Ethernet performance tests

Tim Jackson jackson.tim at gmail.com
Thu Oct 28 02:35:19 UTC 2010


Each KM does not ad 4.9ms......

More like ~1msec per 100km...

1/4/msec usually per OEO conversion (depends on the box)...

--
Tim

On Wed, Oct 27, 2010 at 9:31 PM, Mike Mainer <mmainer at tekinside.com> wrote:
> Exfo, JDSU, Fluke all offer hand held test sets that can run a rfc2544
> (http://www.ietf.org/rfc/rfc2544.txt) test.  Do you own the path between cpe
> <-> cpe?  Remeber that for each km of fiber distance add about 4.9ms (one
> way) of latency.  Do basline tests on your cpe gear so you know what you are
> working with from the being.  Different tests at different speeds/cpe hand
> off (1Gig fiber, 10Gig fiber, Copper @ 10/100/1000) so that all varations
> are captured.
>
> Did this at a pervious company, had to test everything in everything
> deployable state.
>
>
> On Wed, Oct 27, 2010 at 6:54 PM, Tim Jackson <jackson.tim at gmail.com> wrote:
>>
>> We dispatch a technician to an end-site and perform tests either
>> head->head with another test set, or to a loop at a far-end..
>>
>> We do ITU-T Y.156sam/EtherSAM and/or RFC2544 tests depending on the
>> customer requirements. (some customers require certain tests for x
>> minutes)
>>
>> http://www.exfo.com/en/Products/Products.aspx?Id=370
>> ^--All of our technicians are equipped with those EXFO sets and that
>> module. Also covers SONET/DS1/DS3 testing as well in a single easy(er)
>> to carry set..
>>
>> --
>> Tim
>>
>> On Wed, Oct 27, 2010 at 6:32 PM, Diogo Montagner
>> <diogo.montagner at gmail.com> wrote:
>> > Hello everyone,
>> >
>> > I am looking for performance test methodology for ethernet-based
>> > circuits. These ethernet circuits can be: dark-fiber, l2circuit
>> > (martini), l2vpn (kompella), vpls or ng-vpls. Sometimes, the ethernet
>> > circuit can be a mix of these technologies, like below:
>> >
>> > CPE <-> metro-e <-> l2circuit <-> l2vpn <-> l2circuit <-> metro-e <->
>> > CPE
>> >
>> > The goal is verify the performance end-to-end.
>> >
>> > I am looking for tools that can check at least the following parameters:
>> >
>> > - loss
>> > - latency
>> > - jitter
>> > - bandwidth
>> > - out-of-order delivery
>> >
>> > At this moment I have been used IPerf to achieve these results. But I
>> > would like to check if there is some test devices that can be used in
>> > situations like that to verify the ethernet-based circuit performance.
>> >
>> > The objective of these tests is to verify the signed SLAs of each
>> > circuit before the customer start to use it.
>> >
>> > I checked all MEF specifications and I only find something related to
>> > performance for Circuit Emulation over Metro-E (which is not my case).
>> >
>> > Appreciate your comments.
>> >
>> > Thanks!
>> > ./diogo -montagner
>> >
>> >
>>
>
>
>
> --
> -Mike Mainer
>




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