Glossary 5-3Appendix5HHTTPHypertext Transfer Protocol. The client-server TCP/IP protocol used on the WorldWide Web for the transfer of HTML (Hyper Text Mark-up Language) documentsacross the Internet.IInternet Protocol (IP)The underlying set of networking rules that describes how data is transmitted acrossthe Internet. Internet Protocol enables data from one computer to be split intopackets, and sent to another computer with a specific IP address.IP addressInternet Protocol address. A network address used by IP (Internet Protocol) to specifya computer or device on the Internet. Currently, two versions of IP are in use: IPv4and IPv6.IPv4Internet Protocol version 4. An IPv4 address is a 32-bit numeric address, usuallywritten as four numbers delimited by periods. For example, ‘128.121.4.5’.IPv6Internet Protocol version 6. An IPv6 address is 128-bit long and consists of eightgroups of four hexadecimal digits delimited by colons. For example,‘2002:0db6:58b1:02c3:3308:7a2e:6309:2665’. In an IPv6 network, a computer ordevice can use multiple addresses, as represented by link local address, statelessaddress, etc.PPDFPortable Document Format. The page description language used in Adobe Systems’Acrobat document exchange system, which is restricted neither by device norresolution. PDF displays documents in a way that is independent of the originalapplication software, hardware, and operating system used to create thosedocuments. A PDF document can contain any combination of text, graphics, andimages.ProtocolA set of rules that govern the transmission of data across a network. Examples ofprotocols are DHCP, BOOTP, RARP, and TCP/IP.