[j-nsp] Separate internet transit network versus converged

[Mark Tees]

Will check those out. Thank you!

On Tuesday, 29 March 2016, chip <chip.gwyn at gmail.com> wrote:

> Juniper has a "This Week" book freely available that discussess, in
> detail, the path of a packet through an MX.  It's quite an informative read.
>
>
> http://www.juniper.net/us/en/training/jnbooks/day-one/networking-technologies-series/packet-walkthrough-mx-series/
>
> This Week: An Expert Packet Walkthrough on the MX Series 3D provides the
> curious engineer with a global view of the short life (a few milliseconds)
> of packets inside the Juniper Networks MX Series of 3D routers.
>
> Cisco had a CEF book that was pretty decent too.
>
> --chip
>
> On Tue, Mar 29, 2016 at 7:58 AM, Mark Tees <marktees at gmail.com
> <javascript:_e(%7B%7D,'cvml','marktees at gmail.com');>> wrote:
>
>> I watched a video the other day describing the manufacturing process Cisco
>> used for the UADP ASIC does that count? ;)
>>
>> I think it's actually a missing part of the puzzle in most training
>> material but possibly because previously it has been something vendors
>> don't talk about much?
>>
>> On Tuesday, 29 March 2016, Adam Vitkovsky <Adam.Vitkovsky at gamma.co.uk
>> <javascript:_e(%7B%7D,'cvml','Adam.Vitkovsky at gamma.co.uk');>>
>> wrote:
>>
>> > > Saku Ytti [mailto:saku at ytti.fi
>> <javascript:_e(%7B%7D,'cvml','saku at ytti.fi');> <javascript:;>]
>> > > Sent: Monday, March 28, 2016 12:24 PM
>> > >
>> > > On 28 March 2016 at 13:32, Adam Vitkovsky
>> > > <Adam.Vitkovsky at gamma.co.uk
>> <javascript:_e(%7B%7D,'cvml','Adam.Vitkovsky at gamma.co.uk');>
>> <javascript:;>> wrote:
>> > >
>> > > > Public means exposed to whims of the wild Internet, that is in both
>> > data
>> > > rates (DDoS) and updates (Malformed BGP updates) something you can't
>> > > control.
>> > > > Private means very good control over traffic rates and control plane
>> > > > (number of updates,...)
>> > >
>> > > QoS should guarantee that Internet DDoS does not hurt L3 MPLS VPN. And
>> > > BGP free core should guarantee that core does not core(SIC) on random
>> BGP
>> > > UPDATE.
>> > >
>> > Hey Saku,
>> >
>> > Yes please, with BGP free core one usually relies on RRs and my point is
>> > that it's a good practice to run separate BGP process/RR (or at least
>> > sessions) for public control plane so malformed update that would god
>> > forbid cause iBGP session reset won't affect private control-plane
>> sessions.
>> >
>> > With regards to QOS,
>> > In my opinion QOS is just a small piece in the puzzle (as a meter of
>> fact
>> > it's not even the first thing that matters when a packet hits the box)
>> and
>> > I think that one has to be well versed with how an ideal data-plane
>> > architecture looks like in order to be able to assess the HW
>> capabilities
>> > and all the chokepoints across the chassis at hand correctly. Only then
>> one
>> > can tell whether a particular HW fits the design requirements. There are
>> > cases were one doesn't need to bother but designing a converged network
>> is
>> > not one of them.
>> >
>> > That said, I'd like to encourage all folks on the list to get educated
>> in
>> > how routers work, it's fun trust me. I find it striking how much we know
>> > about how control-plane works (SR, BGP, ISIS ...) but so little about a
>> > life of a packet through the data-plane, even though a great deal of
>> info
>> > is available online (though don't expect any fancy certificates for
>> knowing
>> > this stuff). Every time I ask a data-plane question on the list I get
>> > little relevant info and Saku is basically the only one whom I may
>> discuss
>> > these topics with except the vendor folks.
>> >
>> > adam
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >         Adam Vitkovsky
>> >         IP Engineer
>> >
>> > T:      0333 006 5936
>> > E:      Adam.Vitkovsky at gamma.co.uk
>> <javascript:_e(%7B%7D,'cvml','Adam.Vitkovsky at gamma.co.uk');>
>> <javascript:;>
>> > W:      www.gamma.co.uk
>> >
>> > This is an email from Gamma Telecom Ltd, trading as “Gamma”. The
>> contents
>> > of this email are confidential to the ordinary user of the email
>> address to
>> > which it was addressed. This email is not intended to create any legal
>> > relationship. No one else may place any reliance upon it, or copy or
>> > forward all or any of it in any form (unless otherwise notified). If you
>> > receive this email in error, please accept our apologies, we would be
>> > obliged if you would telephone our postmaster on +44 (0) 808 178 9652
>> or
>> > email postmaster at gamma.co.uk
>> <javascript:_e(%7B%7D,'cvml','postmaster at gamma.co.uk');> <javascript:;>
>> >
>> > Gamma Telecom Limited, a company incorporated in England and Wales, with
>> > limited liability, with registered number 04340834, and whose registered
>> > office is at 5 Fleet Place London EC4M 7RD and whose principal place of
>> > business is at Kings House, Kings Road West, Newbury, Berkshire, RG14
>> 5BY.
>> >
>> >
>> > _______________________________________________
>> > juniper-nsp mailing list juniper-nsp at puck.nether.net
>> <javascript:_e(%7B%7D,'cvml','juniper-nsp at puck.nether.net');>
>> <javascript:;>
>> > https://puck.nether.net/mailman/listinfo/juniper-nsp
>>
>>
>>
>> --
>> Regards,
>>
>> Mark L. Tees
>> _______________________________________________
>> juniper-nsp mailing list juniper-nsp at puck.nether.net
>> <javascript:_e(%7B%7D,'cvml','juniper-nsp at puck.nether.net');>
>> https://puck.nether.net/mailman/listinfo/juniper-nsp
>>
>
>
>
> --
> Just my $.02, your mileage may vary,  batteries not included, etc....
>


-- 
Regards,

Mark L. Tees