> Michael's proposal is a nice optimization for the direct host to host > case. > > However as soon as a gateway/router (B above) is added there is a > serious gap in the integrity domains. A hardware problem (or software > bug) in B could undetectably corrupt the packet, but it would be > delivered to C with a valid checksum. Hence an undetected data > corruption for the overall network path A<->C.
Note that B can implement data integrity measures (e.g. ECC) to protect against this. > Undetected data corruption is a very nasty word for the enterprise and > designs must strive to remove opportunities for such problems. > > Hence I agree with Roland's comment that the name should imply the > serious risk that this option can introduce and it should clearly not be > the default behavior. > > Michael's idea of doing this in a manner so the unchecksum'ed packets > are unroutable may also be reasonable. -- MST _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
