FW: LoadBalancing products: Cisco LocalDirector

["Roeland M.J. Meyer" <rmeyer () mhsc com>]

> -----Original Message-----
> From: ejm () onmedia com [mailto:ejm () onmedia com]
> Sent: Saturday, July 08, 2000 10:19 AM
> To: Roeland M.J. Meyer; 'Stephen Sprunk'; 'Karyn Ulriksen'
> Cc: 'North American Noise and Off-topic Gripes'
> Subject: RE: LoadBalancing products: Cisco LocalDirector
>
>
> Actually, the MSM module has been phased-out in favor of what
Cisco
> calls the "MSFC/PFC" modules for the supervisor engine.  It
performs
> silicon based L3/L4 services, rather than MSM CPU/CEF based
> forwarding.
>
> It is true that there is IOS based LB, which can be enabled on
the
> MSFC. However, the functionality is a subset of the LD.
> You'll have to
> visit Cisco to get the full scoop on the 6xxx futures for LB.
>
> You might forward this to the NANOG list, since I'm a "listen
only"
> member.
>
> As a disclaimer, I work for Cisco.
>
> Thanks!
>
> ... Erik
> ---
> Erik Murrey
>
>
> "Roeland M.J. Meyer" <rmeyer () mhsc com> wrote on Saturday July
8, 2000
> at  7:35am:
> > I heard rumor that Cisco was considering including LD
capability
> > in the 6509 MSN router module?
> >
> > > Stephen Sprunk: Friday, July 07, 2000 5:46 PM
> > >
> > > If you are using a LocalDirector with a Cat6k switch, you
can
> > > enable the
> > > Accelerated Server Load Balancing feature.  This allows the
> > Cat6k to
> > > forward the bulk of the flow (at wire speed), and lets the
LD
> > focus
> > > exclusively on the connection setup/teardown functions.
> > >
> > > For more information:
http://www.cisco.com/univercd/cc/td/doc/product/iaabu/localdir
> > > /ld33rns/l
> > > dicgd/ld3_ch04.htm#xtocid1675521
> > >
> > > S
> > >
> > >      |          |         Stephen Sprunk, K5SSS, CCIE #3723
> > >     :|:        :|:        Network Design Consultant, HCOE
> > >    :|||:      :|||:       14875 Landmark Blvd #400; Dallas,
TX
> > > .:|||||||:..:|||||||:.    Email: ssprunk () cisco com
> > >
> > >
> > > ----- Original Message -----
> > > From: "Karyn Ulriksen" <kulriksen () publichost com>
> > > To: "'Bennett Todd'" <bet () rahul net>; "Karyn Ulriksen"
> > > <kulriksen () publichost com>
> > > Cc: <nanog () merit edu>
> > > Sent: Thursday, July 06, 2000 11:40
> > > Subject: RE: LoadBalancing products: Foundry ServerIron
> > >
> > >
> > > > A friend of mine was using LD's on his service.  They do
> > > about 180mbps
> > > over
> > > > 3 locations and were running performance problems. (They
> > ended up
> > > moving to
> > > > F5's).  One of Exodus's Senior Network Engineers has seen
> > that
> > > consistenly
> > > > become problematic at about the magic 80mbps you
mentioned.
> > I spoke
> > > with a
> > > > few different neteng buddies when we started looking at
LB's
> > over a
> > > year ago
> > > > and they all told me to stay away from the LD's.  But like
> > > all of us,
> > > they
> > > > get better as they stay around longer...
> > > >
> > > > Probably, it's the same with all LB products ... you have
> > > to match the
> > > right
> > > > products with your needs.  Me, I have to go for the big
> > > scale. So I'll
> > > > sacrifice features for ability to consistently handle the
> > > traffic and
> > > > scalability.  I eliminated quite a few simply because they
> > couldn't
> > > handle
> > > > the volume, but that doesn't mean that they would work
well
> > > for a site
> > > > located in one of the big data centers.
> > > >
> > > >  -Karyn
> ....