A private network provided on a public network infrastructure. An IP-VPN is a VPN provided over the Internet. A protocol that enables mobile phones equipped with the appropriate browser to access Web pages from the public Internet. A technology that enables lightwaves of different wavelength to be multiplexed down a single optical fibre, resulting in the creation of 16 or more 'virtual' fibres. A series of interlinked computer documents 'marked up' with HTML to display text, graphics, images and sound.
Users browse the documents via a graphical user interface.
Web sites are like multimedia magazines, with interactive features and links to related sites.