ACE

- Access Control Entity; an element in an access control list (ACL)

ACL

- Access Control List; a property of every file and folder in Microsoft's NTFS file system that limits access to given files to a specified group of users

Agent

- installed on those computers on which data is directly accessed. Agents communicate directly and only with the Server

CDP

- Continuous Data Protection; in a CDP deployment, data is constantly being replicated to the specified backup machine

FastMerge

- tool that allows you to use an alternate copy of the Job's data to initially populate a linked folder

firewall

-  set of related programs, located at a network gateway server, that protects the resources of a private network from users from other networks

IDE

- Integrated Drive Electronics; a standard electronic interface used between a computer motherboard's data paths or bus and the computer's disk storage devices

iSCSI

- Internet Small Computer System Interface: IP-based storage networking standard for linking data storage facilities

Job

- the collection of synchronized folders and the links between them. Once an Agent adds a folder on its local computer to a Job, it ensures full synchronization between that folder and folders on other computers that are linked to that same Job. You can create up to 60 Jobs per Agent, and unlimited Agents per Server

master - slave

- a model in which one device or process (known as the master) controls one or more other devices or processes (known as slaves); the direction of control is always from the master to the slave(s)

metadata

- data used to describe other data, such as schema, table, index, view, and column definitions

NAS

- Network-Attached Storage; hard disk storage with its own network address that is serving applications to a network's workstation users

proxy

- a software program that allows several computers to share one Internet connection

RAID 5

- redundant array of independent disks; (originally redundant array of inexpensive disks); a way of storing the same data in different places (thus, redundantly) on multiple hard disks

router

- device or software in a computer that determines the next network point to which a packet should be forwarded toward its destination

SAN

- Storage Area Network; high-speed special-purpose network (or subnetwork) that interconnects different kinds of data storage devices with associated data servers on behalf of a larger network of users

Server

- acts as the hub, directing traffic, synchronizing mirrors, ensuring file coherency, and resolving any file conflicts. In all deployment scenarios, a single instance of the Server is used

Vault

- the working space that stores a Job's current file versions, past versions, deleted files, and log files. The default location is C:\\AD

WAFS

- Wide-Area File System; accelerates WANS to near-LAN performance through proprietary algorithms that continuously monitor file changes at the byte level and transfer only the differences