I don't know about tc, but for wireless overhead in general I've come to expect about 50% of the theoretical max.
-- Matthew Thode On Aug 9, 2011, at 9:43 PM, Pandu Poluan wrote: > Hello list! > > I am planning to deploy a GLGF (Gentoo Linux Gateway/Firewall -- a > term I just made up). Now, I'm also supposed to put in some traffic > management in it. But there are some subtleties I'd like to clarify > first. > > 1. tc bandwidth measurement > > Does tc measure bandwidth based on the wire speed (e.g., datagram size > + L4 header + IP header + L2 header), or effective throughput speed > (datagram only)? > > 2. Wireless 802.11g overhead > > Related to the above. The link I'm having to traffic-managed is a > point-to-point link (a pair of dish antennae) using 802.11g. LOS > exists, Fresnel clear. Distance is approx. 200 meters. > > With this near-ideal situation, what's the expected overhead against > the 802.11g's theoretical max of 54 Mbps? > > Thank you beforehand for any input. > > Rgds, > > > > > -- > -- > Pandu E Poluan - IT Optimizer > My website: http://pandu.poluan.info/ >
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