[6tisch] Fwd: New Version Notification for draft-ietf-6tisch-msf-18.txt

2020-09-12 Thread Tengfei Chang
Dear all, A new version of I-D, draft-ietf-6tisch-msf-18.txt is just posted. It mainly resolved the comments from Eric. I believe the current version resolved the all comments posted by the reviewers. Very much looking forward to the next step action! Taking care! Tengfei Dr. Tengfei Chang

Re: [6tisch] Erik Kline's Yes on draft-ietf-6tisch-msf-17: (with COMMENT)

2020-09-12 Thread Tengfei Chang
Thanks Erik for the review! I will fix those comments and publish a new version soon. Tengfei Dr. Tengfei Chang Post-doctoral Researcher Wireless Networking for Evolving & Adaptive Applications (EVA) National Inst. for Research in Comp. Sci. and Automation ( Inria ) (+33)1 80 49 4

[6tisch] Fwd: New Version Notification for draft-ietf-6tisch-msf-17.txt

2020-08-03 Thread Tengfei Chang
Hello all, A new version of 6TiSCH MSF draft is published. It mainly resolved the comments from Donald (cc'ed). Thanks again for these comments! Erik, Let me know if there is any further action required from my side to push it forward. Thanks! Regards, Tengfei Dr. Tengfei Chang Post

Re: [6tisch] Benjamin Kaduk's No Objection on draft-ietf-6tisch-msf-16: (with COMMENT)

2020-05-13 Thread Tengfei Chang
Alright, then I will keep the version 17 unpublished, until it's needed. Thanks a lot Pascal! Tengfei Stay Healthy! Stay Optimistic! Dr. Tengfei Chang Post-doctoral Researcher Wireless Networking for Evolving & Adaptive Applications (EVA) National Inst. for Research in Comp.

Re: [6tisch] Benjamin Kaduk's No Objection on draft-ietf-6tisch-msf-16: (with COMMENT)

2020-05-13 Thread Tengfei Chang
parent", which I changed it to the "selected routing parent". Will correct it and publish a new version. Thanks for the catching! Tengfei Stay Healthy! Stay Optimistic! Dr. Tengfei Chang Post-doctoral Researcher Wireless Networking for Evolving & Adaptive Applications (EV

Re: [6tisch] Benjamin Kaduk's No Objection on draft-ietf-6tisch-msf-16: (with COMMENT)

2020-05-11 Thread Tengfei Chang
Optimistic! Dr. Tengfei Chang Post-doctoral Researcher Wireless Networking for Evolving & Adaptive Applications (EVA) National Inst. for Research in Comp. Sci. and Automation ( Inria ) (+33)1 80 49 41 43 tengfei.ch...@inria.fr www.tchang.org > From: "Pascal Thube

Re: [6tisch] Benjamin Kaduk's No Objection on draft-ietf-6tisch-msf-16: (with COMMENT)

2020-05-11 Thread Tengfei Chang
he radio range of the attacker" is not exactly a fixed constant ... > attackers are not in general bound by legal limits and can increase Tx > power subject only to their equipment and budget. > >MSF adapts to traffics containing packets from IP layer. It is >possible that th

Re: [6tisch] MSF traffic adaptation under stress

2020-04-10 Thread Tengfei Chang
and Georgios > ___ > 6tisch mailing list > 6tisch@ietf.org > https://www.ietf.org/mailman/listinfo/6tisch > -- —— Stay healthy, stay optimistic! Dr. Tengfei, Chang Postdoctoral Research Engineer, Inr

Re: [6tisch] Benjamin Kaduk's Discuss on draft-ietf-6tisch-msf-12: (with DISCUSS and COMMENT)

2020-04-02 Thread Tengfei Chang
so inline. > > On Mon, Mar 30, 2020 at 01:40:24PM +0200, Tengfei Chang wrote: > > Hi Ben, > > > > I replied inline: > > > > On Tue, Mar 24, 2020 at 8:27 PM Benjamin Kaduk wrote: > > > > > Hi Tengfei, > > > > > > Also inline. > >

Re: [6tisch] Benjamin Kaduk's Discuss on draft-ietf-6tisch-msf-12: (with DISCUSS and COMMENT)

2020-03-31 Thread Tengfei Chang
Hi Benjamin, You may notice that the MSF revision 15 has been created. It mainly fixed the comments your mentioned in your second response. Thanks again for your review on MSF draft! Tengfei On Mon, Mar 30, 2020 at 1:40 PM Tengfei Chang wrote: > Hi Ben, > > I replied inline: > &

Re: [6tisch] Benjamin Kaduk's Discuss on draft-ietf-6tisch-msf-12: (with DISCUSS and COMMENT)

2020-03-30 Thread Tengfei Chang
Hi Ben, I replied inline: On Tue, Mar 24, 2020 at 8:27 PM Benjamin Kaduk wrote: > Hi Tengfei, > > Also inline. > > On Tue, Mar 24, 2020 at 12:22:02PM +0100, Tengfei Chang wrote: > >Hi Benjamin, > >I replied inline starting with '>' > >Th

Re: [6tisch] Éric Vyncke's No Objection on draft-ietf-6tisch-msf-12: (with COMMENT)

2020-03-24 Thread Tengfei Chang
he rows of Figure 2. > > *RESPONSE*: it will be ordered as the time it appears in the text in next version. > > > ___ > 6tisch mailing list > 6tisch@ietf.org > https://www.ietf.org/mailman/listinfo/6tisch > -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tchang.org/ —— ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

Re: [6tisch] Alvaro Retana's No Objection on draft-ietf-6tisch-msf-12: (with COMMENT)

2020-03-24 Thread Tengfei Chang
ne of the algorithm met the rule/One of the algorithms that meet the > rule > > s/Alternative behaviors may involved/Alternative behaviors may be involved > > s/when alternative security/when an alternative security > > s/node keeps listen/node keeps listening > >

Re: [6tisch] Alissa Cooper's No Objection on draft-ietf-6tisch-msf-12: (with COMMENT)

2020-03-24 Thread Tengfei Chang
-- > COMMENT: > -- > > Please use the RFC 8174 boilerplate rather than the RFC 2119 boilerplate. > > > > ___ > 6tisch mailing list > 6tisch@ietf.org > https://www.ietf.o

Re: [6tisch] Benjamin Kaduk's Discuss on draft-ietf-6tisch-msf-12: (with DISCUSS and COMMENT)

2020-03-24 Thread Tengfei Chang
ts and can increase Tx > power subject only to their equipment and budget. > > Yes, I agree. For action, I will simply remove the example. > >MSF adapts to traffics containing packets from IP layer. It is >possible that the IP packet has a non-zero DSCP (Diffserv

Re: [6tisch] Mirja Kühlewind's No Objection on draft-ietf-6tisch-msf-12: (with COMMENT)

2020-03-18 Thread Tengfei Chang
Sorry for the previous incomplete email... On Wed, Mar 18, 2020 at 12:29 PM Tengfei Chang wrote: > Hello Mirija, > > Thanks for the comments on the draft! > I replied inline starting with '> ' > > On Wed, Mar 11, 2020 at 2:19 PM Mirja Kühlewind via Datatracker < &

Re: [6tisch] Mirja Kühlewind's No Objection on draft-ietf-6tisch-msf-12: (with COMMENT)

2020-03-18 Thread Tengfei Chang
" How this rate limit is set is out of scope of MSF." > Maybe > " How this rate limit is implemented is out of scope of MSF. > > 6) "Appendix A. Contributors" -> Usually Contributors is an own section > in the > body of the document and not part of the appendix but I'm sure the RFC > editor > will advise you correctly. > > > > ___ > 6tisch mailing list > 6tisch@ietf.org > https://www.ietf.org/mailman/listinfo/6tisch > -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tchang.org/ —— ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

[6tisch] Roman Danyliw's Discuss on draft-ietf-6tisch-msf-12: (with DISCUSS and COMMENT)

2020-03-10 Thread Tengfei Chang
Hello Roman, Thanks for the comments on the draft! I replied inline starting with '> ' === Roman Danyliw has entered the following ballot position for draft-ietf-6tisch-msf-12: Discuss When responding, please keep the subject

Re: [6tisch] I-D Action: draft-ietf-6tisch-msf-12.txt

2020-03-07 Thread Tengfei Chang
e from the on-line Internet-Drafts > directories. > This draft is a work item of the IPv6 over the TSCH mode of IEEE 802.15.4e > WG of the IETF. > > Title : 6TiSCH Minimal Scheduling Function (MSF) > Authors : Tengfei Chang >

Re: [6tisch] I-D Action: draft-ietf-6tisch-msf-11.txt

2020-02-28 Thread Tengfei Chang
ternet-Drafts > directories. > This draft is a work item of the IPv6 over the TSCH mode of IEEE 802.15.4e > WG of the IETF. > > Title : 6TiSCH Minimal Scheduling Function (MSF) > Authors : Tengfei Chang >

Re: [6tisch] Genart last call review of draft-ietf-6tisch-msf-10

2020-02-15 Thread Tengfei Chang
ed, with one small change > that will make it even better, as described next. > > In the last sentence of your proposed change, s/The algorithm of limiting > the/However, any such algorithm of limiting the/ > > Once again, thanks. > > - vijay > > On Sat, Feb 15, 2020

Re: [6tisch] Genart last call review of draft-ietf-6tisch-msf-10

2020-02-15 Thread Tengfei Chang
used to limit the traffic of broadcast > frames? Perhaps some reference could be provided to a document that > contains > these rules? > > Nits: > > - S6: s/It is calculated/The timeout value is calculated/ > > Thank you. > &

[6tisch] draft-ietf-6tisch-ietf-msf-10 is published

2019-12-13 Thread Tengfei Chang
. Thanks for handling this! Regards, Tengfei -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tchang.org/ —— ___ 6tisch mailing list 6tisch@ietf.org https

Re: [6tisch] I-D Action: draft-ietf-6tisch-msf-10.txt

2019-12-13 Thread Tengfei Chang
rectories. > This draft is a work item of the IPv6 over the TSCH mode of IEEE 802.15.4e > WG of the IETF. > > Title : 6TiSCH Minimal Scheduling Function (MSF) > Authors : Tengfei Chang > Malisa Vucinic >

Re: [6tisch] WGLC on draft-ietf-6tisch-msf-09

2019-12-13 Thread Tengfei Chang
pplied and doesn't break 1 byte storage of NumTx. Tengfei On Fri, Dec 13, 2019 at 9:57 AM Tengfei Chang wrote: > Thanks Yatch! I will have those comments integrated into next version. > > > > Original message > From: Yasuyuki Tanaka > Date: Fri, Dec 13, 2

Re: [6tisch] WGLC on draft-ietf-6tisch-msf-09

2019-12-13 Thread Tengfei Chang
Thanks Yatch!  I will have those comments integrated into next version.  Original message From: Yasuyuki Tanaka Date: Fri, Dec 13, 2019, 12:01 AMTo: Tengfei Chang Cc: 6tisch@ietf.org, yasuyuki.tan...@inria.frSubject: Re: [6tisch] WGLC on draft-ietf-6tisch-msf-09Hi Tengfei,Thank you

Re: [6tisch] hepherd write up for draft-ietf-6tisch-msf: IPR statement

2019-12-13 Thread Tengfei Chang
I am not aware of IPR that applies to this draft.Regards, Tengfei Original message From: Xavi Vilajosana Guillen Date: Fri, Dec 13, 2019, 7:57 AMTo: Mališa Vučinić Cc: "Pascal Thubert (pthubert)" , "Prof. Diego Dujovne" , tisch <6tisch@ietf.org>Subject: Re: [6tisch] hepherd write

[6tisch] WGLC on draft-ietf-6tisch-msf-09

2019-12-12 Thread Tengfei Chang
welcome to review and put comments! Regards, Tengfei -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tchang.org/ —— ___ 6tisch mailing list 6tisch@ietf.org https

Re: [6tisch] MSF adapts to traffic only for secured packets

2019-12-12 Thread Tengfei Chang
e > > *“before it is passed to the 6top sublayer where MSF can observe it.” Or > something similar?* > > > > Otherwise, all good! > > > > Pascal > > > > *From:* 6tisch <6tisch-boun...@ietf.org> *On Behalf Of *Tengfei Chang > *Sent:* jeudi 12 décembre

Re: [6tisch] MSF adapts to traffic only for secured packets

2019-12-12 Thread Tengfei Chang
very good to me. It resolves my concerns. >> >> Best, >> Yatch >> >> On 12/12/2019 6:01 AM, Tengfei Chang wrote: >> > Cool! Thanks for the additional info! Integrated as well! >> > >> > On Thu, Dec 12, 2019 at 4:55 PM Pascal Thubert (pthubert) &g

Re: [6tisch] MSF Shepherd review

2019-12-07 Thread Tengfei Chang
itself. I’d > reword to say that the distribution of traffic over multiple parents is a > routing decision that is out of scope for MSF... > > > Regards, > > Pascal > > Le 6 déc. 2019 à 12:01, Tengfei Chang a écrit : > >  > I will add the following text at the in

Re: [6tisch] MSF adapts to traffic only for secured packets

2019-12-06 Thread Tengfei Chang
On Fri, Dec 6, 2019 at 9:31 PM Yasuyuki Tanaka wrote: > Hi Pascal, Tengfei, > > On 12/6/2019 6:48 PM, Tengfei Chang wrote: > > Yes, MSF indeed aware of the routing information such as RPL parent, I > > consider this is like an information stored at IPv6 layer that MSF

Re: [6tisch] MSF Shepherd review

2019-12-06 Thread Tengfei Chang
ement, > they would just confuse future readers. > > I think, Pascal has a different opinion. > > Best, > Yatch > -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tchang.org/ ——

Re: [6tisch] MSF Shepherd review

2019-12-06 Thread Tengfei Chang
; still a direction so it’s doable just need to agree that the parent is > towards the destination. > > All the best, > > Pascal > > > > Best, > > Yatch > > > > ___ > > 6tisch mailing list > > 6tisch@ietf.org > > https://www.ietf.org/mailman/listinfo/6tisch > ___ > 6tisch mailing list > 6tisch@ietf.org > https://www.ietf.org/mailman/listinfo/6tisch > -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tchang.org/ —— ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

Re: [6tisch] MSF adapts to traffic only for secured packets

2019-12-06 Thread Tengfei Chang
OW the IP layer passes an IP packet to the lower layer (6top), and 6top > needs to assign the packet to a bundle. Once that is done, if the bundle is > managed by MSF, then MSF observes the transmission. Same goes for incoming > traffic. > > > > Do you want me to provide the sent

[6tisch] MSF adapts to traffic only for secured packets

2019-12-05 Thread Tengfei Chang
! Tengfei -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tchang.org/ —— ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

Re: [6tisch] MSF Shepherd review

2019-11-29 Thread Tengfei Chang
hub...@cisco.com> wrote: > Hello Tengfei > > > Please see below > > Le 27 nov. 2019 à 21:44, Tengfei Chang a écrit : > >  > Thanks a lot for the reviewing, I responded inline: > > On Mon, Nov 25, 2019 at 6:42 PM Pascal Thubert (pthubert) < > pthub...@cisco.com&

Re: [6tisch] MSF Shepherd review

2019-11-27 Thread Tengfei Chang
easy > to compute the slot offset of autocells for self and parent and avoids > those. Why not do that? > TC: agreed! Will apply in the next version. > > > > > > > Section 16 will require more attention, either now or during secdir > review, probably both. You should start now. Think, say, what if an > attacker claims many cells to all its neighbors? Can it attack someone’s > autocells to block him? > TC: That's a good question! It may have a chance to do so. We need discuss internally on this section. Thanks for belling ahead! > > > > > > > Voila! > > > > Pascal as shepherd. > > > > > > > > > > > > > ___ > 6tisch mailing list > 6tisch@ietf.org > https://www.ietf.org/mailman/listinfo/6tisch > -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tchang.org/ —— ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

Re: [6tisch] Yatch's review on draft-ietf-6tisch-msf-08 - Re: MSF review

2019-11-27 Thread Tengfei Chang
t the 6P Transaction. Issue a 6P CLEAR command to > draft> that neighbor (this command may fail at the link layer). > draft> Remove all cells scheduled with that neighbor from the > draft> local schedule. Keep that node in the neighbor and routing > draft>

[6tisch] Fwd: I-D Action: draft-ietf-6tisch-msf-08.txt

2019-11-04 Thread Tengfei Chang
uthors : Tengfei Chang Malisa Vucinic Xavier Vilajosana Simon Duquennoy Diego Dujovne Filename: draft-ietf-6tisch-msf-08.txt Pages : 19 Date

[6tisch] new version of msf is read for WGLC

2019-10-17 Thread Tengfei Chang
version is ready for WGLC. Please let us know if any further changes are required! Thanks! MSF authors -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tcahng.org

Re: [6tisch] validating the downstream traffic adaptation in draft-ietf-6tisch-msf-06

2019-10-17 Thread Tengfei Chang
> >The num_transmissions for target is calculated for negotiated tx cells. > > > > I see. It make sense especially on the last sudden drop of > target_num_transmissions in the figure. > > In this case, there is only one num_tx_cell. It hit 256 then drop to 128. > > >

Re: [6tisch] validating the downstream traffic adaptation in draft-ietf-6tisch-msf-06

2019-10-16 Thread Tengfei Chang
d by exactly 1, regardless of whether the cell is used to transmit/receive a frame. 4. Why the target node was chosen to be a neighbor of Dagroot out of 36 > nodes in the network? > The goal of the figure is to show the behaviors of downstream traffic adaptation. Ping to a first

Re: [6tisch] Clarification on MSF-06

2019-10-11 Thread Tengfei Chang
, but > mentions signalling messages, which may confuse users. > > Best regards > AB > > On Fri, Oct 11, 2019 at 3:41 PM Tengfei Chang > wrote: > >> Hi Christian, >> >> Thanks for pointing this issue out! >> The neighbor polling section is re

Re: [6tisch] Clarification on MSF-06

2019-10-11 Thread Tengfei Chang
tract amendment, or > an acceptance of a contract offer unless explicitly and conspicuously > designated or stated as such. > > > ___ > 6tisch mailing list > 6tisch@ietf.org > https://www.ietf.org/mailman/listinfo/6tisch > -- —— Dr. Tengfei, Chang Postdoctoral Research Engineer, Inria www.tcahng.org —— ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

Re: [6tisch] downstream traffic adaptation

2019-10-08 Thread Tengfei Chang
t;- Downward traffic adaptation > > Were discussed and there was no objection. Do you fell ready for WGLC now? > > > > All the best > > > > Pascal > > > > *From:* 6tisch <6tisch-boun...@ietf.org> *On Behalf Of *Tengfei Chang > *Sent:* vendredi 4 o

[6tisch] 6P Timeout in MSF

2019-08-23 Thread Tengfei Chang
concerns on the 6P Timeout are - do you think this is an issue or not - if yes, what's your suggestion? Thanks! Tengfei -- Chang Tengfei, Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman

[6tisch] downstream traffic adaptation

2019-08-23 Thread Tengfei Chang
are integrated into version 06 content. You can read it to check exactly how we did the changes. Please let me know if you have comments on them. Thanks! Tengfei -- Chang Tengfei, Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org https

[6tisch] cell rules in MSF

2019-08-23 Thread Tengfei Chang
from the candidate pool directly when required. Please let me know if you have any comments on this fix. Thanks! Tengfei -- Chang Tengfei, Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman

Re: [6tisch] moving on with MSF

2019-08-23 Thread Tengfei Chang
Hi Pascal, The two issues mentioned in the IETF 105 meeting are - Rules for CellList - Downward traffic adaptation Those two issues are resolved in new version published msf-06. I will create threads for those issues to clear how they are resolved. Thanks for reminder! Tengfei On Fri,

Re: [6tisch] draft-ietf-6tisch-msf-06 is published

2019-08-14 Thread Tengfei Chang
co > Founder & co-lead, UC Berkeley OpenWSN > Co-chair, IETF 6TiSCH > > www.thomaswatteyne.com > > > -- > > *De: *"tengfei chang" > *À: *"6tisch" <6tisch@ietf.org> > *Envoyé: *Lun

[6tisch] draft-ietf-6tisch-msf-06 is published

2019-08-12 Thread Tengfei Chang
. For the 1st reason, the node may try to send another 6P request later. For the 2nd reason, the node may switch to another parent but it's layer violated. Any solutions for this case? Tengfei -- Chang Tengfei, Postdoctoral Research Engineer, Inria

Re: [6tisch] New datatracker feature: Allow presenters to upload slides

2019-07-17 Thread Tengfei Chang
Hi Pascal, Thanks for notification! I just pushed the PDF version but don't know how to remove the previous uploaded slides. Could you check that? Thanks! Tengfei On Wed, Jul 17, 2019 at 4:51 PM Pascal Thubert (pthubert) < pthub...@cisco.com> wrote: > Dear all: > > > > On the side, please

Re: [6tisch] call for review: draft-ietf-6tisch-msf-04

2019-07-17 Thread Tengfei Chang
nefficient. If the cells are not used a lot it will take time. I disagree > that it can be the sole procedure to avoid collisions. > > > > All the best, > > > > Pascal > > > > *From:* Tengfei Chang > *Sent:* mercredi 17 juillet 2019 06:12 > *To:* Pasc

Re: [6tisch] call for review: draft-ietf-6tisch-msf-04

2019-07-17 Thread Tengfei Chang
larger value of MAX_NUMCELLS indeed > introduces higher latency." Maybe "a larger value"? > TC: Thanks for pointing them out, will be fixed in the next version! > > Kind regards, > Esteban > > On Tue, 2019-07-02 at 12:57 +0200, Tengfei Chang wrote: > > Dear a

Re: [6tisch] call for review: draft-ietf-6tisch-msf-04

2019-07-17 Thread Tengfei Chang
Hi Pascal, For the synchronization, I agree. It should be listening for a certain period of time and then choose which EB to use for synchronizing. Will update in the next version. For the rule of celllist: - > Not the same problem. Think about this, where does the list of free cells come

Re: [6tisch] call for review: draft-ietf-6tisch-msf-04

2019-07-10 Thread Tengfei Chang
Hi Pascal, On Mon, Jul 8, 2019 at 3:08 PM Pascal Thubert (pthubert) wrote: > Hello Tengfei > > tions address is correct. Thanks! > > > > > > “ > >During this step, the pledge MAY synchronize to any EB it receives > >from the network it wishes to join. > > “ > > In TSCH, time creates an

Re: [6tisch] call for review: draft-ietf-6tisch-msf-04

2019-07-08 Thread Tengfei Chang
e RTO in RFC6298. In stead of traffic congestion control, the Timeout here is mostly influenced by one hop link quality. > > > > > “ > > > >| IANA_6TISCH_SFID_MSF | Minimal Scheduling Function | RFC | > >| | (MSF)

Re: [6tisch] call for review: draft-ietf-6tisch-msf-04

2019-07-08 Thread Tengfei Chang
> Although managing the counters for each neighbor is conceptually > > simple, I admit it might be too much overhead for constrainted nodes. > Thanks for the comments! However, along the network time, the node won't send upper layer packet s to non-parent neighbor. In case of switching parent, the t

Re: [6tisch] call for review: draft-ietf-6tisch-msf-04

2019-07-08 Thread Tengfei Chang
Thanks a lot Yatch for reviewing the draft. I will reply inline: On Tue, Jul 2, 2019 at 2:58 PM Yasuyuki Tanaka wrote: > Thank you, Tengfei and the other authors, for the update! > > Here are my comments: > > [Major] Negotiated RX cell (Section 4.6) > >

[6tisch] call for review: draft-ietf-6tisch-msf-04

2019-07-02 Thread Tengfei Chang
version before the submission deadline. During the time, we will evaluate the v4 MSF and would like to have your comments as well. Thanks in advance! Tengfei -- Chang Tengfei, Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org

Re: [6tisch] MSF and RPL

2019-05-22 Thread Tengfei Chang
Hi Koojana, It's true that MSF works with RPL closely. And it's mainly designed for upstream traffic. As you mentioned, MSF could be extended by having autonomous cell to any potential neighbors that the node intend to have packet exchanged with. The concept of parent/upstream node could be

Re: [6tisch] MSF draft - minimal cell

2019-05-17 Thread Tengfei Chang
Good catch! It's probably written because in an old version when we send join request/response on the minimal cell. We will remove this sentence in next version. Thanks! Tengfei On Fri, May 17, 2019 at 3:53 PM Koojana Kuladinithi < koojana.kuladini...@tuhh.de> wrote: > Hi > > MSF draft in

Re: [6tisch] [Call for Review] draft-ietf-6tisch-msf-03

2019-04-23 Thread Tengfei Chang
6P ADD request is always (?) Tx=1 > > RX=0, there is no downstream managed cells. As a result, downstream > > packets such as DAO-ACK have to use AutoDownCell or the minimal > > cell. I think we should have downstream cells, too. > > > > > > Best regards, > &g

Re: [6tisch] Review of draft-ietf-6tisch-msf-03

2019-04-17 Thread Tengfei Chang
at 4:58 PM Tengfei Chang wrote: > Hi Yatch, > > Thanks for the reviewing! I will reply your comments inline. > > On Tue, Apr 9, 2019 at 2:03 PM Yasuyuki Tanaka > wrote: > >> Thank you, the authors! >> >> I confirmed most of my comments to the previous version

Re: [6tisch] Review of draft-ietf-6tisch-msf-03

2019-04-17 Thread Tengfei Chang
Hi Yatch, Thanks for the reviewing! I will reply your comments inline. On Tue, Apr 9, 2019 at 2:03 PM Yasuyuki Tanaka wrote: > Thank you, the authors! > > I confirmed most of my comments to the previous version have been > addressed. It reads better :-) > > Here are my comments: two comments

Re: [6tisch] [Call for Review] draft-ietf-6tisch-msf-03

2019-04-17 Thread Tengfei Chang
not referenced in > the main text. > > - There are a number of typos in the text, for example: > Boradcast -> Broadcast > maxmium -> maximum > calcualted -> calculated > bewteen -> between > > Best regards, > Atis > > > > On Tue, Apr 9, 201

Re: [6tisch] [Call for Review] draft-ietf-6tisch-msf-03

2019-04-17 Thread Tengfei Chang
( I accidentally sending the email before finishing) the reply continues inline... On Wed, Apr 17, 2019 at 1:57 PM Tengfei Chang wrote: > Hi Fabrice, > > Thanks a lot for your detailed comments! I will reply them inline below. > > On Tue, Apr 9, 2019 at 11:39 AM Fabrice The

Re: [6tisch] [Call for Review] draft-ietf-6tisch-msf-03

2019-04-17 Thread Tengfei Chang
hen, everything is fine. The PDR will take a long > time > FT> to reflect the actual PDR. The cell may be RELOCATED erroneously. > FT> (the collision may have been solved meanwhile by the conflicting link) > > FT> Is it something you considered? > > ——— > towards it prefer

[6tisch] [Call for Review] draft-ietf-6tisch-msf-03

2019-04-08 Thread Tengfei Chang
MSF! Any comments and feedback are appreciated! Tengfei -- Chang Tengfei, Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

[6tisch] Review on draft-tiloca-6tisch-robust-scheduling-01

2019-04-04 Thread Tengfei Chang
cell. Tengfei -- Chang Tengfei, Pre-Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

Re: [6tisch] Thomas' review of draft-ietf-6tisch-msf-02

2019-03-26 Thread Tengfei Chang
Thanks for the comments! Generally, all comments are taken. I will fix them in the next version! Tengfei On Mon, Mar 25, 2019 at 7:59 AM Thomas Watteyne wrote: > Authors, > > Please find below my review of draft-ietf-6tisch-msf-02. It's a patch > file to the txt version of the draft. > > You

[6tisch] OpenWSN project will be presented during Hackdemo Happy Hour!

2019-03-25 Thread Tengfei Chang
to ask us questions! Tengfei -- Chang Tengfei, Pre-Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

Re: [6tisch] Comments on draft-ietf-6tisch-msf-02 - Re: draft-ietf-6tisch-msf-02.txt is published

2019-03-21 Thread Tengfei Chang
Hi Yatch, Thanks for the following-up comments! I replied inline below. On Thu, Mar 21, 2019 at 4:25 PM Yasuyuki Tanaka wrote: > Thank you, Tengfei. > > Additional and following-up comments: > > > [Section 5.1, what to do after timeout of a 6P transaction] >

Re: [6tisch] Comments on draft-ietf-6tisch-msf-02 - Re: draft-ietf-6tisch-msf-02.txt is published

2019-03-18 Thread Tengfei Chang
Thanks a lot Yatch, for the comments! I will answer your comments inline. On Mon, Mar 18, 2019 at 3:50 PM Yasuyuki Tanaka wrote: > Hi, > > Thank you, Tengfei and the other authors, for updating the draft! > > I'm sharing my comments on the latest version. > >

[6tisch] draft-ietf-6tisch-msf-02.txt is published

2019-03-11 Thread Tengfei Chang
Dear all, draft-ietf-6tisch-msf-02.txt is just published. The main changes made in this version are - Resolve the issues in Pending Elements section. - Using autonomous SHARED and non-SHARED cells. - Overall revised the specification. Additional information about how the issues in

[6tisch] OpenWSN project will be presented during the hackathon!

2019-03-11 Thread Tengfei Chang
Dear all, We am happy to announce that OpenWSN project is going to present during the hackathon! We are targeting to show: - OpenTestbed: a simple but elegant Testbed - A 40 nodes 6TiSCH network running over OpenTestbed with OpenWSN implementation - An OpenBenchmark platform

[6tisch] [MSF] Suggestion from simulation and experiment result

2018-11-09 Thread Tengfei Chang
when the node has a parent, DIO should be sent after when one managed Tx cell is installed to the parent Regards, Tengfei -- Chang Tengfei, Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman

Re: [6tisch] Comments on draft-ietf-6tisch-minimal-security-06

2018-07-17 Thread Tengfei Chang
Hi Malisa and Tero, Thanks for answering my question! It is clear to me! I don't fully understand. Do you mean in which case would a node send > another Join Request, if it has already completed the join process sometime > before and obtained the L2 encryption keys? > My question is exactly

[6tisch] Comments on draft-ietf-6tisch-minimal-security-06

2018-07-09 Thread Tengfei Chang
- slotframe length - number of links - link information (slotoffset, channeloffset, type) Is there anything else we should also add? Tengfei -- Chang Tengfei, Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org

[6tisch] Fwd: New Version Notification for draft-chang-6tisch-msf-02.txt

2018-07-02 Thread Tengfei Chang
-- Forwarded message -- From: Date: Mon, Jul 2, 2018 at 6:37 PM Subject: New Version Notification for draft-chang-6tisch-msf-02.txt To: Malisa Vucinic , Simon Duquennoy , Xavier Vilajosana , Diego Dujovne < diego.dujo...@mail.udp.cl>, Tengfei Chang A new version of I-D,

Re: [6tisch] Question/Comment on draft-chang-6tisch-6top-msf

2017-11-15 Thread Tengfei Chang
Hi John, Before switching parent, the node still can keep synchronized to it's old parent through the TXRXSHARED cell. That cell is only shared between the node and its parent. The keepalive on TXRXSHARED cell should be able to keep the node synchronized. Tengfei On Wed, Nov 15, 2017 at 12:34

Re: [6tisch] Questions on draft-chang-6tisch-6top-msf

2017-11-13 Thread Tengfei Chang
Hi Esteban, I replied inline :-) On Mon, Nov 13, 2017 at 8:19 PM, Esteban Municio < esteban.muni...@uantwerpen.be> wrote: > Hi, > > After reading the draft I have some small comments. > > When requesting the first 6P ADD, the CellsOptions are TX=1,RX=1,SHARED=1 > which means that the cell is

Re: [6tisch] Agenda, 6TiSCH WG interim, November 3rd, 2017

2017-11-01 Thread Tengfei Chang
All, Here is the msf draft which has been submitted at here: https://datatracker.ietf.org/doc/draft-chang-6tisch-msf/ Tengfei On Tue, Oct 31, 2017 at 1:17 PM, Tengfei Chang <tengfei.ch...@inria.fr> wrote: > Diego, All, > > Because of my mistake, I failed to submit th

Re: [6tisch] Agenda, 6TiSCH WG interim, November 3rd, 2017

2017-10-31 Thread Tengfei Chang
you have another link in the meantime (e.g. a > WIP in bitbucket) ? > > > > Thanks in advance > > > > Pascal > > > > *From:* Tengfei Chang [mailto:tengfei.ch...@inria.fr] > *Sent:* mardi 31 octobre 2017 13:17 > *To:* Prof. Diego Dujovne <diego.dujo...@mail.u

Re: [6tisch] Agenda, 6TiSCH WG interim, November 3rd, 2017

2017-10-31 Thread Tengfei Chang
Note-Well, Blue Sheets, Scribes, Agenda Bashing [ 5min] >> >> * Status of the work[ 5min] >> >> * IETF 100 prep (chairs) [15min] >> >> * draft-ietf-6tisch-minimal-security (

Re: [6tisch] new command for 6P

2017-07-19 Thread Tengfei Chang
I like the idea! On Wed, Jul 19, 2017 at 9:03 PM, Pascal Thubert (pthubert) < pthub...@cisco.com> wrote: > Makes sense to me J > > > > *From:* 6tisch [mailto:6tisch-boun...@ietf.org] *On Behalf Of *Xavi > Vilajosana Guillen > *Sent:* mercredi 19 juillet 2017 19:23 > *To:* tisch <6tisch@ietf.org>

Re: [6tisch] First version of 4th 6TiSCH plugfest test description

2017-06-09 Thread Tengfei Chang
raffic (ping, EB, etc) will result is frames being exchanged between > neighbor, which allows us to verify timing inside the timeslot, no? > > Probably missing something, > > Thomas > > On Fri, Jun 9, 2017 at 3:47 PM, Tengfei Chang <tengfei.ch...@inria.fr> > wr

Re: [6tisch] First version of 4th 6TiSCH plugfest test description

2017-06-09 Thread Tengfei Chang
Remy, The draft looks great! Thanks for updating! I have reviewed the draft and have one comment on the test: TD_6TiSCH_FORMAT_02 It says a ping echo request packet is used to test the timing template. I think we shouldn't use layer 3 packets to test layer 2 behaviors. What other layer 2

Re: [6tisch] 6P "design team" session this Friday, same time as interim meeting

2016-12-15 Thread Tengfei Chang
@Thomas, Thanks a lot for the meeting! @Yatch, I like your comments. Looking forwarding to discuss on it. Here are two more comments(tiny) from my side : [slide-17] ppt>*Section 4.3*: do we wait for a link-layer ACK on the Response (or Confirmation) before committing the transaction? ppt> à

Re: [6tisch] [6TiSCH] Node Behavior at Boot in SF0

2016-11-16 Thread Tengfei Chang
e. To resolve >> such a possible inconsistency, the node issues CLEAR to each of its >> neighbors. >> >> Best, >> Yatch >> >> On 2016/11/02 15:29, Tengfei Chang wrote: >> >>> All, >>> >>> For the decision when a node is

[6tisch] [6TISCH] RELOCATE command in sixtop?

2016-11-02 Thread Tengfei Chang
is added through relocation or not. SF0 may take different decision. What do you think? Tengfei -- Chang Tengfei, Pre-Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

[6tisch] [6TiSCH] Node Behavior at Boot in SF0

2016-11-02 Thread Tengfei Chang
is DO NOT issue a clear command to previous parent until the nodes has reserved new cells to its new parent. This is to avoid the swing if the reservation failed to its new parent and changed back to previous parent. What do you think? Tengfei -- Chang Tengfei, Pre-Postdoctoral Research Engineer,

[6tisch] [6TISCH] Specify the number of cells to be added or deleted in SF0

2016-11-02 Thread Tengfei Chang
lt;(SCHEDULEDCELLS-SF0THRESH)) 1. When required cells equals 0, remove all cells but keep one in schedule 2. when required cells is greater than 0, remove SCHEDULEDCELLS- REQUIREDCELLS-(SF0THRESH+1)/2 Does this make sense? Tengfei -- Chang Tengfei, Pre-Postdoctoral Resear

Re: [6tisch] [6TiSCH] return code in 6p response defined in sixtop draft

2016-10-04 Thread Tengfei Chang
Hi Professor, all Probably there is no overlap between specific error code. But some concept of the error code is not that clear for me. = In section 4.3.8 about aborting a 6P Transaction: 4.3.8

Re: [6tisch] [minimal] rank calculation when numTxACK is zero

2016-05-30 Thread Tengfei Chang
; parent is currently over this threshold value. > For instance, is an ETX of 1.5 reasonable? (PDR = 66%) > > Best regards, > Fabrice > > > > > Le 28 mai 2016 à 04:48, Tengfei Chang <tengfei.ch...@gmail.com> a écrit : > > Dear all, > > The Op

[6tisch] [minimal] rank calculation when numTxACK is zero

2016-05-27 Thread Tengfei Chang
at do you think? Tengfei -- Chang Tengfei, Pre-Postdoctoral Research Engineer, Inria ___ 6tisch mailing list 6tisch@ietf.org https://www.ietf.org/mailman/listinfo/6tisch

Re: [6tisch] 6P and Sf0 issue: Token to identify transactions in 6P

2016-03-13 Thread Tengfei Chang
> for more. But with the token / seqnum we are open if one day we decide >> otherwise… >> >> >> >> Take care, >> >> >> >> Pascal >> >> >> >> *From:* Qin Wang [mailto:qinwang6...@yahoo.com] >> *Sent:* mercredi 9 mar

Re: [6tisch] 6P and Sf0 issue: Examples of error handling

2016-03-10 Thread Tengfei Chang
e allowed during a 6P transaction: This > increases > delay, but reduces complexity. > What do you think? > Regards, > > Diego > > > > > > 2016-03-04 6:00 GMT-03:00 Tengfei Chang <tengfei.ch...@gmail.com>: > >>

Re: [6tisch] [6lo] Compression Reference and Coalescence

2016-01-26 Thread Tengfei Chang
; > > > *From:* 6lo [mailto:6lo-boun...@ietf.org] *On Behalf Of *Tengfei Chang > *Sent:* lundi 25 janvier 2016 12:00 > *To:* 6tisch@ietf.org; 6...@ietf.org > *Subject:* [6lo] Compression Reference and Coalescence > > > > Dear all, > > > > I have some

  1   2   >