[Ninux-Wireless] tinc CPU optimization
Gioacchino Mazzurco
gmazzurco89 a gmail.com
Dom 3 Lug 2011 14:24:39 CEST
sulla mia macchina sembra che siano disponibili solo cubic e reno
Il 03 luglio 2011 14:23, Gioacchino Mazzurco <gmazzurco89 a gmail.com> ha scritto:
> non so quale usa di default tu quale mi consigli di usare?
>
> Il 03 luglio 2011 14:18, Darkman <darkman a darkman.it> ha scritto:
>> 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
>>> >> 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
>>
>>
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