[ofa-general] [RFP] support for iWARP requirement - active connect side MUST send first FPDU

Arlin Davis ardavis at ichips.intel.com
Tue Oct 23 11:58:00 PDT 2007


There has been much discussion on a private thread regarding bug #735 - 
"dapltest performance tests don't adhere to iWARP standard" that needs 
to move to the general list.

iWARP, has a requirement that the active side of the connection MUST be 
the first to send the first FPDU (SEND or RDMA operation). This presents 
a problem with applications written for uDAPL and OFA verbs given that 
there is no such restriction. So, short of requiring every OFA 
application/ULP to adhere to this restriction, we need the iWARP vendors 
to come up with a standard method to remove the restriction.

Can someone come up with a solution, possibly in iWARP CM, that will 
work and insure interoperability between iWARP devices?


-arlin










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