govind99

NOESiS Blog

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Mar 10

2010

Virtualization and Cloud Computing

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Virtualization is the path to creating and managing the cloud and today’s advancements in virtualization technology have made it easier for companies to achieve their cloud computing goals.

Cloud computing might be one of the latest buzz words in computing, but this method of computing isn’t all that new.

Cloud computing is really just a new marketing term coined for consumer benefit, a general term for anything that involves delivering hosted services over the internet. It is the old grid computing, with changes in the way that resources and services are allocated, so that only small parts of the system respond to small requests. The key difference, and advantage of cloud computing, is the way in which services are dynamically allocated.

In cloud computing, applications and services are accessed online. All the end user sees is one interface, and the backend infrastructure and data is hosted somewhere else. In essence, it’s the internet with services on top of it, and the goal is to deliver easy, scalable access to computing resources.

Cloud computing has really taken off in recent years, especially in developed markets, catapulted by broadband improvements and spurred on by advancements in virtualization and distributed computing. The recession, which has forced companies to cutback on technology investments, has also played a significant role in accelerating the adoption of infrastructure and software delivered as services over the Net.

While it’s most certainly happening in South Africa, cloud computing on a grand, public scale – as in the case of big players like Google and Amazon – is limited by the country’s broadband capacity – and costs. However, at a private, or what he calls a “micro cloud” level, the use of cloud computing is taking off and will become more common.

A “micro cloud” is a private network or data centre that supplies hosted services to a number of people. A company for instance can use the same ideas and technology of public cloud computing to create its own private cloud to provide applications and services to its employees or clients.

Virtualization, a method of running multiple independent virtual systems on a less physical resource, makes one computer act as many, sharing the resources of those computer hosts across multiple environments. So instead of having a server dedicated to running just one system, a number of virtual machines can be created on a physical machine. Each of these virtual machines is a fully-fledged sever, running its own systems and applications.

Very often, enterprise servers operate significantly below their optimal capacity. With virtualization technology it is possible to raise the utilization levels of existing physical servers in order to get optimum use out of them.

Through the optimization of existing infrastructure, virtualization technology ensures improved allocation of resources. There’s no longer a need to have big machines sitting around to service applications that only are used a portion of the time.

Virtualization is the foundation of cloud computing and makes the cloud function more effectively. It’s a tool that helps shape the cloud, optimizing the allocation of resources and allowing for growth and shrinkage of the services in the cloud without having to purchase new machines.

By virtue of its ability to slice and dice the underlying services, and improve the management and allocation of resources, virtualization enables companies and cloud services providers to downscale their infrastructure and have a much smaller cloudwhile at the same time allowing for the appropriate allocation of resources as requests come in. In short, it allows them to achieve economies of scale.

Because virtualization makes cloud computing more attainable and elastic, it makes it possible even for smaller companies to move into cloud computing.

Mar 08

2010

SEO Techniques

Posted by: govind99

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Hi guys, Today, I'm gonna share with you very important factors for better website ranking in all major search engines. 1. Before staring page optimization, everybody needs to check which keyword is popular these days. You can check your business related keywords using Google Adwords that is free to use ofcourse. Here, you'll be asked to enter few of the keywords that you want to know if they are being searched or not and if yes, how many times a month they are being searched. This tool also gives the facility to search popular keywords related to your website/web page content. Just select the 2nd radio button titled website content and enter the full website's specific webpage which you want to search about. You'll get the keywords list in result. 2. Second thing that is very important and that is to analyze your competitors' websites. View their popular page source to analyze what they have done. Try to enhance your webpage content using their method but do not overall copy them. There is a tool available on the internet for free to analyze a full webpage at once. Tool is very popular with name SEOBook (dot) com. Install this on your browser and use it's benefits. This tool can tell you where the opened page is bookmarked with their quantities. Also, tells you alexa ranking, popular keywords list of the webpage, traffic report, and lots more. 3. After you've used both methods, it's time to analyze your website's meta tags. Title tag is the most important part of your website in view of Google and other search engines. These search engines pay more attention to it (specially Google). Try to put your business popular keywords by making them phrases. Please note that do not stuff it with keywords. Most search engines can crawl upto 70 characters in title meta tag so try to put your major keywords within this limit. Now give a short description upto 250 characters in Description meta tag using your page content. After it, give keywords in Keyword Meta tag. 4. Avoid using dynamic urls like ?php.laf1jljjajfa for your web pages; instead use static pages. If possible, give keywords in your web page names relevant to content of the page separating them with hyphens or underscores. For example, seo-company.html. Also, give title of it under and fill it with keyword related to that content page. The whole process is called link optimization. 5. Use as many as Heading tags (h1 to h6) you can use. Make content of your website as per heading, subheadings format so that your site can get more appearance in search engines. H1 - H3 are most important for website. 6. Wherever you use image tag (img src), always use alt tags in it also. Fill this with keyword related to your page's content. It is called image optimization. 7. Make sure that you're not using content that is already there on the web. If it so, try to change the content related to your business. If possible, hire freelancer or professional content writer who can write fresh content for your website. 8. Submit your website in all 3 major search engines like Google, Yahoo and MSN. 9. After submitting your website in search engines, you'll need to make a sitemap for search engines in xml format. xml-sitemaps (dot) com provides you this facility absolutely free. Generate your free website's sitemap and submit it in all search engines using their webmaster accounts. 10. To drive fastest and huge traffic to a website, Social Network Bookmarking is the right way. You just need to bookmark your service web page in social network sites like digg, stumbleupon. You can get all lists for free social and popular network websites by search "Free Social Network Bookmarking Websites" in Google or any other search engine. 11. Create and submit as much as fresh blogs and articles on relavant blogs and articles submission websites. It gives your good backlink that lasts long. 12. If you have any press release about your company or business, it's the right time to submit them on popular free press release distribution websites. You can find all names in Google. That's all for today. Hope this post will help you for your site's promotion. For further help or query, feel free to ask me. Regards, govind99 NOESiS Consultancy

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