TAB> Date: Mon, 5 Jan 2009 11:54:06 -0500 TAB> From: "BATTLES, TIMOTHY A (TIM), ATTLABS" TAB> assuming your somewhat scaled, I would think this could all be done TAB> in the lab. And end up with a network that works in the lab. :-) - bw * delay - effects of flow caching, where applicable - jitter (esp. under load) - packet dups and loss (esp. under load) - packet reordering and assiciated side-effects - upstream/sidestream throughput (esp. under load) No, reality is far more complex. Some things do not lend themselves to _a priori_ models, nor even "TFAR" generalizations. Eddy -- Everquick Internet - http://www.everquick.net/ A division of Brotsman & Dreger, Inc. - http://www.brotsman.com/ Bandwidth, consulting, e-commerce, hosting, and network building Phone: +1 785 865 5885 Lawrence and [inter]national Phone: +1 316 794 8922 Wichita ________________________________________________________________________ DO NOT send mail to the following addresses: davidc@brics.com -*- jfconmaapaq@intc.net -*- sam@everquick.net Sending mail to spambait addresses is a great way to get blocked. Ditto for broken OOO autoresponders and foolish AV software backscatter.