[Spread-users] Configuration file answer
Yair Amir
yairamir at cnds.jhu.edu
Fri Apr 4 12:04:52 EST 2003
Hi Aswin,
I am not sure what is your question.
To me, the segment definition in your example below seems incorrect.
You should not include 127.0.0.1 in a spread configuration file unless
the configuration file includes exactly one segment with exactly one
machine.
Having said that, I don't think this relates in any way to the problem
you have with partitioning.
Cheers,
:) Yair.
On Friday, April 04, 2003 11:35 AM
Aswin Almeida aalmeida at bbn.com wrote:
Aswin> Yair,
Aswin> The reason I ask is because we have this working in lab tests and during
Aswin> experiment runs.
Aswin> In fact, our experiment tool dynamically creates the spread.conf files and
Aswin> segments on a per enclave basis (only including machines that are
Aswin> involved). I was curious if this might cause any side effects.
Aswin> Example:
Aswin> Spread_Segment 192.168.3.255:4803 {
Aswin> localhost 127.0.0.1
Aswin> cam100 192.168.3.100
Aswin> cam101 192.168.3.101
Aswin> }
Aswin> Spread_Segment 192.168.5.255:4803 {
Aswin> localhost 127.0.0.1
Aswin> afrl3 192.168.5.3
Aswin> afrl4 192.168.5.4
Aswin> }
Aswin> The partitioning issue that we are seeing is *not* confined to just the TIC
Aswin> and its outbound links. It occurs with other sites, even when the claimed
Aswin> loss rate from "s" and "r" is 5-7%. This suggests that the problem is
Aswin> either with the network itself (a possibility, as one does not control the
Aswin> public links we are relying on for the VPN) or we'd still be able to tweak
Aswin> something within Spread (the application itself).
Aswin> See Sara's reply (previously) for details.
Aswin> Regards,
Aswin> Aswin
Aswin> At 07:45 AM 04/03/2003 -0500, Yair Amir wrote:
>>Hi,
>>
>>This configuration should not work. Take out the 127.0.0.1 from the
>>segment.
>>
>> Cheers,
>>
>> :) Yair.
>>
>> > Folks,
>> >
>> > One follow up question to this:
>> >
>> > Is there anything wrong with specifying a localhost entry for a Spread
>> > Segment that defines a.b.c.255?
>> >
>> > For example:
>> >
>> > Spread_Segment x.2.2.255 {
>> > localhost 127.0.0.1 <---
>> > other1 128.2.2.10
>> > other2 128.2.2.11
>> > }
>> >
>> > -Aswin
>>
>>
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