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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical FW: LoadBalancing products: Cisco LocalDirector
> -----Original Message----- > From: [email protected] [mailto:[email protected]] > 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" <[email protected]> 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: [email protected] > >> > >> > >> ----- Original Message ----- > >> From: "Karyn Ulriksen" <[email protected]> > >> To: "'Bennett Todd'" <[email protected]>; "Karyn Ulriksen" > >> <[email protected]> > >> Cc: <[email protected]> > >> 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 > >> > >> > >> > > > .... |