Mr.Brim, Thank you for your comment and suggestion. We will update the draft reflecting your idea if we have no other comments.
Best Regards, Jun > On 8/21/08 5:35 AM, actech allegedly wrote: >> Mr.Brim and Mr.Jennings, >> >> Thank you for your comments. >> >>>> I still make a friendly suggestion that you document that dependency, >>>> because if there is an extension to the ATRAC specification in the >>>> future to support a higher bit rate, this protocol might break. >>>> >>>> Scott >>>> If we assume that the smallest MTU is 576, would anything need to be >>>> changed? >> In order to solve the problem, we have two ways that >> - incorporating rollover mechanism >> - increasing of bit number for fragment counter(FrgNo) >> >> Incorporating rollover is easy to modify the standard. >> However, the determination of right order of the packets are sometimes >> impossible if the received packets have the identical FrgNo and >> severely reversed or inverted arrival of the packets are occured. >> >> Regarding on increasing of the bit number, appropriate bit number should be >> determined considering various MTU size, or assuming some limitation. >> In addition, the impact of modification of the draft is not small in >> current (our) system. >> >> We are happy if we can have your further comments. >> >> Regards, >> >> Jun > > My suggestion is not to change the specification, but simply to document > the assumption. For example: > > Fragment Number (FrgNo): 3 bits > In the event of data fragmentation, this value is one for the first > packet, and increases sequentially for the remaining fragmented data > packets. This value SHOULD be zero for an unfragmented frame. (Note: > 3 bits is sufficient to avoid Fragment Number rollover given the > current maximum supported bit-rate in the ATRAC specification. If > that changes, the choice of 3 bits for the Fragment Number should be > revisited.) > > > > _______________________________________________ Gen-art mailing list [email protected] https://www.ietf.org/mailman/listinfo/gen-art
