Network Address Translation (NAT) A mechanism
of mapping private IP addresses to public IP addresses.
Network Configuration Protocol (NETCONF) A
protocol that specifies the means of opening a secure
management session with a network device, includes a
set of operations to manipulate the configuration data
and retrieve the operational state, and describes a
mechanism to send out notifications.
Network Management Station (NMS) An
application that monitors and controls SNMP managed
devices.
Network Services Orchestrator (NSO) A Cisco
network services orchestration platform that enables
end-to-end service deployment across multivendor
physical and virtual infrastructure.
Network Time Protocol (NTP) A protocol used to
synchronize time on a network of devices.
next-generation firewall (NGFW) A network
security device that provides capabilities beyond those of
a traditional stateful firewall.
Nmap A network scanning and host detection tool that
is very useful during several steps of penetration testing.
O
Object Identifier (OID) A variable that makes up the
MIB data.
Observer The observer pattern uses a subscription
model for alerting a list of dependents (called observers)
of the state change of an object (called a subject). The
subject can be configuration, event status, or any other
piece of operational data that needs to be synchronized
with other applications or devices.
Open Shortest Path First (OSPF) A routing protocol
for Internet Protocol (IP) networks.