Re: [Int-area] IP parcels

Thank you, Alex - have a great holiday!

Fred

> -----Original Message-----
> From: Int-area [mailto:int-area-bounces@ietf.org] On Behalf Of Alexandre Petrescu
> Sent: Tuesday, December 21, 2021 7:03 AM
> To: int-area@ietf.org
> Subject: Re: [Int-area] IP parcels
> 
> The title and abstract are great.
> 
> About the title, just one little note.  This word 'parcel' is very well
> adapted and suggestive for an English speaker.  I think I heard it very
> well in US English, even though not sure about UK English - to they also
> use 'parcel' to mean a package sent in mail?  Probably yes.
> 
> An 'IP Parcel' is a new concept, akin to an IP packet, IP datagram, or
> to a TCP segment: it is also a delimited 'chunk' of data sent in the
> network.  It is different than an IP packet in that it is made to be
> able to carry more IP packets inside.  An IP tunnel also is known to
> carry another IP packet which itself could carry another packet
> (encapsulated tunnels); however an IP parcel would be different than an
> IP tunnel in that there are less IP headers, presumably, and no trailers
> at all (IP tunnel encapsulation involves trailers, IIRC).  Maybe I could
> understand that if I read the draft.
> 
> The name 'parcel', to a French speaker, makes think it might be a
> 'parcelle'.  That 'parcelle' is a limited domain, like a part of land.
> In our current discussions of 'limited domains' in the Internet, that
> 'parcelle' confuses me.  It is not an 'IP parcelle' limited domain, but
> an 'IP parcel' packet, even though it is pronounced the same.
> 
> Le 18/12/2021 à 02:06, Templin (US), Fred L a écrit :
> > Here's one that should help with shipping, just in time for
> > Christmas. Thanks to everyone for the past and future list
> > exchanges.
> >
> > Fred
> >
> > -----Original Message----- From: I-D-Announce
> > [mailto:i-d-announce-bounces@ietf.org] On Behalf Of
> > internet-drafts@ietf.org Sent: Friday, December 17, 2021 5:00 PM To:
> >  i-d-announce@ietf.org Subject: I-D Action:
> > draft-templin-intarea-parcels-00.txt
> >
> >
> > A New Internet-Draft is available from the on-line Internet-Drafts
> > directories.
> >
> >
> > Title           : IP Parcels Author          : Fred L. Templin
> > Filename        : draft-templin-intarea-parcels-00.txt Pages : 8
> > Date : 2021-12-17
> >
> > Abstract: IP packets (both IPv4 and IPv6) are understood to contain a
> > unit of data which becomes the retransmission unit in case of loss.
> > Upper layer protocols such as the Transmission Control Protocol (TCP)
> > prepare data units known as "segments", with traditional arrangements
> > including a single segment per packet.  This document presents a new
> > construct known as the "IP Parcel" which permits a single packet to
> > carry multiple segments.
> 
> It sounds interesting.
> 
> But I wonder whether the IP parcel carries multiple TCP segments (TCP
> payloads that dont have IP headers) or rather multiple IP packets (an IP
> packet might carry a TCP payload)?
> 
> Maybe it's written in the draft, I will have to look.
> 
> > The parcel can be opened at middleboxes on the path with the included
> > segments broken out into individual packets, then rejoined into one
> > or more repackaged parcels to be forwarded further toward the final
> > destination.  Reordering of segments within parcels is unimportant;
> > what matters is that the number of parcels delivered to the final
> > destination should be kept to a minimum, and that loss or receipt of
> > individual segments (and not parcel size) determines the
> > retransmission unit.
> 
> The _segment_ is retransmitted upon segment loss or the entire parcel is?
> 
> Alex
> 
> >
> >
> > The IETF datatracker status page for this draft is:
> > https://datatracker.ietf.org/doc/draft-templin-intarea-parcels/
> >
> > There is also an htmlized version available at:
> > https://datatracker.ietf.org/doc/html/draft-templin-intarea-parcels-00
> >
> >
> >
> >
> >
> > Internet-Drafts are also available by rsync at
> > rsync.ietf.org::internet-drafts
> >
> >
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> > ftp://ftp.ietf.org/ietf/1shadow-sites.txt
> >
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