[ofa-general] iWARP issues

[Kanevsky, Arkady]

inline.

Arkady Kanevsky                       email: arkady at netapp.com
Network Appliance Inc.               phone: 781-768-5395
1601 Trapelo Rd. - Suite 16.        Fax: 781-895-1195
Waltham, MA 02451                   central phone: 781-768-5300
 

> -----Original Message-----
> From: Sean Hefty [mailto:sean.hefty at intel.com] 
> Sent: Thursday, November 01, 2007 5:58 PM
> To: Kanevsky, Arkady; bboas at systemfabricworks.com
> Cc: OpenFabrics General
> Subject: RE: [ofa-general] iWARP issues
> 
> >- iWARP + TCP host stack port space sharing (required by IETF iSER
> >spec.)
> 
> I don't think we can accomplish much without participation 
> from the network maintainers, which I'm guessing will go 
> something like this: "No - end of discussion".  (This is the 
> polite version.)

That is why I think we need planery time.
We are between 2 rocks.
IETF spec defines iSER protocol which requires features which Linux net
guys
do not want to see.
Do we want to proposed a change to IETF now?
Last thing we want to get into is interop issues between different Oses.

> 
> >- RDMA connection timeout; expand RDMA_CM API to support timeout 
> >paramater (not iWARP specific)
> 
> I'm working on adding a timeout to rdma_connect() now.  I'm 
> trying to decide if there should be a single timeout 
> parameter, or timeout and retry values.

Thank you. 

> 
> Does anyone know the details regarding the TCP connection 
> retry algorithm in Linux?  (time between retries, number of 
> retries, etc.)
> 
> - Sean
>