Technical data

mount point
A directory on an NFS client that is associated with a remote file system. The
directory must exist before NFS can use it as a mount point.
MTU
See maximum transmission unit.
multiaccess networks
Physical networks that support the attachment of multiple (more than two) routers.
Each pair of routers on such a network is assumed to be able to communicate
directly.
multicast
A transmission of network traffic intended for multiple hosts (but not all connected
hosts) within a network or internet.
multicast address
An address that designates a subset of nodes that are all listening for packets
destined to this address.
multicast addressing
An addressing mode in which a data packet is targeted to a group of nodes that are
of the same type, for example, all level 1 routers or all level 2 routers.
multihomed host
A host that has two or more hardware connections to a network; requires multiple
IP addresses.
multiplexing
Using a single connection to carry several data streams and the mechanism for
assigning these streams to that connection.
multipoint circuit
A circuit that connects multiple systems.
multiprocessing system
A network consisting of multiple processors.
MX record
See Mail exchange record.
NAK
See negative acknowledgment.
name resolution
The process of mapping a host name to its corresponding address. See also
Domain Name System.
named
The BIND Name Server daemon.
namespace
A commonly distributed set of names in which all names are unique.
negative acknowledgment (NAK)
The response to receipt of a corrupted packet of information. See also
acknowledgment.
Glossary–27