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

2018-07-18 Thread Mališa Vučinić
On Tue, Jul 17, 2018 at 10:25 PM Tero Kivinen wrote: > If JRC restarts and looses track who is in the network, then it cannot > send updaes, as it does not know who is in the network. I.e., in that > case all nodes need to rejoin. > How do we detect that JRC restarted at 6LBR if JRC is in the Cl

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

2018-07-18 Thread Mališa Vučinić
On Wed, Jul 18, 2018 at 2:36 AM Tengfei Chang wrote: > 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 an

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 what

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

2018-07-17 Thread Tero Kivinen
Mališa Vučinić writes: > Hence I have two questions:  > 1. in what case JRC or some entity will send such packet? > > For example if a JRC detects that some node in the network > misbehaves, generates large amount of traffic, is misconfigured or > similar. The JRC would then simply need to

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

2018-07-17 Thread Mališa Vučinić
Hi Tengfei, Thanks for your review! See my responses and proposed resolutions inline. Mališa On Mon, Jul 9, 2018 at 3:44 PM Tengfei Chang wrote: > Hi Malisa, > > I just reviewed the draft and have several comments below. > > *Comment 1: * > *--* > In section 9.3.2 when desc

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

2018-07-09 Thread Tengfei Chang
Hi Malisa, I just reviewed the draft and have several comments below. *Comment 1: * *--* In section 9.3.2 when describing link-layer key set: *When 6LBR receives this* *parameter, it MUST remove any old keys it has installed from the* *previous key set and immediately install