The service concept applied to computer networks

Abrams, Marshall D.

doi:10.6028/nbs.tn.880

Cited by 7 publications

(12 citation statements)

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“…The focus and interpretation of the transaction level L2 is affected accordingly. The user-computer interchange can be viewed as a stimulus-response (SR) couplet wherein the human user issues the stimulus and the computer returns the response [3]. This is one option available at level L2.…”

Section: Multilevel Modelmentioning

confidence: 99%

A methodology for interactive computer service measurement

Abrams

Treu

1977

Commun. ACM

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A measurement methodology applicable to interactive computer service is described. Its primary purpose is lo enable external, user-oriented assessment of computer performance, instead of the more frequently used internal system measurement techniques. The NBS Network Measurement System is employed as the external measurement tool. Example data have been collected and analyzed. A demonstration of the methodology, leading to a pragmatic Hgure-of-merit evaluation of results, is included.

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Section: Multilevel Modelmentioning

confidence: 99%

A methodology for interactive computer service measurement

Abrams

Treu

1977

Commun. ACM

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“…From a human factors point of view, several studies [i] [2] [3] discuss response time requirements. These indicate that response times of less than four seconds are generally sufficient to maintain continuity of dialogue.…”

Section: Terminal Response Objectivementioning

confidence: 99%

Computer Systems Planning - tools & techniques

Herndon

1976

Proceedings of the Annual Conference on - ACM 76

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Computer Systems Planning for a large general purpose computer facility is discussed in this paper. An overview of the planning process is presented which emphasizes development of a workload forecast and setting planning objectives.Integrated use of accounting data, synthetic programs, a system simulation program and a software monitor is described, Experiences in planning at Johnson Space Center are used to illustrate pivotal issues in the planning process.

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“…The user is of foremost concern in determining the level of performance of the computer system, Abrams and Cotton [1975] suggest that such measures as response time, availability, accessibility and reliability are pertinent to determining the performance of a teleprocessing system. Response time is frequently defined as the elapsed time from the end of a user's input to the beginning of the system's corresponding message.…”

Section: Duementioning

confidence: 99%

“…Monitor/Stimulus-Generator (see Lockett and Bell [1975] and YoshirauraC 1975] ) do not meet this definition in that they are limited in the workload which can be emulated.…”

Section: Such Devices As the Randmentioning

confidence: 99%

“…(1) Federal Government agencies should note that at the present time the use of RTE's may not be made a mandatory requirement in an RFP nor may the results of its application be the sole basis for a selection decision. (GSA [1975]) Since changes are anticipated in Federal procurement regulations, agencies are advised to determine what restrictions may exist at the time they consider the use of RTE's. 4.…”

Section: Procurementmentioning

confidence: 99%

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