On Tue, 2008-02-05 at 16:48 -0800, Nicholas A. Bellinger wrote: > On Tue, 2008-02-05 at 22:01 +0300, Vladislav Bolkhovitin wrote: > > Jeff Garzik wrote: > > > Alan Cox wrote: > > > > > >>>better. So for example, I personally suspect that ATA-over-ethernet is way > > >>>better than some crazy SCSI-over-TCP crap, but I'm biased for simple and > > >>>low-level, and against those crazy SCSI people to begin with. > > >> > > >>Current ATAoE isn't. It can't support NCQ. A variant that did NCQ and IP > > >>would probably trash iSCSI for latency if nothing else. > > > > > > > > > AoE is truly a thing of beauty. It has a two/three page RFC (say no more!). > > > > > > But quite so... AoE is limited to MTU size, which really hurts. Can't > > > really do tagged queueing, etc. > > > > > > > > > iSCSI is way, way too complicated. > > > > I fully agree. From one side, all that complexity is unavoidable for > > case of multiple connections per session, but for the regular case of > > one connection per session it must be a lot simpler. > > > > And now think about iSER, which brings iSCSI on the whole new complexity > > level ;) > > Actually, the iSER protocol wire protocol itself is quite simple, > because it builds on iSCSI and IPS fundamentals, and because traditional > iSCSI's recovery logic for CRC failures (and hence alot of > acknowledgement sequence PDUs that go missing, etc) and the RDMA > Capable > Protocol (RCaP). this should be: .. and instead the RDMA Capacle Protocol (RCaP) provides the 32-bit or greater data integrity. --nab - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
