The most common place today’s computer users store their documents and pictures is on their hard drives. There are many other cloud storage providers out there, but these are among the most well known.
And if you own a business, cloud storage is something you can also take advantage of in a corporate setting. TweetIn the past two decades, enormous innovation has taken place on top of the Internet architecture. With the evolution of cloud computing and virtualization, IT managers have had to change in recent years the way we interact with technology. In a series of three articles, we will try to explore the potential of Software Defined Networking, keys vendors and products, recent development on Software Defined Networking, key acquisitions and the market potential. We are about to witness a revolution in the networking towards so-called “Software Defined Networking” or “Software Defined Network” (SDN). Definition on Wikipedia: “Software-defined networking (SDN) is an approach to building data networking equipment and software that separates and abstracts elements of these systems.
SDN thus gives owners and operators of networks better control over their networks, allowing them to optimize network behavior to best serve their and their customers’ needs.
SDN focuses less on decoupling and more on programming interfaces that provide network equipment, whether or not a separation of control plane and footblocks. This is not only a focus on Cisco, and other vendors, including Arista, Extreme and Juniper currently provide direct access to their products. With a common definition of SDN, overall control of the network is achieved by centralizing logic of the control plane function, and network operations organization can cope with a group of network devices as a single entity. The group most associated with the development of standards based on SDN is the Open Networking Foundation (ONF). SDN lets network operators manage, configure, optimize and secure network resources quickly via dynamic, automated SDN programs, which are independent on proprietary software. SDN addresses the ever changing network requirements to the dynamic computing and software needs of data centers, cloud environments, etc. With the cloud is more flexible now in the IT collection, services and applications, there is virtually on demand from virtual server clusters. SDN enables automated virtualization an open network infrastructure unlike the conventional very hierarchical network architectures.
For example, cloud providers will benefit from the new technology, since they receive a highly scalable multi-tenancy environment. Using open APIs, third party could provide advanced networking features and services, such as load balancers, or intrusion prevention systems. In coming days, we would see the availability of the functionality that enables organizations to effectively manage this new form of networking.
In 2012, more than 1.7 million jobs in the field of cloud computing remained unoccupied, according to analysts firm IDC. Cloud marketing has the ability to drastically change the ways in which they reach and engage their audience, particularly with regard to distributing and storing mission-critical data.
More and more companies encourage their employees to work on their devices, thus reducing the cost of computer equipment, but also increase the cost to maintain licenses and safety. Despite the inclination to wait until all of the cloud’s kinks have been worked out, holding off on cloud initiatives until the industry matures won’t guarantee success. The software industry is undergoing major changes by trends such as cloud, SaaS, mobile technology and the “consumerization of IT”.
EMC has launched its latest Isilon Network Attached Storage (NAS) offering, bringing in support for the popular open source analytics platform Hadoop.

By integrating the Hadoop Distributed File System (HDFS), EMC claims users can take advantage of the benefits of Big Data analytics without having to deal with multiple vendors. EMC claims to be the “first and only” scale-out NAS offering this integration, which will also provide the security, data movement and scalable storage features of a traditional NAS in one box. As well as HDFS, EMC has included its own open source analytics system Greenplum HD, showing its continued enthusiasm for the open software community. Apache’s Hadoop project has been active for six years, but only reached version 1.0 - meaning it is recognised for enterprise use - at the end of 2011. EMC first made its intentions for Hadoop clear back in May at its annual EMC World conference in Las Vegas.
TweetHitachi has announced in collaboration with the Faculty of Engineering, Kyoto University, a new technology capable of recording and reproducing digital data using quartz glass for hundreds of millions of years. The new technology uses a laser to mottle a piece of quartz glass with dots to store binary codes.
Hitachi said the new technology will be suitable for storing historically important items such as cultural artifacts and public documents, as well as data individuals that want to leave for posterity.
The volume of data being created every day is exploding, but in terms of keeping it for later generations, we haven’t necessarily improved since the days we inscribed things on stones, said Hitachi researcher Kazuyoshi Torii. The quartz glass storage method supports storing data in four layers and is capable to store around 40MB per square inch.
Scientists at Harvard University have also developed a new technology where a single DNA molecule can be used to write 43 KB of data, which means that one cubic millimeter of DNA can store 5.5 petabit.
Hitachi Data Systems also announced a unified storage solution that provides enterprise-class virtualization capabilities for all data types. As with all storage technologies, the developments have been moved from the physical to the electronic and most recently to the cloud. But did you know that you can back up your files somewhere so that if your computer ever dies, you’ll be able to access a second copy of them?
Different companies own different servers, and offer cloud storage services that utilize these servers. Cloud storage can be a great way to sync all your documents and pictures across multiple devices, as many of these services have app versions that work on tablet and phones. Email, e-commerce, search, social networks, cloud computing, and the web as we know it is all good examples. SDN allows system administrators to network services more easily through abstraction of lower level functionality into virtual services. For instance, in data centers SDN can be used to reduce energy usage by allowing some routers to be powered down during off-peak periods. A secondary reason for this shift in focus is because Cisco recently announced that as part of its offer of SDN, it would provide API across multiple platforms.
An advantage of this approach is that it allows very detailed access and controls the network elements, but does not provide a central point and is vendor specific.
With SDN, network flows are controlled at the level of abstraction of the global network, rather than at the individual device level. The ONF was launched in 2011 and has a vision to make the OpenFlow and Linux Foundation’s new OpenDaylight based SDN as the new standard for networks. The driving trends for a new network paradigm include the rise of cloud services, focus on Big Data, consumerization of IT, and changing network patterns.
Due to the increasing virtualization of networks, we will see a high demand and a correspondingly significant market growth for SDN in the coming years. Service providers can offer higher pay services by policy-based control and analysis in a more flexible way.

Providers are also working on multi-tenant, virtual switches with ports spread across multiple physical systems. There is also no doubt that in the current environment, SDN is only suitable for early adopters.
The second is the availability of a wide range of applications that leverage centralized control inherent in most forms of SDN. Although many companies had already begun integrating the system, January saw a plethora of launches from high profile companies putting their money on the open source solution - Oracle and RainStor to name just two.
It announced new products integrating Hadoop and Greenplum - which it acquired in July 2010 - promising to bring the best analytics to enterprises for the ‘deluge of data’ companies are facing. From the fact that even when heated for two hours at 1000 degrees, quartz glass that records the data did not deteriorate the digital patterns of data. The possibility of losing information may actually have increased, he said, pointing out that hard drives, CDs and tape storage are predicted to last less than a few decades at best, and likely to fail within years. The new Hitachi Unified Storage VM platform is specially designed for small and medium enterprises that simplifies the operation and allows companies to effectively manage both internal resources and all virtualized storage systems, including storage systems from other manufacturers.
According to the recent report by consultancy firm IHS iSuppli, cloud storage services will reach 625 million in 2013, compared to 300 million subscriptions made in 2011. In recent years, online cloud storage has become incredibly important The Cloud, as many people call it, is not actually a cloud. It makes transferring documents from one device to another quite easy, as you can log in online from any device and download the files you need. Your employees can store important documents online, so multiple people can access them easily and without fear of losing them on a personal machine. For example, instead of creating a physical NIC, an administrator can create hundreds of virtual NIC from a network. SDN enables innovation in all kinds of networks — including data centers, wide area telecommunication networks, wireless networks, and enterprises and in homes — through relatively simple software changes. The SDN ecosystem amplitude is reflected in the fact that today ONF has more than 70 members of various types, including suppliers providing silicon and switches, network devices, controllers, test equipment, telecommunication services, data center services, hyper-scale and smartphones. However, given the combination of the huge investments being made by the big players, along with the current wave of acquisitions, the SDN landscape is likely to change significantly in the next 12-18 months. In comparison, physical hard drive can lasts up to 10 years and tape storage can last for 10 to 30 years. The Cloud is a “massive, physical collection of interconnected information technology servers that are easily accessible by a user through a network”, as State Tech Magazine defines it. If you’re planning to store pictures, you’ll probably want a larger storage plan than if you’re just storing documents. These innovations have helped data centers to improve the control, management and data loads. There are servers located all over the world, around 50 million of them, kept in massive rooms with special air conditioning and recirculation technology to prevent overheating. Even if you have an external hard drive, having online copies of your documents adds another layer of protection, and provides a peace of mind. The new technique can also virtualize the network so that they can respond flexibly to the needs of different applications.

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