| Gone are the days of bulky rack mounted servers | | | | effectiveness and much less consumption of heat, |
| were. With the advancement of technology, blade | | | | electricity.Another feature of the blade server which |
| servers are fast becoming the order of the day. | | | | has acted as catalyst behind its popularity is its size. |
| Blade servers are self contained computer server | | | | More than 250 blade servers can be easily |
| designed specially for high density jobs. Unlike a | | | | accommodated in a single rack. On the other hand |
| typical rack mounted computer a blade server does | | | | approximately 42 servers can be accommodated to |
| not require power chord or network cable. But it can | | | | a standard rack when it comes to the other lower |
| still carry out the various functionalities of a standard | | | | end servers available in the market. |
| rack mounted server with ease. | | | | Besides being used as a web server a blade server |
| The blade system comprises of the blade enclosure | | | | can provide other functionalities too. It can perform |
| which has the capability to hold multiple blade servers. | | | | as SSL servers for encrypted communications, or as |
| The blade enclosure also carries out important | | | | streaming servers for audio and video transmissions. |
| functions like power coolings, networking, | | | | Moreover blade servers are also being used as |
| interconnects as well as management. | | | | Firewall devices in corporate data centers. |
| Power supply is one of the functionalities provided by | | | | Blade servers have also proved to be useful in |
| blade enclosures. It is the single power source for all | | | | specific purpose like- cluster computing. They have |
| blades within the enclosure. | | | | also ached out a prominent position in the fields of |
| Certain amount of heat is produced during the course | | | | web hostins. |
| of any operation. The blade enclosure removes the | | | | In the backdrop of soaring energy costs, the |
| heat6 formed by fans thus cooling the server. | | | | economy that it provides in terms of heat |
| Networking is another important function of blade | | | | consumption are turning out to be extremely handy |
| enclosure. It provides with one or more network | | | | for the data centers. The fact that it occupies |
| buses to which the blades will connect. It either | | | | minimal space has also contributed hugely in this field. |
| present the ports presenting them in individual | | | | A blade server is easy to install.Also, the presence of |
| location or assembling them in fewer ports thus | | | | dedicated software result in better administration, |
| reducing the cost of connecting individually. | | | | performance and accountability among users. |
| The blade servers are lower-end servers, fitted into | | | | However the blade servers have its own limitations. |
| a single chassis. The number of blades that the | | | | Ian case of a large scale problem it may not prove |
| chassis can hold varies from 8 to 24.One of the most | | | | to be very useful.Inthese cases server farms are |
| salient features the blade server is that each blades | | | | safer options. |
| an independent system with its own memory, | | | | Also, its high power density can lead to acute |
| processor and network connection. | | | | problems which can affect large sever farms. But in |
| The prime factors that have led to the vast | | | | spite of these minor pitfalls, the growing popularity of |
| popularity of the blade servers are its cost | | | | blade servers show that it is here to stay. |