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Distributed Network Protocol 3 (DNP3) is a set of communications protocols used between components in process automation systems. Its main use is in utilities such as electric and water companies. Its main use is in utilities such as electric and water companies.
Category for shared disk file systems. Shared disk file systems (also cluster file systems or SAN file systems) are file systems that can concurrently share access to a single block device from multiple computers.
A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage. SANs are primarily used to access data storage devices, such as disk arrays and tape libraries from servers so that the devices appear to the operating system as direct-attached storage .
Another is the threat of packet access to the network segments hosting SCADA devices. In many cases, the control protocol lacks any form of cryptographic security, allowing an attacker to control a SCADA device by sending commands over a network. In many cases SCADA users have assumed that having a VPN offered sufficient protection, unaware ...
Mapping a drive can be complicated for a complex system. Network mapped drives (on LANs or WANs) are available only when the host computer (File Server) is also available (i.e. online): it is a requirement for use of drives on a host. All data on various mapped drives will have certain permissions set (most newer systems) and the user will need ...
In computing, a shared resource, or network share, is a computer resource made available from one host to other hosts on a computer network. [ 1 ] [ 2 ] It is a device or piece of information on a computer that can be remotely accessed from another computer transparently as if it were a resource in the local machine.
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Multiple processors can access all disks directly via intercommunication network and every processor has local memory. It contrasts with shared-nothing architecture, in which all nodes have sole access to distinct disks, [4] and with shared-memory, in which they also share memory. Shared-disk has two advantages over Shared-memory.