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Switchover is the manual switch from one system to a redundant or standby computer server, system, or network upon the failure or abnormal termination of the previously active server, system, or network, or to perform system maintenance, such as installing patches, and upgrading software or hardware. [1]
A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.
This "automated with manual approval" configuration runs automatically once a human has approved the failover. Failback is the process of restoring a system, component, or service previously in a state of failure back to its original, working state, and having the standby system go from functioning back to standby.
Systems that handle failures in distributed computing have different strategies to cure a failure. For instance, the Apache Cassandra API Hector defines three ways to configure a failover: Fail Fast, scripted as "FAIL_FAST", means that the attempt to cure the failure fails if the first node cannot be reached.
The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. [3] They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the ...
Wireless failover is a business continuity function. That is, it allows businesses to continue operations even in the event of a network failure. In retail, wireless failover is typically used when a standard connection for a point of sale credit card machine fails. In this instance, the wireless failover allows business transactions to ...
The Directory System Agent is the executable part, a set of Windows services and processes that run on Windows 2000 and later. [1] Accessing the objects in Active Directory databases is possible through various interfaces such as LDAP, ADSI, messaging API , and Security Accounts Manager services.
The HP Driver Configuration Utility (DCU) is a Windows application used to edit the configuration file associated with a particular driver. The configuration file controls the print driver settings and takes effect when the driver is installed. HP Driver Deployment Utility. DDU is used to pre-configure a print driver for deployment.