[188279] in North American Network Operators' Group
Re: HP HSR Routers
daemon@ATHENA.MIT.EDU (Colton Conor)
Mon Mar 14 08:38:19 2016
X-Original-To: nanog@nanog.org
In-Reply-To: <CAP-guGWYQae3OtQgOQM3gx9gmvCZ2eS1hFqLoQC=3boi6O62Ug@mail.gmail.com>
Date: Mon, 14 Mar 2016 07:36:44 -0500
From: Colton Conor <colton.conor@gmail.com>
To: William Herrin <bill@herrin.us>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
I don't see TCAM listed either, but as large as HP is I assume they can
afford and use TCAM in their larger routers.
On Sat, Mar 12, 2016 at 1:30 PM, William Herrin <bill@herrin.us> wrote:
> On Sat, Mar 12, 2016 at 1:04 PM, Colton Conor <colton.conor@gmail.com>
> wrote:
> > I would suggest looking at the HP routing line, in North America for some
> > reason people over look them (HP's ability to get the message out is not
> > stellar). The HSR 6602-XG will push 15 Mpps with routing table sizes of
> > 4mil (ipv4) and 2mil (ipv6) there is no additional licensing for any
> > feature you want to use. With respect to implementation I have always
> felt
> > if you understand the protocol who gives a damn about the syntax... The
> MSR
> > 4060 will handle 36 Mpps with table sizes of 1mil (ipv4) and 1mil (ipv6).
> > Either solution will be cost effective.
>
> Hi Colton,
>
> My bet is that there's no TCAM. That or they're being cagey about
> their hardware architecture since I can't find a single document about
> the router that even mentions TCAM. Instead I'd bet they're doing
> software routing (radix tree) spread over "32 hardware threads" and as
> long as the bulk of your destinations are in small enough parts of the
> tree to fit cleanly in to the processor caches you'll get "up to 15
> Mpps".
>
>
> http://h20195.www2.hp.com/v2/GetDocument.aspx?docname=c04111430&doctype=quickspecs&doclang=EN_US&searchquery=&cc=us&lc=en
>
> If I'm right (I'm making guesses after all) then you should compare
> HP's offering with software-based routers from other vendors rather
> than comparing against routers which have a hardware fast path.
>
> Regards,
> Bill Herrin
>
>
> --
> William Herrin ................ herrin@dirtside.com bill@herrin.us
> Owner, Dirtside Systems ......... Web: <http://www.dirtside.com/>
>
