[dba-Tech] OnSpeed

Thanks very much for your observations Erwin. Very useful.

--
Andy Lacey
http://www.minstersystems.co.uk



--------- Original Message --------
From: Discussion of Hardware and Software issues
<dba-tech at databaseadvisors.com>
To: Discussion of Hardware and Software issues
<dba-tech at databaseadvisors.com>
Subject: RE: [dba-Tech] OnSpeed
Date: 17/03/05 10:01

>
> I was a unbeliever first, because they use compression, and compression
> is a two side  (sender/receiver) technique.
>
> After reading the "how it works" section I understood the
technique they
> use.
> Technicaly it works, but I have some questions about it.
>
> Basicly it work like this.
>
> The user requests a webpage.
> Instead of getting the page from the actual webserver, it sends a
> request via prot 7000 to the compression server of Onspeed.
> The Onspeed compression server then collects the page from the original
> webserver, compresses it.
> Then the user donwnloads the compressed page from the Onspeed server.
>
> These are my remarks.
>
> Negative:
> 1) Time is lost because you add an addtional transaction in requestion
> the webpage.
> 2) Time is lost because it needs compression at onstream server
> 3) Time is lost bcause it needs decompressing at user side.
> 4) The overall internet gets more saturated (slower) because 1 file is
> send TWICE over the internet (1x uncompressed, 1x compressed and some
> communication overhead).
> 5) Compression is already more and more build in to webservers (IIS6)
> and webbrowsers. This would mainly work on older or non compressing
> supporting systems.
> 6) Privacy, altough they claim that no spyware is installed, and this is
> probably true because they don't need it. Because every webpage and
> E-mail you see is requested at the onspeed server. They know EXACTLY
> what webpages you visite by the second, because you always get the
> webpage from onspeed, nver from the real webserver!!!
> 7) What guarante you have the pages are not changed when delivering to
> you.
> Who says that an add from x is not replaced by an ad of y???
> 8) They will need VERY SPEEDY SERVER and VERY HIGH bandwith because with
> this effect you create 1 single bottleneck....
> 9) This technique is compleetly pointless in a matter of time and has
> only his advantage as long as not all webservers have build in
> compression.
> 10) Will a 2K webpage really be THAT much faster over a broadband
> connection with al that overhead?
> 11) Compresion on picturs will probably result in a lower but
> unnoticable quality.
>
> Positive:
> 1) Most webpages are a lot of text so higly compressible.
>>>SPEED
> 2) There are a lot JPG out there that are badly
compressed.>>>SPEED
> 3) Posibly the delay caused by the rerouting and compress/decompress is
> smaller than the delay caused by the original download.>>>SPEED
> 4) Posibly a good solution for low speed dial up/GPRS connections.
> However dial up modems have build in (sometimes hardware) compression.
> Off-line compression is better than on-line(modem) compression but the
> profit is not that much..
>
>
> Erwin
>
>
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: dba-tech-bounces at databaseadvisors.com
> [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Andy Lacey
> Sent: Wednesday, March 16, 2005 10:22 AM
> To: Dba Tech
> Subject: [dba-Tech] OnSpeed
>
> Anyone know anything about www.onspeed.com ? It's compression software
> which claims to radically speed-up your browsing. Anyone any experience
> of this or similar? I'm being asked by someone and don't know any
> answers other than what their website says, all of which sounds a little
> too good to be true (awards galore).
> --
> Andy Lacey
> http://www.minstersystems.co.uk
>
>
>
>
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