Are we comparing apples with apples here ? On Fri, Feb 29, 2008 at 9:03 AM, Mark Tinka <[EMAIL PROTECTED]> wrote: > On Friday 29 February 2008, andrew colin wrote: > > > This "superiority" of Cisco /juniper on scaling may > > actually be a myth, are there any benchmarks you have > > come across ? > > Want to try running 5x 40Gbps (OC-768/STM-256) links at line > rate on a PC, or a Juniper/Cisco :-)? > > Scaling isn't only about speed. There are various other > factors that come into play when being the custodian of > such a large amount of traffic. > > Moreover, PC-based routers are similar to software routers. > They are not distributed in nature, i.e., the control plane > (housekeeping land) and forwarding plane (user traffic > land) are managed by the same micro-processors. Routers > like the 7200-VXR Cisco and below are in this category, and > is why the scalability of these platforms is typically > governed by how much CPU is used/unused, as all route > look-ups, packet switching, packet buffering, e.t.c., is > performed in software. > > At these kinds of speeds, I'm more comfortable with > purpose-built platforms, which are distributed in nature, > and employ ASIC's, programmable chips, or a combination of > both, to offer line rate and support for advanced features > when scaling up. > > Take a look at: > > http://tinyurl.com/36om88 > > for a brief analysis into software routers based on high end > PC hardware. > > Mark. >
-- "Dru" To follow the path, look to the master, follow the master, walk with the master, see through the master, become the master. (zen) _______________________________________________ LUG mailing list [email protected] http://kym.net/mailman/listinfo/lug %LUG is generously hosted by INFOCOM http://www.infocom.co.ug/ The above comments and data are owned by whoever posted them (including attachments if any). The List's Host is not responsible for them in any way. ---------------------------------------
