Re: [6tisch] [6lo] Format inside of an RPL domain
Tengfei Chang <tengfei.chang@gmail.com> Mon, 18 January 2016 13:26 UTC
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Date: Mon, 18 Jan 2016 14:26:22 +0100
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From: Tengfei Chang <tengfei.chang@gmail.com>
To: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
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Cc: "6tisch@ietf.org" <6tisch@ietf.org>, "6lo@ietf.org" <6lo@ietf.org>
Subject: Re: [6tisch] [6lo] Format inside of an RPL domain
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I agree with this format! +1 Tengfei On Mon, Jan 18, 2016 at 9:41 AM, Pascal Thubert (pthubert) < pthubert@cisco.com> wrote: > Dear TengFei: > > > > I agree that the draft is lacking description when there is no IP in IP. > I’ll create a ticket. > > > > When there is no IP in IP present in the 6LoRH, then the headers > compressed by 6LoRH are considered placed right after the IP header > compressed by IPHC, and considered as compressed. It results that the NH > bit in the IPHC really indicates how the compression is done for the header > that is after the headers compressed by 6LoRH. > > > > For an ICMP message I’d think that you’ll be using: > > > > +- ... -+- ... -+-+-+- ... -+-+-+-+-+ ... -+-+-+-+-+-+-+-+-+-+-+... > > |11110001| RPI | NH = 0 | NH = 58 | ICMP message > > |Page 1 | 6LoRH | 6LOWPAN-IPHC | (ICMP) | (no compression) > > +- ... -+- ... +-+-+-+- ... -+-+-+-+-+ ... -+-+-+-+-+-+-+-+-+-+-+... > > <- RFC 6282 -> > > No RPL artifact > > > > Does that make sense? > > > > Pascal > > > > *From:* 6lo [mailto:6lo-bounces@ietf.org] *On Behalf Of *Tengfei Chang > *Sent:* lundi 18 janvier 2016 09:18 > *To:* 6lo@ietf.org > *Subject:* [6lo] Format inside of an RPL domain > > > > Dear All, > > > > Currently I have a question about the format of packet inside of an RPL > domain when using 6LoRH. > > > > For example when ping a mote inside an RPL domain, will the format of echo > request and reply look like this? > > > > PAGE DISPATCH (page 1) + IPHC + 6LoRH RH3 + ICMPv6 > > PAGE DISPATCH (page 1) + IPHC + 6LoRH RPI + ICMPv6 > > > > If so, there is no next header field in 6LoRH to indicate the following > field is ICMP. > > What's the right format for this case? > > > > Thanks a lot! > > Tengfei >
- Re: [6tisch] [6lo] Format inside of an RPL domain Pascal Thubert (pthubert)
- Re: [6tisch] [6lo] Format inside of an RPL domain Thomas Watteyne
- Re: [6tisch] [6lo] Format inside of an RPL domain Thomas Watteyne
- Re: [6tisch] [6lo] Format inside of an RPL domain Pascal Thubert (pthubert)
- Re: [6tisch] [6lo] Format inside of an RPL domain Tengfei Chang
- Re: [6tisch] [6lo] Format inside of an RPL domain Pascal Thubert (pthubert)
- Re: [6tisch] [6lo] Format inside of an RPL domain Pascal Thubert (pthubert)