Reference Guide

HPMA Audit Message Reference

HP Medical Archive

SSM Service Status Monitor—a unit of the HP Medical Archive software

that monitors hardware conditions and reports to the NMS. Every

server in the grid runs an instance of the SSM.

study A DICOM term for a collection of images (instances) related to an indi-

vidual patient or subject.

SVG Scalable Vector Graphic—a format for digital images that can be scaled

without loss of resolution.

TCP/IP Transmission Control Protocol / Internet Protocol—a process for

encapsulating and transmitting packet data over a network. It includes

positive acknowledgement of transmissions.

throughput The amount of data that can be transmitted or the number of transac-

tions that can be processed by a system or subsystem in a given period

of time. See also: “latency”.

URI Universal Resource Identifier—A generic set of all names or addresses

used to refer to resources that can be served from a computer system.

These addresses are represented as short text strings.

URL Universal Resource Location—A URI that can be typed into a browser

or other client program in order to retrieve/access an object, such that

the client software is able to understand how to perform the requested

action. (The client, typically a “browser”, often uses a Domain Name

Server (DNS) to resolve a URL into an IP address and URI

combination.)

UTC A language-independent international abbreviation, UTC is neither

English nor French. It means both “Coordinated Universal Time” and

“Temps Universel Coordonné”.

UTC refers to the standard time common to every place in the world. It

is derived from International Atomic Time (TAI) by the addition of a

whole number of “leap seconds” to synchronize it with Universal

Time (UT1). UTC is expressed using a 24-hour clock and uses the Gre-

gorian calendar.

UUID Universal Unique IDentifier—A 128-bit number which is guaranteed

to be unique.

version The edition of a service within the HP Medical Archive system.

Contrast with “release” and “revision”.

WAN Wide Area Network—a network of interconnected computers that

covers a large geographic area such as a country. Contrast with LAN.