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Hosting Terms
Packet
A unit of data used to send information across the Internet. Most
types of network communications use the Transport Control Protocol
(TCP) layer of the TCP/IP protocol to split messages into a number
of discrete packets before transmitting them.
Packet-Switched
Describes a network that sends data one packet at a time, rather
then as a continuous stream.
Password
A sequence of characters required to log in or otherwise gain access
to a computer system.
Payment Gateway
Applying to e-commerce, a payment gateway is software that is a
hosted on a server that routes financial transactions between the
merchant and the bankcard processing associations (Credit Card).
PCMCIA
Personal Computer Memory Card Industry Association is an
international trade association that has developed standards for
devices, such as modems and external hard disk drives that can be
plugged into notebook computers.
PDA / Personal Digital Assistant
A small, totally portable electronic device that combines computing,
telephone/fax, and networking features. A typical PDA can function
as a cellular phone, Fax sender, and personal organizer.
PDF / Portable Document Format
A file created by Adobe's Acrobat software. PDF files are designed
for distributing documents electronically, and thus contain original
fonts, graphics and other design elements that faithfully record the
layout of the original.
Pentium4
Pentium 4 (P4) is the latest Intel processor (codenamed Willamette),
released in November 2000. The new processor has a viable clock
speed of 1.5 gigahertz (GHz) - as compared to the 1 GHz of the
Pentium 3 - and is likely to be available with a rate of at least 2
GHz by the end of 2001.
Perl / Practical Extraction and Report Language
An interpreted scripting language for scanning text files,
extracting information, and printing reports. Perl is widely used
for creating CGI applications. Created by Larry Wall.
Permission List Marketing
Companies seeking to target a large number of new prospects can pay
to access the subscribers permission list managers. These services
play an intermediary role between customers and marketers.
Customers, consumers and professional users are invited to register
with the service and, ideally, choose from among a number of
categories about which they would like to receive commercial
announcements. The service then sells access to those consumers to
marketers. List managers do not release the email addresses of their
subscribers to the marketers. Rather, the marketer supplies the
message to the list manager, who relays it to the service's
subscribers on the marketer's behalf.
PGP / Pretty Good Privacy
A widely-used method of ensuring the security and integrity of data
transferred across the Internet -- whether it is e-mail, Usenet
postings, or submissions to Web sites. Through use of the digital
equivalent of keys, users can authenticate messages from each other.
PHP
PHP (Personal Home Page Tools) / Hypertext Preprocessor is a
server-side, HTML embedded scripting language that is used primarily
on Linux Web servers to create dynamic Web pages. PHP script is
enclosed within special PHP tags. An HTML page that includes a PHP
script is typically given a file name suffix of ".php" ".php3," or
".phtml".
PICS / Platform for Internet Content Selection
The PICS is a controversial Web site ratings standard introduced by
the W3C, which associates actual content with associating labels -
metadata. Filtering software can be used to exclude sites if the
PICS is deemed inappropriate.
Ping
A small program used to check for the presence and response time of
a remote computer.
Ping Storm
A flood of large packets sent to a computer a computer by a ping
program, either to test the machine's ability to manage large
volumes of traffic or, occasionally, deliberately to cause it to
malfunction.
Pixel
Short for "picture element", the smallest unit in a digital image,
appearing as a dot on the computer screen. Digital images are
measured in pixel size dimensions (e.g., a "100 x 200" image, 100
pixels wide by 200 pixels high). In Web multimedia, each pixel in an
image can be defined as a hypermedia anchor (a technique known as
image mapping), providing a link to another image, file, or document
on the Web.
PKE / Public Key Encryption
An encryption system that uses two keys, a public key for encrypting
messages and a private key for decrypting messages, to enable users
to verify each other's messages without exchanging secret keys.
PKI / Public Key Infrastructure
A complex way of administering large public key encryption schemes.
Platform
Broadly, the combination of an operating system and a processor to
form a system on which application programs can run.
Plexus
A set of modular WWW server software written in Perl - More
information.
Plug-In
A small piece of software that extends the capabilities of another
larger program.
PNG / Portable Network Graphics
PNG is a file format designed primarily to replace the older GIF
format. PNG files, which are lossless (meaning they don't lose any
detail when they are compressed) support up to 48-bit truecolor or
16-bit grayscale and typically compress about 5% to 25% better than
GIF files. Not support animations like GIFs do.
POP / Point of Presence
A site that has a collection of telecommunications equipment,
usually refers to ISP or telephone company sites.
POP / Post Office Protocol
A protocol used to retrieve e-mail from a mail server. Most e-mail
applications (sometimes called an e-mail client) use the POP
protocol, although some can use the newer IMAP (Internet Message
Access Protocol). There are two versions of POP. The first, called
POP2, became a standard in the mid-80's and requires SMTP to send
messages. The newer version, POP3, can be used with or without SMTP.
POP Accounts
Users can retrieve e-mail directly from POP3 mailboxes on the mail
server to the computer using an email program such as Eudora or
Outlook.
POP3
The latest version of the Post Office Protocol, a standard for
retrieving E-mail. (see POP)
Pornography
One of the Internet's biggest businesses. As the world's media never
tire of pointing out, pornography is widely available on the Net, in
both commercialized subscription form and for free.
Port
1) Logical, a software constructed location on a server for
"listening" or "opening" to different kinds of protocols used on a
network. HTTP servers, for example, use port 80, Telnet 23, and
Gopher 70 by default, but other port numbers can be assigned for
special applications. You may see a port number after the server
name in a URL. 2) Physical, a hardware connection for computer input
and output. The physical connection for a printer or modem on a
computer is known as a communications port.
Portability
A characteristic of a program which can run on any platform without
modification.
Portal
An electronic gateway to the World Wide Web. The portal is really an
extension of the Search Engine idea, but instead of providing lists
of sites matching someone's search criteria, it relies on a
selection process to choose starter sites that new users might be
interested in visiting.
POSIX
Portable Operating System Interface for computer environments. A set
of IEEE standards designed to provide application portability.
IEEE1003.1 defines a UNIX-like operating system interface, 1003.2
the shell and utilities, and 1003.4 real-time extensions.
Postscript
A page description language from Adobe Systems Inc. Its primary
application is to describe the appearance of text, graphical shapes
and sampled images on printed or displayed pages. A program in
PostScript can communicate a document description from a composition
system to a printing system in a device-independent way. Many
printers now interpret PostScript directly.
PPP / Point-to-Point Protocol
A data communications standard for transmitting information between
two computers using a serial interface.
PPTP / Point-to-Point Tunneling Protocol
A technology developed by Microsoft, U.S. Robotics, and others to
enable VPN to work securely over the internet without exposing their
communications to intercept.
Private Key
A type of key used to decode encrypted messages, known only to the
sender and recipient of a message.
Protocol
A set of rules that determines how two computers should communicate
with each other.
Proxy Server
A computer that controls traffic between a Local Area Network and
the wider Internet.
Public Key Cryptography
A cryptographic system in which messages are encrypted with a key
split into two parts.
Pull
Pull means searching the information and then pulling that
information into the browser.
PURL / Persistent URL
Persistent URL. Instead of pointing directly to the location of an
Internet resource, a PURL points to a resolution service that
associates the PURL with the actual URL and returns that URL to the
client.
Push
Push is the term used for technologies that are used to regularly
deliver information directly to a client's computer.
Push Media
Content that is delivered automatically, rather that waiting for
someone to come and get it.
Hosting Tips
Ask your host to pay for your domain name.
If you want to host a NEW domain name, you can request
the hosting company to pay your domain name for you. The
cost of domain registration and renewal is about £6 per
year.Minimize your website expenses
If you are unusual about hosting and if you are still in the
development and testing stage of your website, go for cheap
hosting service. You save money by minimizing your website
expenses on the initial stage, and once your site is ready
for public to view, you can always decide to stay or move to
another host. Always choose to host with reliable hosts that
offer responsive technical support.
Read user reviews and hosting news
If you already have a host, and you intend to switch and
search for another host, always start your search by reading
user reviews and hosting news. This is simply because
hosting companies that are always in the news are always
innovating to provide better, cheaper, faster, newer or more
efficient hosting services in the current marketplace. User
review are comments provided by the people who have used and
experienced their hosting services. Read users reviews to
find out the actual hosting services provided by the hosts
to help you decide which hosts suit your budget and plans. |
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