Re: [manet] [Roll] Is there comparisons reported between RPL and LOADng
Abdussalam Baryun <abdussalambaryun@gmail.com> Thu, 18 October 2012 08:14 UTC
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Date: Thu, 18 Oct 2012 10:14:40 +0200
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From: Abdussalam Baryun <abdussalambaryun@gmail.com>
To: Thierry LYS <thierry.lys@erdfdistribution.fr>
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Subject: Re: [manet] [Roll] Is there comparisons reported between RPL and LOADng
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Sub: Reply to a post in IETF MANET WG List, related to LLNs deployment Hi Thierry, Which LOAD specification was deployed, LOADng-05 or LOADng-04, because they are different specifications? because LOADng-05 uses MANET port and RFC5444 but LOADng-04 does not. AB +++++++++++++++++++++++++++++++++++++++++++ Sub: Re: [manet] Experiment with 2000 nodes with LOAD Date: Wed, 17 Oct 2012 18:00:47 +0200 > As mentionned in Lavenu's previous mail we have rolled-out a 2000 G3 PLC > (an internationally standardized PLC technology) node trial and obtained > excellent performances : > daily collection success rate of 98 % > dicovery rate of 99,7 % (the remaining meters is facing in majority HW > problems) > > It is more than a year and a half that this experiment runs ! > > ...and believe me, PLC is a very harsh media and routing is playing a > critical role here. We see along the day a very stable communication rate > even in duty hours (around 8 AM and 6-9 PM) > This experiment proves that LOAD is a good protocol for large PLC networks > characterized by low bandwidth, unstable links and link asymmetry. > We use our experience to improve it and that's how LOADng has come up ! > Finally, PLC media is probably not so far from mobile networks since > attenuation and noise is changing with time ! > > Best regards, > > Thierry Lys > ERDF > > Thierry Lys > Direction Comptage / Metering Division > Building Crysalis - 345 Avenue Georges Clémenceau - 92000 Nanterre - > France > Tel : +33 (0)1 81 97 67 77 > > Hi Cédric, (Hope people will follow which cedric is talking !) > > Le 16 oct. 2012 à 18:58, Cedric-2 LAVENU a écrit : > > Dear Cédric, > > I'm not sure all this discussions really make sense : > >> An LLN network is definitely a type of MANET > > As JP pointed out, if LLNs challenges can be addressed in MANET, why > would have ROLL being created ? > I think that a protocol intend to LLNs, or if LLNs are included in the > scope should be reviewed by the ROLL working group , as it is the place > dedicated by the IETF. > > Does that makes sense ? > > according to what Adrian said (he has been quoted several times in the > past mails). One of the fileds LOADng is intended to be used are AMI PLC > networks with low bandwidth (few kbps in the harshest environments), but > can be extensible to other types of MANETs. > > And regarding your comment about experience with LOADng : > >> LOADng is a protocol for which several running implementations exist and > interoperate as shown in draft : > http://tools.ietf.org/html/draft-lavenu-lln-loadng-interoperability-report-02 > > > > yes it has been discussed, and explained that the goal of these test were > focused on validating the protocol behavior, not the performance. > >> In addition, LOAD (the previous version) was successfully run in a 2000 > PLC node trial. > > Very nice ! > Would you mind to share some details on this ? > > Cédric. > > > I think that all the facts are on the table to say that LOAD would be > suitable for MANETs (LLNs being a subset of MANETs). In addition field and > lab experience does exist and demonstrated that LOADng can be very > efficient. > > Regards, > Cédric
- Re: [manet] [Roll] Is there comparisons reported … Abdussalam Baryun