[j-nsp] RSVP to LDP migration

[Thedin Guruge]

Hi,

Yes you could activate LDP everywhere, i.e on all links but you may also
want to run "per Link" single hop RSVP LSP between directly connected peers
with "ldp-tunnelling" enabled. This will activate LDPoverRSVP hence traffic
can be protected by FRR link protection when passes through these links. The
fact that Junos uses php by default means these single hop LSPs won't really
be adding another label (i.e additional 4byte overhead) on top of the LDP
label unless FRR is active.

hope this helps,

Regards,

Thedin

On Thu, Jul 28, 2011 at 3:35 AM, Stefan Fouant <
sfouant at shortestpathfirst.net> wrote:

> On 7/27/2011 9:41 AM, Phil Bedard wrote:
>
>> It's fairly simple.  Just turn up LDP everywhere, make sure the LDP paths
>> exist in inet.3 and then turn off RSVP or set the preference on RSVP
>> higher.   You can tunnel LDP over RSVP so if you are just adding gear to
>> the edge of the existing network it may be easier to turn on LDPoRSVP and
>> just run LDP on interfaces at the edge.
>>
>
> Just an FYI, the book 'Network Mergers and Migrations' by Gonzalo Gómez
> Herrero and Jan Antón Bernal van der Ven provides excellent coverage of the
> subject matter and has a whole chapter dedicated to migration of label
> distribution protocols.
>
> http://www.amazon.com/gp/**product/0470742372/ref=as_li_**
> ss_tl?ie=UTF8&tag=short0e-20&**linkCode=as2&camp=217145&**
> creative=399369&creativeASIN=**0470742372<http://www.amazon.com/gp/product/0470742372/ref=as_li_ss_tl?ie=UTF8&tag=short0e-20&linkCode=as2&camp=217145&creative=399369&creativeASIN=0470742372>
>
> Stefan Fouant
> JNCIE-ER, JNCIE-M, JNCIE-SEC, JNCI
> Technical Trainer, Juniper Networks
> http://www.shortestpathfirst.**net <http://www.shortestpathfirst.net>
> http://www.twitter.com/sfouant
>
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