In this article I will show how you can manage client-related data with Genuine Channels. Using Client Session is not always convenient. It holds on references and sometimes you certainly should know how to mark some data with a client unique identifier and be able to unmark it when that client gets disconnected. In this article I will try to show how you can mark any data with a client unique identifier, how to fetch this identifier in different cases. That is you will be able to use broad means and patterns such as weak referencing.n this article I will show how you can manage client-related data with Genuine Channels. Using Client Session is not always convenient. It holds on references and sometimes you certainly should know how to mark some data with a client unique identifier and be able to unmark it when that client gets disconnected. In this article I will try to show how you can mark any data with a client unique identifier, how to fetch this identifier in different cases. That is you will be able to use broad means and patterns such as weak referencing.
Friday, April 11, 2008
Tuesday, April 1, 2008
Advantages of Colocation Services for your Critical Data
One idea that has come to the forefront in light of recent disasters is that of the colocation centre: a secure site where several companies base their data centres. It is often the technical hub of a business where key applications and critical data are stored, as well as the area that manages incoming and outgoing electronic communication between the company, its clients, and its workers.
-Data centres that are located in-house are increasingly expensive, and in the case of many small or medium sized businesses prohibitively so. By using a colocation centre, which securely houses the data centres for many different companies, business owners can cut costs significantly, both in terms of carrying capacity and personnel.
-Because colocation centres concentrate only on IT aspects of business, they are always supplied with the latest in terms of worker ability, safety, and in-service provision.
-The data stored in colocation centres are always protected by the very latest in firewall and other hacking proof technology. In-house servers frequently run behind the times, as security services need to be constantly monitored for any changes to protect against new threats. Business owners either get behind, or can’t pay the properly qualified personnel to monitor and update their systems. A colocation centre has a dedicated group of certified technicians monitoring the data centres in the facility 24 hours a day, seven days a week. As the costs are shared amongst the businesses using the facility, it is much more efficient than paying in-house staff.
-Colocation centres can also take a lot of the headache out of customer relations. Internet presence is an increasingly important factor in creating and maintaining relationships between customers and businesses, and a fault with a connection can mean lost dollars. Colocation centres are serviced with the latest fool proof systems and wiring, allowing constant connectivity.
-In the event of a disaster, colocation centres also include backup servers which kick in immediately if trouble occurs. This allows much more streamlined and efficient recovery in case data centres are compromised in any event. In-house data recovery is always much more costly, if in fact it is a possibility at all.
-In short, colocation centres offer a lot of advantages to the business owner. Safety and continuity are two considerations when it comes time to decide if you want to outsource the storage of your critical data
The term “hosting”
The word “hosting” refers to Internet lexicon and derives from the word “host”, which has several meanings: the owner, the device, the main computer.
-Why you need hosting? You create a website on your computer. After this your next question: “How to put this website to Internet for users from all over the world?” Of course, you can make this page accessible by Internet from your own computer. But this means that:
1). your computer must constantly work;
2). your computer must constantly be connected to the Internet;
3). connection with Internet should be on great speed;
4). you must install on your сomputer fairly complicated software.
Obviously that placement of the website on your personal computer has many problems and expensive. But there is a simple and inexpensive way that allows to get rid of them. This is “hosting”.
What is domain Name?
A domain name is the address of your website on the Internet, where anybody can find your site. Domain name is a part of website’s URL (Uniform Resource Locator). All domain names are unique.
-Domain Name System (DNS) was invented because it was very hard for Internet-users to remember IP-addresses, that consist of a set of numbers. Domain names are associated to specific IP-addresses and can be used instead of those IP-addresses. DNS convert domain name to equivalent numeric IP-address. List that links IP-addresses with domain names are stored on DNS servers. If database on DNS server not contain specific domain name, it send query to the next DNS server and so on, until the desired bundle “domain name/IP-address” not found.
Examples of domain names:google.commicrosoft.com
URLs for this domain names:http://www.google.com/http://www.microsoft.com/
URL always includes a domain name.
Domain name have hierarchical structure and it divided into levels. Each level is separated by point.
-For example: earth.google.comcom - top-level domain (TLD) or first-level domain,google.com - second-level domain,earth.google.com - third-level domain.
-The number of top-level domains are limited. There are generic top-level domains - gTLD (.com, .org, .edu, .net and others) and country code top-level domains - ccTLD (.us, .fr, .de, .ru and others).
You can register top-level domain name with one of the registrars for term of 1 year or more.
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