For enterprise-class storage items, network storage has become a significant mode of knowledge processing. Therefore, increasingly more customers presently use network attached storage (NAS) or storage space network technology (SAN). However, businesses should select which one, that has been the main focus of dialogue inside the industry. Fact, NAS and SAN both technology differs, the consumer whether or not SAN or NAS, is as simple as its very own conditions and requires of various choices. Ideas begin by speaking about NAS storage technologies. What’s NAS? Many visitors know, NAS is within British “Network Attached Storage” means china meaning is “network attached storage.” It really generally is attached to the network, with data storage products, also called “network memory” or “network disk arrays.” Relation to structure, NAS is really a function of merely one thin computer, therefore the less complex structure just like a server, home home appliances as with appearance, just the energy supply and straightforward controls, just via a cable attached to the terminal client, you are able to complete installing control NAS. NAS is really a professional network file storage and file backup device, which is dependant on the LAN (lan), as well as in compliance using the TCP / IP methods to speak, to file for I / O (Input / Output) way of data transmission. Within the LAN atmosphere, NAS continues to be fully accomplished level data between different platforms to talk about, for example NT, UNIX along with other platforms to talk about. A NAS system, including processors, file management module and multiple hard disk drives (for data storage). NAS does apply in almost any network atmosphere, the main server and also the client can certainly access the NAS, on any format, such as the SMB format (Home windows) NFS format (UnIx, LInux) and CIFS (Common Internet FIleSystem) format and so forth. Through any computer, using IE or Netscape browser around the NAS device could be intuitive and convenient management. NAS Technical Features: NAS is really a server having a thin (ThinServer) hard drive, much like its role inside a devoted file server. This devoted storage server not the same as the standard general-purpose server, it removed the initial server general doesn’t affect most computing, but merely to supply file system functionality for storage services, considerably reducing storage costs. This really is to facilitate the storage towards the network between the best method to send data, the machine software and hardware particularly enhanced architecture, multi-threaded, multi-tasking network operating-system kernel is especially appropriate to handle in the network I / O demands, and also the traditional in comparison towards the storage server isn’t just fast response, and also the bandwith minute rates are also greater. Devoted storage products With traditional server-centric storage systems, the information is no more sent with the server memory (that will cause additional delay and blockage), directly between your client and hard drive transfer (so-known as third-party transfer). In by doing this, the server only in the control and management role, with a faster response speed and greater data bandwidth. Additionally, to reduce the server can help reduce server costs, thus assisting high-performance storage system within the larger context of universal application. Protocol independent connection simple NAS has a large amount of independence, support for UNIX, Netware, Windowsnt, OS / 2 or IntranetWeb data access, the customer doesn’t need any special software, simple to install, even while other machines within the network drive, can certainly use existing management tools to handle. Not the same as the standard general-purpose servers, NAS devoted server cannot boost the complexity, management costs, reduce reliability, in line with the network’s storage capacity increase, has excellent scalability. Since the server doesn’t need more hardware and services make it possible for the server’s reliability and that i / O performance greatly enhanced, can take advantage of available network bandwidth 10M/100Mb or 1000Mb, greater data throughput. Plug and Play NAS could be a hub or switch easy accessibility user around the network, a plug and play network device. Provides customers with simple to install, simple to use and management, high reliability and scalability of the good network storage solution.