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1994-05-16
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DEMON INTERNET LIMITED
======================
42 Hendon Lane
Finchley
London
N3 1TT
081-349 0063 (London)
031-552 0344 (Edinburgh)
email internet@demon.net
WWW.TXT - DEMON INTERNET WWW Server and Services
Last updated 16th May 1994.
The latest version of this document is available from
ftp.demon.co.uk:/pub/doc/WWW.txt
Demon Internet provides WWW (World Wide Web) services for Internet
users and companies that want to make information available via this
medium.
WWW is designed to make the retrieval of information easier and more
flexible than is currently possible. It allows FTP, GOPHER, TELNET etc.
to be used from within it. Most WWW browsers (Mosaic and Cello) are
graphical thus information is normally displayed as text but with
graphics mixed in. More information follows at the foot of this document.
The services on offer range from simple WWW server space to a complete
design and build service for both CD-ROMS and WWW servers.
The services that can be built range from simple textual information on a
WWW page to complex catalogue CD-Roms with ordering and updates done over
the internet using Mosaic. In the non-commercial world we are currently
developing the eCity and eCity Cafe in collaboration with the Artec and
the ICA in London, showing the wide diversity of applications these new
tools can encompass.
Pricing
=======
The server will be available at the rate of #75 per month for 25 megabytes
of storage or #25 per month for 5 megabytes.
For Design and Build services, time is charged at #500 per day, plus VAT.
There is a substantial discount for contracted work.
We will be allowing one page free of charge per Demon site - this will be
announced shortly.
To arrange server space or consultancy mail sales@demon.net or call
Grahame Davies on 081 349 0063.
An Introduction to the HyperText/Media, WWW and Mosaic.
=======================================================
In a nutshell: there are today 10 terabytes of information available
publicly on the Internet computer network. That's probably about 10,000
times more data than would fit on your hard disk. NCSA Mosaic allows you to
tap into this information with, for most part, a point and a click.
What is hypertext?
Reading a book is typically a sequential activity. Except for occasional
cross references (e.g. ``For more information on ziggledebee, see Chapter
3''), an erstwhile trip to the index and perhaps a peek at the last page to
see if it really was the butler who did it, reading is usually turning one
page after the next.
Hypertext (and its more encompassing cousin, hypermedia) organizes
information not as a linear chain, but as an interconnected web of
associations.
The World Wide Web
The World Wide Web is a hypermedia system originated by CERN, a high energy
physics laboratory in Switzerland. Initially envisioned as a means of
easily sharing papers and data between physicists, the Web has evolved far
beyond its original intent and now includes such diverse information as
Gaelic texts, art exhibits, movie clips, and electronic magazines.
NCSA Mosaic
NCSA Mosaic, developed at the National Center for Supercomputing
Applications at the University of Illinois at Urbana-Champaign, is a
network information browser (more technically, a World Wide Web client)
that allows you to retrieve documents from the World Wide Web system.
In general terms, NCSA Mosaic is similar to Apple's Hypercard program,
except that instead of traversing information within a single document,
you're exploring the entire Internet. The online documents can contain not
only text, but also images, sounds and animations.
Why use Mosaic?
Mosaic is an Internet-based global hypermedia browser that allows you to
discover, retrieve, and display documents and data from all over the
Internet.
Mosaic is part of the World Wide Web project, a distributed hypermedia
environment originated at CERN and collaborated upon by a large, informal,
and international design and development team.
Mosaic helps you explore a huge and rapidly expanding universe of
information and gives you powerful new capabilities for interacting with
information.
What is global hypermedia?
Global hypermedia means that information located around the world is
interconnected in an environment that allows you to travel through the
information by clicking on hyperlinks -- terms, icons, or images in
documents that point to other, related documents. Any hyperlink can point
to any document anywhere on the Internet.
Using Mosiac enables your end user to be platform independent: Windows,
X-Windows, Macintosh and Amiga all currently have a version of Mosaic
available. It can retrieve its files from CDROM, Hard Drive, or a remote
computer on the internet, it does this by using URLs, Universal Resource
Locators, a way of specifying where a file or document is whether it is on
the internet or your local hard drive.
Why Demon Internet for server space.
Demon Internet is one of the three leading internet providers in the UK,
with over 5,000 UK customers, peering arrangements to the other commercial
UK providers and from the beginning of June a 512K link to the Commercial
Internet Exchange in the USA. This reults in excellent connectivity for any
prospective client wishing to make information available on the internet
for both UK and Worldwide distribution of information. Coupled with Demon's
24hr network monitoring to ensure that both machines and network
connections are available to our customers and their intended audience or
marketplace.