network monitoring – an overview
DESCRIPTION
Network monitoring is needed in a system that persistently scrutinizes a computer network for sluggish or weakening components. It informs the network administrator via SMS or email in case of outages.TRANSCRIPT
Network monitoring is needed in a system that persistently scrutinizes acomputer network for sluggish or weakening components. It informs thenetwork administrator via SMS or email in case of outages. It’s a part ofnetwork management.
Whilst an intrusion-detection system scrutinizes a network for dangers fromthe exterior, a network monitoring system scrutinizes the network for issuessourced by overloaded or crashed servers. For instance, to know the status ofa web server, monitoring software might sporadically send an HTTP requestto obtain a page. For e-mail servers, a text message might be sent via SMTP &recovered by POP3 or IMAP.
Generally measured standards are response
time, accessibility & uptime, though both
reliability and consistency measures are
beginning to obtain popularity. The extensive
incorporation of WAN optimization tools is having
negative effects on most of the network
monitoring devices – particularly when it is about
observing precise end-to-end response time
since they restrict round trip visibility.
Internet server monitoring
Monitoring an internet server denotes that the
owner of the server always notified if one or more
of services go down. Server monitor could be
internal, for example, web server application
verifies its status and informs the proprietor if
some services go down, and external, i.e. some
web server monitoring firms verify the service
status with certain regularity. Server monitoring
can cover a test of system measures, such as
memory usage, CPU usage, disk space and
network performance.
External monitoring is more dependable, as it keeps working when the server totallygoes down. Also, manyserver monitoring tools have performance benchmarking,alerting abilities & the capability to connect certain entrances with automatic serverresponsibilities such as performing a backup. Also, it can comprise applicationmonitoring, such as verifying the procedures of programs such as Nginx, Postgres,Apache, MySQL and others.
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