On Tuesday 31 March 2009 23:29:23 Martin Langhoff wrote: > On Mon, Mar 30, 2009 at 8:26 PM, Toby Collett <[email protected]> wrote: > > There is no error checking in the encoding itself, this is assumed to be > > taken care in other layers, and we through in a strong hash on the whole > > file to make sure this is correct. > > Is that right? I thought what Rusty was saying re crcsync is that crc > is strong, even when rolling?
Well, 'strong' here is relative. In order to keep the checksum length finite and hence encode more blocks we only use a portion of the bits; it's a tradeoff. And so an overall checksum is important, just to verify that the final result is correct. Cheers, Rusty. _______________________________________________ Server-devel mailing list [email protected] http://lists.laptop.org/listinfo/server-devel
