Re: [OT] testing internet performance, esp latency/drops?

From: Henning P. Schmiedehausen (
Date: Mon Oct 08 2001 - 16:30:03 EST

Larry McVoy <> writes:

>However, web browsing sucks. On about 80% of all links, there is a noticable
>hesitation, between 1-15 seconds, as it looks up the name and as it fetches
>the first page. After that point, that site will appear to be OK.

This means, that 80% of all web site operators are too dumb to
configure a web server. Is it possible that your brand spanking new T1
addresses have no reverse name resolution? Are you using a proxy?


lm@bitmover IP
"i want to surf to"
Website ""

"connect from" -> "Lookup for"
                            1-15 Second timeout, "addr not found"
                            send HTTP page to anyway.

>Before I wander off to write a test for this, I'm wondering if anyone
>knows of a test suite or a methodology which works. I was thinking

This has nothing to do with OSes, Linux or even a kernel. It is just
that most people on this net (and also most people who operate servers
or work at ISPs) are complete idiots that neither know how to operate
a webserver (set it to "name lookup off" and do address resolving for
web statistics offline) or an ip-space (how to setup a reverse

I did consulting for an ISP that has > 50 Class C networks and not
_one_ had right forward and reverse resolution [1] as I arrived there.


[1] Now it has. ;-)

Dipl.-Inf. (Univ.) Henning P. Schmiedehausen       -- Geschaeftsfuehrer
INTERMETA - Gesellschaft fuer Mehrwertdienste mbH

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