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-boun...@ietf.org] On Behalf Of
internet-dra...@ietf.org Sent: Friday, December 17, 2021 5:00 PM To:
i-d-annou...@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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