Archive for Web Hosting
VPS and Dedicated Server Hosting Terms and Their Meanings
Virtual Private Server (VPS) and dedicated server hosting are two types of the dedicated hosting. Virtual Private Server (VPS) is also a partially type of shared web hosting since the CPU on the node is shared amongst all the VPS on the server unequally in some cases. On the dedicated servers, some web hosts do not offer a money back guarantee, due to the costs of setting them up. But with the Virtual Private Server (VPS), many hosts do offer a money back guarantee on Virtual Private Server (VPS) servers since they are a type of shared hosting as well as dedicated hosting. So, there are no costs involved in setting them up.
Bandwidth Bandwidth is the traffic, and is the amount of data that can be transferred between your website and the client computers which visit it. Bandwidth is measured in gigabytes (GB), but when Internet becomes the busy traffic exchange, it is measured in megabytes (MB). In dedicated server terms, bandwidth refers to the data transfer rate that the server will receive. Dedicated servers are connected to 1GB/per second internal networks and then fed through to the Internet via 100mb/per second uplinks. When looking for a Virtual Private Server (VPS), you should always consider the amount of bandwidth that you will receive on the package concerned since this will effect how many visitors your website can receive.
Disk Space Disk space is the amount of space that you are able to use to host your files, or clients. In most cases, you are unable to purchase extra disk space since the host node has limited amount of disk space. So, if you want more disk space, then the only solution for you is to upgrade to the next Virtual Private Server (VPS) hosting plan that your web host offers. Also, the amount of the disk space that you have can dictate how much you are able to host.
RAM
RAM means ‘Random Access Memory’. Ram is the amount of usable memory which is assigned to your Virtual Private Server (VPS). There are two types RAM for Virtual Private Server (VPS). Guaranteed RAM
It is the amount of RAM which has been uniquely assigned to your Virtual Private Server (VPS), and will always be available for your Virtual Private Server (VPS) to use. It is the amount of RAM which you ‘own’ and cannot be touched by other VPS that are hosted on the same node as you. Burstable RAM/ Swap RAM
It is left over RAM on the physical node which can be accessed by any Virtual Private Server (VPS) which may have run out of guaranteed RAM and just needs a bit more so that it can get it’s activities back on track. It is shared amongst all the Virtual Private Server (VPS) on the host node. The amount of guaranteed RAM that you have assigned to your Virtual Private Server (VPS) is crucial for your performance. This is due to the reason that if you don’t have enough RAM then certain programs might not be able to run at all. And if your Virtual Private Server (VPS) runs out of free RAM at a certain point and there isn’t any burstable RAM available, then your Virtual Private Server (VPS) might just crash or be shutdown by the Virtual Private Server (VPS) software.
Root Access / Remote Desktop Access Root access is the name given to the ability of being able to access a Linux Virtual Private Server (VPS) over SSH using the root account and Remote Desktop access, which is its Windows counterpart. With the root / administrator access to your Virtual Private Server (VPS), you are able to administer any part of it you wan. You are also able to install any program you want, since the actions of the program will not have any effect on the other Virtual Private Server (VPS) that are hosted on the same node as you. You are open to a whole load of idea on what you could use your Virtual Private Server (VPS) with the ability to install any program that you want. Now, if your Virtual Private Server (VPS) is powerful enough then you might want to run several different programs or services to make the most of it, so that you can make your Return On Investment (ROI) within a Virtual Private Server (VPS).
Virtuozzo / OpenVZ Virtuozzo is the software which enable the web hosts to host the Virtual Private Server (VPS) servers in the physical nodes. This program is available for both Linux and Windows. Virtuozzo also ensures that the Virtual Private Server (VPS) which will come to be hosted on it do not interfere with each other in any way. OpenVZ is an open source alternative to Virtuozzo for Linux. OpenVZ has most of the features that Virtuozzo has, but does not have the Virtuozzo Power Panel which is used by customers to manage the basic needs of their Virtual Private Server (VPS).
Private Name Servers Private name servers can be created under the branding of a domain of your choice. Using the Private Name Servers is a big 'must', if you are a web host or website designer, since it can help improve your corporate identity, as well as extend it. Private name servers are only achievable on Virtual Private Server (VPS) hosting and dedicated servers due to the nature of the IP address assigning.
Control Panels Most of the Virtual Private Server (VPS) web hosts offer some sort of control panel as such with their Virtual Private Server (VPS) packages. These Virtual Private Server (VPS) control panels give you the ability to create multiple ‘client’ accounts and host multiple domains along with many features such as email account creation and managements, FTP account creation and management as well as file manager so that you can manage the contents of the web space of the domain concerned to help get your website started. If you are new to Virtual Private Server (PVS) hosting, then the control panel is the perfect solution for you, since these panels give you a web based graphical interface which you are able to use to administer your server and websites.
Working of Webservers It is very complex system, that you type the Url, and the particular website opens. Although, the methodology behind this fact is difficult-to make-it-work process, but it is easy-to-use also. Now, lets suppose, you open a browser and type http://creativewebsols.com. Your browser then initiates a connection to the webserver in which the creativesebsols.com files are stored. The browser does this using the Internet connection you have. The request for http://creativewebsols.com is first converted into an IP address using the nameservers which have been assigned to creativewebsols.com and then locating the server which has creativewebsols' files. Now, once the communication has been established between the browser and the webserver; request for the files of creativewebsols.com to be displayed is made. This is done using the Hyper Text Transfer Protocol (http). All the files which the webserver sends back to the browser is then converted into human readable format by the web-browser itself. Using this process, the server can send files to multiple client computers at the same time allowing viewers across the globe to access the website. A webserver typically stores all the files necessary to display the pages of the creativewebsols on your desktop. This includes all the text files, images, graphics, and any other script that enables the dynamic elements of a website to function. The number of such simultaneous requests which can be serviced depends entirely on the robustness and configuration of the webserver. The most popular open-source webserver in use today is Apache while windows servers generally use IIS (Internet Information Services) as the webserver application.
Shared Web Hosting It is used where multiple websites are hosted on the same server and each website is contained within its own folder or location on the server to keep it separate from other websites which are hosted on the same server. Shared hosting is seen as the most economical type of website hosting since the cost of server maintenance as well as other server related costs are spread across a large amount of customers. Shared hosting is normally only available on two different types of operating system: Linux and Windows; this is because most web applications are built to suite either one of these platforms, and hosting control panels are only mainly made for Linux and Windows.
Virtual Private Server (VPS) Hosting Virtual Private Server (VSP) can be categorized under both shared and dedicated hosting. Virtual Private Server (VSP) works by splitting the resources of a physical hosting node amongst many Virtual Private Server (VSP) and the number of Virtual Private Server (VSP) which you can fit on a node is dependent on the node’s resources. The result of the resource splitting is several VPS which have their own dedicated environment. Generally, Virtual Private Server (VSP) act as the filling gap between the standard shared hosting, and dedicated servers. Virtual Private Server (VSP) packages are also tend to be a bit more expensive than a standard shared hosting package, but less than a dedicated server. With most Virtual Private Server (VSP), you are able to choose any operating system that you want to use. If you are on a shared hosting package, but your needs point more towards a dedicated server, but don’t have the funds then a Virtual Private Server (VSP) might be what you need. Virtual Private Server (VSP) are currently available mainly on Linux and Windows platforms.
Operating System Choices With a Virtual Private Server (VPS), you are limited to your choice of that Operating System (OS), which is running by the node. Most of the hosts allow you to install what Operating System (OS) you want, since you are normally provided with a control panel which you can use to reload your Virtual Private Server (VPS) to any operating system template which is in the system of the host. The use for your Virtual Private Server (VPS) should always be reflected in the choice of your Operating System (OS). Your choice of the Operating System (OS) might also be affected by the specs of your Virtual Private Server (VPS);
Resources All the Virtual Private Server (VPS) are allocated a certain amount of RAM, disk space and bandwidth. RAM comes in two different types within Virtual Private Server (VPS): Guaranteed RAM uniquely assigned to your Virtual Private Server (VPS) and can't be used by anyone else and is always there for you.
Burst Ram is shared amongst all the Virtual Private Server (VPS) on a node and is utilized by a Virtual Private Server (VPS) when it runs out of guaranteed RAM. Disk space which is assigned to a Virtual Private Server (VPS) is exclusive and can only be used by the Virtual Private Server (VPS) to which it has been assigned. Bandwidth that is assigned to a Virtual Private Server (VPS) can not be used by any other Virtual Private Server (VPS) hosted on the same node. Although, most hosts allow you to purchase extra bandwidth, but it is quite expensive since it is a treasured resource.
Uses Virtual Private Server (VPS) are commonly used for the testing of the applications, as it is considered that Virtual Private Server (VPS)are 'isolated environment on the physical node'. So, if any problems are found they don’t harm the main node. You are able to install most of the programs of your choice, as you have your own dedicated environment, depending on the resources specifications of your Virtual Private Server (VPS). Virtual Private Server (VPS) sometimes run a piece of software with known security flaws; these are run within Virtual Private Server (VPS) environments since if there are any problems with the software, then the host node is unlikely to be damaged.
Virtual Private Server (VPS) Software
All the Virtual Private Server (VPS) needs virtualization software to run them. The main pieces of virtualization software that are run by web hosts are Virtuozzo which can run on both Linux and Windows and OpenVZ which is an open source alternative to Virtuozzo for Linux.
Dedicated Server Hosting Dedicated hosting is that web hosting in which the environment with which you are provided is a dedicated one. In the dedicated servers, you lease a physical server from a web host and the resources contained within that server, which is not shared between multiple users. Dedicated hosting solutions are normally taken up by companies or individuals who need their hosting environment to be customized. So, Dedicated server hosting solutions are chosen in a situation where a return can be made easily, since both the Virtual Private Server (VPS) servers and dedicated servers are quite costly.
Supported Operating Systems With the Dedicated server hosting solutions, you can choose any Operating System (OS) to be installed on your server since your choice will not have any effect on other users or customers. Cost, support and skills are also factors which can effect the choice of the Operating System (OS). If you find either of those three a limitation, then you could always opt for an open source Linux distribution; this is because open source means free, and because of this you are normally able to find a mass of the online forums and e-books. The application or content that you are wanting to host might also put a limitation on your choice of Operating System (OS). Finally, the security of the operating system should always be a key factor affecting your final choice of the operating system. This is because you do not want your system to end up being hacked or to be infected by any type of virus. There are many viruses for the Windows Operating System, but with the correct precautions and protection you should not face any problems.
Bandwidth and Connectivity Bandwidth is assigned to each and every server by the upstream provider. The connectivity refers to the different peers with which you are connected to, the more peers you are connected to, the more likely it is that your website will have a fast connection around the entire world. Bandwidth is normally assigned per GB (gigabyte), however until quite recently it was still being assigned as MB (megabytes), the change being because of the increasing amount of the Internet traffic.
Management Most of the dedicated server hosting providers are able to provide management for the dedicated and Virtual Private Server (VPS) to a certain extend, normally for node, network and included software problems. Since the environment given is a dedicated one, the customer is expected to have a certain amount of knowledge in order to be able to keep the server in working order and to be able to carry out general tasks such as maintenance. Support for the node would cover issues such as problems with the physical node and any hardware to which it is connected as well as software and hardware upgrades and maintenance.
Security Most dedicated servers and the Virtual Private Server (VPS) are normally located behind both a software and hardware firewall. Most of them also contain virus scanners so that any malicious programs that do find their way onto client servers are found and removed as soon as possible. In the case of Virtual Private Server (VPS) servers, the nodes normally have some sort of virus scanner which means any Virtual Private Server (VPS) which is found to have a virus will be shut down or sorted in the correct manner. Some types of software are banned from being used on the networks of some hosts for the reason being that they can compromise both the security of the client’s server and the hosts network.
Software With the dedicated hosting, you are normally able to install your own software on your server since it is a dedicated environment and your actions will most likely not effect anyone else. Some hosts allow you to purchase licenses for certain pieces of software at the same time when you purchase the server. This can prove to be an advantage for the customer since the host might be selling licenses cheaper, which is normally the case if they are a license reseller. Most hosts also offer software such as control panels from vendors including cPanel to allow you to manage your server effectively.
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