[Ndn-interest] Proposed deprecation: byte offset segmenting

Tai-Lin Chu tailinchu at gmail.com
Tue Jan 29 14:53:17 PST 2019


Could you also attach or link to NDN Naming Conventions revision 2?

Thanks!

On Tue, Jan 29, 2019 at 12:28 PM Nick Briggs via Ndn-interest
<ndn-interest at lists.cs.ucla.edu> wrote:
>
> What is the benefit of removing it from the specification (or the cost of leaving it) ?
>
> -- Nick
>
>
> > On Jan 29, 2019, at 12:22 PM, Junxiao Shi <shijunxiao at email.arizona.edu> wrote:
> >
> > Dear folks
> >
> > NDN Naming Conventions revision 1 defines two segmenting markers: 0x00 and 0xFB.
> > 0x00 is the segment number marker. Segments of a content are assigned consecutive segment numbers.
> > It is commonly used in many applications, including ndnputchunks, NDNFS, and PSync.
> >
> > 0xFB is the byte offset marker. Segments of a content are given this marker followed by payload's byte offset within the content.
> > We are unaware of any application that adopts the 0xFB byte offset marker.
> > Moreover, unless using a manifest, the consumer cannot predict the byte offset of every segment, and thus hinders the efficiency of content retrieval because pipelining cannot be used.
> >
> > Alex has promised to discontinue byte offset segmenting in NDN Naming Conventions revision 2.
> > If anyone on this mailing list has an application that currently uses 0xFB marker, please speak up within 5 days.
> >
> > Yours, Junxiao
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