Symmetricom S100 manual Nist, Noc, Ntms, Ntp, Ocsp, Oid

Multiplexing

Process during which two or more signals are combined into one; at the other end, signals are “unbundled” by a demultiplexer. TDM is Time Division Multiplexing, FDM is Frequency Division Multiplexing, and CDMA is Code Division Multiple Access.

National Measurement Institute (NMI)

Also known as National Metrology Institute(s), the National Measurement Institute(s) is the national authority in each country that is usually recognized as the source of official time.

Network Time Management System (NTMS)

Symmetricom's architecture for the use of its family of products.

NIST

National Institute of Standards and Technology, the National Measurement Institute in the United States. NIST produces standards for security and cryptography (see FIPS documents).

NMI Server

National Measurement Institute Server

NOC

A Network Operations Center is a centralized point of network management within a large- scale data network.

Non-repudiation

The time-stamp creates an evidentiary trail to a reliable time source that prevents a party in a transaction from later denying when the transaction took place.

Notarization

Certification of the identity of the party in a transaction based on identifying credentials.

NTMS

Network Time Management System is a Symmetricom network management platform that provides secure management of infrastructure devices.

NTP

Network Time Protocol is a protocol that provides a reliable way of transmitting and receiving the time over the TCP/IP networks. The NTP, defined in IETF RFC 1305, is useful for synchronizing the internal clock of the computers to a common time source.

OCSP

Online Certificate Status Protocol, a protocol defined in RFC 2560, enables applications to check the status of a certificate every time the certificate is used.

OID

Object Identifier

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