RE: 3gpp-analysis-05: Automatic tunneling inside 3GPP operator's network

[Pekka Savola <pekkas@netcore.fi>]

On Mon, 22 Sep 2003, Karim El-Malki (HF/EAB) wrote:
> 1) Why change "IGP/EGP" to "routing protocols"?
>    It's clear enough with IGP/EGP

Note it was "IGP/EGP routing protocols" AFAIR.

Routing protocols are all either IGP or EGP.  There is no need to spell 
out the difference.

> 2) Proposed rewrite of second parag.
>    "Routing protocols over IPv6 links"
>    We've already discussed this thoroughly
>    and there was no agreement that this
>    would be an appropriate choice to
>    solve the redundancy problem. 

One could also characterize this that there was no agreement that this is 
needed for redundancy.

> This would
>    mean recommending that an operator runs
>    an IPv4 routing protocol and in addition
>    an IPv6 routing protocol inside each tunnel.

Which is operationally Just Fine! :-)

>  > -----Original Message-----
>  > From: juha.wiljakka@nokia.com [mailto:juha.wiljakka@nokia.com]
>  > Sent: den 22 september 2003 14:02
>  > To: pekkas@netcore.fi; v6ops@ops.ietf.org
>  > Subject: RE: 3gpp-analysis-05: Automatic tunneling inside 3GPP
>  > operator's network
>  > 
>  > 
>  > 
>  >  Hi!
>  > 
>  > I don't personally have big problems with that suggested 
>  > text. If the other people
>  > on the list do not object the text change, we could move 
>  > forward with this issue.
>  > 
>  > Cheers,
>  > 	 -Juha-
>  > 
>  > -----Original Message-----
>  > From: ext Pekka Savola [mailto:pekkas@netcore.fi]
>  > Sent: 18 September, 2003 12:13
>  > To: v6ops@ops.ietf.org
>  > Subject: 3gpp-analysis-05: Automatic tunneling inside 3GPP operator's
>  > network
>  > 
>  > 
>  > Hi,
>  > 
>  > This is the previously-opened "Automatic tunneling inside 
>  > 3GPP operator's 
>  > network" case again.
>  > 
>  > substantial
>  > -----------
>  > 
>  > The issues I'm still not very confortable with:
>  > 
>  > [note: sending the second one first, because the first requires some 
>  > editing yet..]
>  > 
>  > 2) tunneling inside the 3GPP operator's network, in 
>  > particular, the last two
>  > paragraphs of section 3.2.1:
>  > 
>  >     Even a dynamic tunneling mechanism or an IGP/EGP routing protocol
>  >     based tunneling mechanism can be considered if other methods are
>  >     not suitable.
>  > 
>  >     Connection redundancy should also be noted as an important
>  >     requirement in 3GPP networks. Static tunnels on their own don't
>  >     provide a routing recovery solution for all scenarios 
>  > where an IPv6
>  >     route goes down. However, they may provide an adequate solution
>  >     depending on the design of the network and in presence of other
>  >     router redundancy mechanisms. On the other hand, IGP/EGP based
>  >     mechanisms can provide redundancy.
>  > 
>  > ==> at least, remove "IGP/EGP" (it's enough to say a routing 
>  > protocol), and
>  > rewrite the last paragraph like:
>  > 
>  >     Connection redundancy should also be noted as an important
>  >     requirement in 3GPP networks. Static tunnels on their own don't
>  >     provide a routing recovery solution for all scenarios 
>  > where an IPv6
>  >     route goes down. However, they may provide an adequate solution
>  >     depending on the design of the network and in presence of other
>  >     router redundancy mechanisms, such as routing protocols 
>  > run over IPv6 
>  >     links.
>  > 
>  > .. because "router redundancy mechanisms" is too vague, and 
>  > IGP/EGP based
>  > mechanisms are routing protocols themselves and already 
>  > included in that 
>  > context.
>  > 
>  > I'm not sure if these two edits would fix all my concerns with the 
>  > document, but with these two, it would be much better already.
>  > 
>  > -- 
>  > Pekka Savola                 "You each name yourselves king, yet the
>  > Netcore Oy                    kingdom bleeds."
>  > Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
>  > 
>  > 
>  > 
> 

-- 
Pekka Savola                 "You each name yourselves king, yet the
Netcore Oy                    kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings