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modem
A modem (modulator-demodulator) is a device that encodes (resp. decodes) digital information by modulating (resp. demodulating) an analog signal. Modems are frequently used to transmit digital information over telephone lines and radio links. See https://en.wikipedia.org/wiki/Modem for a survey of various types of modems
MSS
A TCP option used by a TCP entity in SYN segments to indicate the Maximum Segment Size that it is able to receive.
multicast
a transmission mode where an information is sent efficiently to `all` the receivers that belong to a given group
nameserver
A server that implements the DNS protocol and can answer queries for names inside its own domain.
NAT
A Network Address Translator is a middlebox that translates IP packets.
NBMA
A Non Broadcast Mode Multiple Access Network is a subnetwork that supports multiple hosts/routers but does not provide an efficient way of sending broadcast frames to all devices attached to the subnetwork. ATM subnetworks are an example of NBMA networks.
network-byte order
Internet protocol allow to transport sequences of bytes. These sequences of bytes are sufficient to carry ASCII characters. The network-byte order refers to the Big-Endian encoding for 16 and 32 bits integer. See https://en.wikipedia.org/wiki/Endianness
NFS
The Network File System is defined in :rfc:`1094`
NTP
The Network Time Protocol is defined in :rfc:`1305`
OSI
Open Systems Interconnection. A set of networking standards developed by :term:`ISO` including the 7 layers OSI reference model.