[Beowulf] raw ethernet

Alvin Starr alvin at iplink.net
Wed Aug 4 10:02:16 EDT 2004


Jeff Layton wrote:
Way back when.....

> Robert G. Brown wrote:
>
>> On Tue, 20 Jul 2004 050675 at student.unife.it wrote:
>>
>>  
>>
>>> Hi all, I'm making some studies (for my degree) about raw ethernet 
>>> on a P4
>>> pentium based cluster. Is someone interested in this? If yes I'll be 
>>> happy
>>> to share opinions and ideas (I'm not an expert, only a student BTW 
>>> if you
>>> want i'm here).
>>>   
>>
>>
>> Do you mean using raw ethernet packets on a flat bridged network to do
>> point to point IPCs in a cluster application?  No TCP/IP?
>>
>> Sounds like a lovely project.  Why don't you report to the list once a
>> month or so.  Just remember, while you can likely skip the IP part
>> (which is primarily associated with name resolution and routing) and can
>> maybe skip the port part (dedicated function packets) you'll still have
>> the rest of TCP to recreate -- reliable packet transmission and
>> sequencing and checksumming.  Pretty ambitious, if you're planning to
>> write the whole communications stack yourself (but yes, a great learning
>> project).
>>
>>   rgb
>>
>
> I belive that HyperSCSI does this as well as Scali MPI Connect in ther
> DET (or is it DAT) mode of running. Since HyperSCSI is open source
> you might want to look at their code to see what they did.
>
>
>
The question I have is there anybody actually using hyperscsi?
 From what I can see it looks like nobody is using it in real life.

-- 
Alvin Starr                   ||   voice: (416)585-9971
Interlink Connectivity        ||   fax:   (416)785-3668
alvin at iplink.net              ||


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