Re: T1 and LAN performance..??

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#208

From: Dave Carr
Date: Mon, 28 Sep 1992 13:23

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In <vanepp.717617265@sfu.ca> vanepp@fraser.sfu.ca (Peter Van Epp) writes:
>One more factor to add to your list: compression in the Ethernet to T1
>bridges. We run several such links between the Universities on BCnet using
>Vitalink bridges to go from Ethernet to T1 and back, and as I recall the 
>Vitalinks use a proprietary protocol on the T1 side that does some kind of 
>data compression to boost the throughput between the two ethernets to more
>than what a staight translation of bits to T1 would imply.

To my knowledge, Vitalink only does frame truncation.  Frames shorter than 
64 bytes have the padding removed.  The companies which do true compression
on their bridges are Cryptall, Microcom, and us (Gandalf).
-- 
Dave Carr               | dcarr@gandalf.ca       | It's what you learn, 
Principal Designer      | TEL (613) 723-6500     | after you know it all,
Gandalf Data Limited    | FAX (613) 226-1717     | that counts.

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Message-ID: <1992Sep28.132325.6224@gandalf.ca>

Path: arc1-ca.pugleaf.net!sparky!uunet!utcsri!torn!cunews!hobbit.gandalf.ca!dcarr

References: <1992Sep24.204418.936@mdd.comm.mot.com> <5r#pp_g.seifert@netcom.com> <vanepp.717617265@sfu.ca>

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Newsgroups: comp.dcom.lans.misc
Path: arc1-ca.pugleaf.net!sparky!uunet!utcsri!torn!cunews!hobbit.gandalf.ca!dcarr
From: dcarr@gandalf.ca (Dave Carr)
Subject: Re: T1 and LAN performance..??
Message-ID: <1992Sep28.132325.6224@gandalf.ca>
Organization: Gandalf Data Ltd.
References: <1992Sep24.204418.936@mdd.comm.mot.com> <5r#pp_g.seifert@netcom.com> <vanepp.717617265@sfu.ca>
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Date: Mon, 28 Sep 1992 13:23:25 GMT
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