secondo me qualcosa
> >>> >> > è stata scritta male, 100Kbps sono davvero ridicoli. A maggior
> ragione
> >>> >> > quando ste cpu hanno anche qualche set dedicato
> >>> >> > alla crittografia simmetrica...
> >>> >> >
> >>> >> > Il giorno 03 luglio 2011 13:04, Gioacchino Mazzurco
> >>> >> > <gmazzurco89 a gmail.com>
> >>> >> > ha scritto:
> >>> >> >>
> >>> >> >> ma il problema sembra proprio l'eccessivo utilizzo di cpu per la
> vpn
> >>> >> >> perche' stando in ssh sulla picostation mentre c'e' traffico che
> passa
> >>> >> >> sulla vpn diventa completamente unresponsive non sente nemmeno
> ctrl+c
> >>> >> >> sulla shell... quando il traffico finisce mi esegue tutto quello
> che
> >>> >> >> gli avevo mandato nel fratempo
> >>> >> >>
> >>> >> >> Il 03 luglio 2011 13:01, Gioacchino Mazzurco <
> gmazzurco89 a gmail.com> ha
> >>> >> >> scritto:
> >>> >> >> >>Hai la possibilità di usare una CPU + potente (tincare dal PC)?
> >>> >> >> >
> >>> >> >> > dovrei installarmi anche batman-adv sul pc...
> >>> >> >> >
> >>> >> >> > Il 03 luglio 2011 12:58, Darkman <darkman a darkman.it> ha
> scritto:
> >>> >> >> >> E' chiaro che non può essere il tuo upstream,
> >>> >> >> >> ma sei certo che il collo di bottiglia non sia nella capacità
> di sta
> >>> >> >> >> rete
> >>> >> >> >> mesh tunnellata?
> >>> >> >> >> Hai provato a lanciare 2 iperf in parallelo?
> >>> >> >> >> Hai la possibilità di usare una CPU + potente (tincare dal
> PC)?
> >>> >> >> >>
> >>> >> >> >>
> >>> >> >> >> Il giorno 03 luglio 2011 12:34, Gioacchino Mazzurco
> >>> >> >> >> <gmazzurco89 a gmail.com>
> >>> >> >> >> ha scritto:
> >>> >> >> >>>
> >>> >> >> >>> la picostation a e la z sono la stessa picostation... dalla
> >>> >> >> >>> picostation a posso decidere se accendere tinc e quindi far
> passare
> >>> >> >> >>> traffico mesh su internet oppure se usare solo i link
> wireless
> >>> >> >> >>>
> >>> >> >> >>> dal computer pocco decidere sia di usare la picostation come
> gw sia
> >>> >> >> >>> di
> >>> >> >> >>> usare il router adsl
> >>> >> >> >>>
> >>> >> >> >>> le casistiche quindi sono 3
> >>> >> >> >>>
> >>> >> >> >>> iperf via internet senza tinc >500KB/s
> >>> >> >> >>> iperf via mesh senza tinc ~ 20Kb/s
> >>> >> >> >>> iperf via mesh tunnellata su internet con tinc ~100Kb/s
> >>> >> >> >>>
> >>> >> >> >>> Il 03 luglio 2011 12:27, Darkman <darkman a darkman.it> ha
> scritto:
> >>> >> >> >>> > Fammi capire:
> >>> >> >> >>> > - tra le tua pico(A) e quella(Z) con l'adsl ci sono diversi
> nodi
> >>> >> >> >>> > e
> >>> >> >> >>> > con
> >>> >> >> >>> > iperf
> >>> >> >> >>> > hai risultati di 20Kbps (A->Z) in L3 puro ? Mentre se usi
> tinc va
> >>> >> >> >>> > a
> >>> >> >> >>> > 100Kbps?
> >>> >> >> >>> > - chi sono gli end-point tinc?
> >>> >> >> >>> >
> >>> >> >> >>> >
> >>> >> >> >>> >
> >>> >> >> >>> >
> >>> >> >> >>> >
> >>> >> >> >>> > Il giorno 03 luglio 2011 12:12, Gioacchino Mazzurco
> >>> >> >> >>> > <gmazzurco89 a gmail.com>
> >>> >> >> >>> > ha scritto:
> >>> >> >> >>> >>
> >>> >> >> >>> >> senza tinc praticamente non c'e' connettivita' ( a volte
> va ma
> >>> >> >> >>> >> roba
> >>> >> >> >>> >> tipo 20k perche' sono un sacco di op alcuni dei quali
> fanno
> >>> >> >> >>> >> schifo...)
> >>> >> >> >>> >>
> >>> >> >> >>> >> se invece faccio iperf passando per internet senza tinc
> ottengo
> >>> >> >> >>> >> risultati sempre sopra i 500KB/s
> >>> >> >> >>> >>
> >>> >> >> >>> >> Il 03 luglio 2011 12:01, Darkman <darkman a darkman.it> ha
> >>> >> >> >>> >> scritto:
> >>> >> >> >>> >> > Hai gia controllato i valori tra le 2 pico con e senza
> tinc?
> >>> >> >> >>> >> >
> >>> >> >> >>> >> >
> >>> >> >> >>> >> > Il giorno 03 luglio 2011 11:45, Gioacchino Mazzurco
> >>> >> >> >>> >> > <gmazzurco89 a gmail.com>
> >>> >> >> >>> >> > ha scritto:
> >>> >> >> >>> >> >>
> >>> >> >> >>> >> >> iperf -c su computer che usa una picostation come
> gateway ->
> >>> >> >> >>> >> >> Picostation con tinc <- adsl 8 megabit -> iperf
> --server su
> >>> >> >> >>> >> >> eigenlab.org
> >>> >> >> >>> >> >>
> >>> >> >> >>> >> >>
> >>> >> >> >>> >> >> Il 03 luglio 2011 11:33, Darkman <darkman a darkman.it>
> ha
> >>> >> >> >>> >> >> scritto:
> >>> >> >> >>> >> >> > 100kbps mi pare davvero troppo poco anche per quelle
> >>> >> >> >>> >> >> > cessonanocpu.
> >>> >> >> >>> >> >> > Come li hai ottenuti sti valori?
> >>> >> >> >>> >> >> >
> >>> >> >> >>> >> >> > Il giorno 03 luglio 2011 11:10, Gioacchino Mazzurco
> >>> >> >> >>> >> >> > <gmazzurco89 a gmail.com>
> >>> >> >> >>> >> >> > ha scritto:
> >>> >> >> >>> >> >> >>
> >>> >> >> >>> >> >> >> Ciao a tutti!
> >>> >> >> >>> >> >> >>
> >>> >> >> >>> >> >> >> Facendo dei test mi sono accorto che le vpn con
> tinc
> >>> >> >> >>> >> >> >> installato
> >>> >> >> >>> >> >> >> sui
> >>> >> >> >>> >> >> >> nodi ci vanno max a 100k anche se la banda dell'adsl
> e'
> >>> >> >> >>> >> >> >> molta
> >>> >> >> >>> >> >> >> di
> >>> >> >> >>> >> >> >> piu'... ho cominciato a cercare ed ho letto che la
> causa
> >>> >> >> >>> >> >> >> e'
> >>> >> >> >>> >> >> >> probabilmente la CPU che non ce la fa a fare
> encryption
> >>> >> >> >>> >> >> >> decryption
> >>> >> >> >>> >> >> >> piu' velocemente di cosi'
> >>> >> >> >>> >> >> >>
> >>> >> >> >>> >> >> >> leggendo il man di tinc ho trovato questo
> >>> >> >> >>> >> >> >>
> >>> >> >> >>> >> >> >> Cipher = cipher (blowfish)
> >>> >> >> >>> >> >> >> The symmetric cipher algorithm used to
> encrypt
> >>> >> >> >>> >> >> >> UDP
> >>> >> >> >>> >> >> >> packets. Any cipher supported by OpenSSL is
> recognised.
> >>> >> >> >>> >> >> >> Furâ€
> >>> >> >> >>> >> >> >> thermore, specifying "none" will turn
> off
> >>> >> >> >>> >> >> >> packet
> >>> >> >> >>> >> >> >> encryption. It is best to use only those ciphers
> which
> >>> >> >> >>> >> >> >> support
> >>> >> >> >>> >> >> >> CBC mode.
> >>> >> >> >>> >> >> >>
> >>> >> >> >>> >> >> >> mettendo none dovrebbe essere disabilitata l'
> encryption e
> >>> >> >> >>> >> >> >> quindi
> >>> >> >> >>> >> >> >> avere piu' banda, il meccanismo degli host con il
> file con
> >>> >> >> >>> >> >> >> la
> >>> >> >> >>> >> >> >> chiave
> >>> >> >> >>> >> >> >> pubblica continua a funzionare disabilitando la
> cifratura,
> >>> >> >> >>> >> >> >> e
> >>> >> >> >>> >> >> >> soprattutto bastera' aggiungere quell'opzione li
> oppure
> >>> >> >> >>> >> >> >> bisogna
> >>> >> >> >>> >> >> >> cambiare altre conf?
> >>> >> >> >>> >> >> >>
> >>> >> >> >>> >> >> >> _______________________________________________
> >>> >> >> >>> >> >> >> Wireless mailing list
> >>> >> >> >>> >> >> >> Wireless a ml.ninux.org
> >>> >> >> >>> >> >> >> http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >> >>> >> >> >>
> >>> >> >> >>> >> >> >
> >>> >> >> >>> >> >> >
> >>> >> >> >>> >> >> > _______________________________________________
> >>> >> >> >>> >> >> > Wireless mailing list
> >>> >> >> >>> >> >> > Wireless a ml.ninux.org
> >>> >> >> >>> >> >> > http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >> >>> >> >> >
> >>> >> >> >>> >> >> >
> >>> >> >> >>> >> >> _______________________________________________
> >>> >> >> >>> >> >> Wireless mailing list
> >>> >> >> >>> >> >> Wireless a ml.ninux.org
> >>> >> >> >>> >> >> http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >> >>> >> >>
> >>> >> >> >>> >> >
> >>> >> >> >>> >> >
> >>> >> >> >>> >> > _______________________________________________
> >>> >> >> >>> >> > Wireless mailing list
> >>> >> >> >>> >> > Wireless a ml.ninux.org
> >>> >> >> >>> >> > http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >> >>> >> >
> >>> >> >> >>> >> >
> >>> >> >> >>> >> _______________________________________________
> >>> >> >> >>> >> Wireless mailing list
> >>> >> >> >>> >> Wireless a ml.ninux.org
> >>> >> >> >>> >> http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >> >>> >>
> >>> >> >> >>> >
> >>> >> >> >>> >
> >>> >> >> >>> > _______________________________________________
> >>> >> >> >>> > Wireless mailing list
> >>> >> >> >>> > Wireless a ml.ninux.org
> >>> >> >> >>> > http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >> >>> >
> >>> >> >> >>> >
> >>> >> >> >>> _______________________________________________
> >>> >> >> >>> Wireless mailing list
> >>> >> >> >>> Wireless a ml.ninux.org
> >>> >> >> >>> http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >> >>>
> >>> >> >> >>
> >>> >> >> >>
> >>> >> >> >> _______________________________________________
> >>> >> >> >> Wireless mailing list
> >>> >> >> >> Wireless a ml.ninux.org
> >>> >> >> >> http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >> >>
> >>> >> >> >>
> >>> >> >> >
> >>> >> >> _______________________________________________
> >>> >> >> Wireless mailing list
> >>> >> >> Wireless a ml.ninux.org
> >>> >> >> http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >>
> >>> >> >
> >>> >> >
> >>> >> > _______________________________________________
> >>> >> > Wireless mailing list
> >>> >> > Wireless a ml.ninux.org
> >>> >> > http://ml.ninux.org/mailman/listinfo/wireless
> >>> >> >
> >>> >> >
> >>> >> _______________________________________________
> >>> >> Wireless mailing list
> >>> >> Wireless a ml.ninux.org
> >>> >> http://ml.ninux.org/mailman/listinfo/wireless
> >>> >>
> >>> >
> >>> >
> >>> > _______________________________________________
> >>> > Wireless mailing list
> >>> > Wireless a ml.ninux.org
> >>> > http://ml.ninux.org/mailman/listinfo/wireless
> >>> >
> >>> >
> >>> _______________________________________________
> >>> Wireless mailing list
> >>> Wireless a ml.ninux.org
> >>> http://ml.ninux.org/mailman/listinfo/wireless
> >>
> >> --
> >> Antonio Quartulli
> >>
> >> ..each of us alone is worth nothing..
> >> Ernesto "Che" Guevara
> >> _______________________________________________
> >> Wireless mailing list
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> >>
> >
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>
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