U.S. Department of Commerce Computer Science National Bureau ot Standards and Technology NBS NBS Special Publication 500-80 PUBLICATIONS Proceedings of the '"le^.v of NBS/IEEE/ACM Software Tool Fair NATIONAL BUREAU OF STANDARDS The National Bureau of Standards' was established by an act of Congress on March 3, 1901. The Bureau's overall goal is to strengthen and advance the Nation's science and technology and facilitate their effective application for public benefit. To this end, the Bureau conducts research and provides: (1) a basis for the Nation's physical measurement system, (2) scientific and technological services for industry and government, (3) a technical basis for equity in trade, and (4) technical services to promote public safety. The Bureau's technical work is per- formed by the National Measurement Laboratory, the National Engineering Laboratory, and the Institute for Computer Sciences and Technology. THE NATIONAL MEASUREMENT LABORATORY provides the national system of physical and chemical and materials measurement; coordinates the system with measurement systems of other nations and furnishes essential services leading to accurate and uniform physical and chemical measurement throughout the Nation's scientific community, industry, and commerce; conducts materials research leading to improved methods of measurement, standards, and data on the properties of materials needed by industry, commerce, educational institutions, and Government; provides advisory and research services to other Government agencies; develops, produces, and distributes Standard Reference Materials; and provides calibration services. The Laboratory consists of the following centers: Absolute Physical Quantities' — Radiation Research — Thermodynamics and Molecular Science — Analytical Chemistry — Materials Science. THE NATIONAL ENGINEERING LABORATORY provides technology and technical ser- vices to the public and private sectors to address national needs and to solve national problems; conducts research in engineering and applied science in support of these efforts; builds and maintains competence in the necessary disciplines required to carry out this research and technical service; develops engineering data and measurement capabilities; provides engineering measurement traceability services; develops test methods and proposes engineering standards and code changes; develops and proposes new engineering practices; and develops and improves mechanisms to transfer results of its research to the ultimate user. The Laboratory consists of the following centers: Applied Mathematics — Electronics and Electrical Engineering^ — Mechanical Engineering and Process Technology^ — Building Technology — Fire Research — Consumer Product Technology — Field Methods. THE INSTITUTE FOR COMPUTER SCIENCES AND TECHNOLOGY conducts research and provides scientific and technical services to aid Federal agencies in the selection, acquisition, application, and use of computer technology to improve effectiveness and economy in Government operations in accordance with Public Law 89-306 (40 U.S.C. 759), relevant Executive Orders, and other directives; carries out this mission by managing the Federal Information Processing Standards Program, developing Federal ADP standards guidelines, and managing Federal participation in ADP voluntary standardization activities; provides scientific and technological advisory services and assistance to Federal agencies; and provides the technical foundation for computer-related policies of the Federal Government. The Institute consists of the following centers: Programming Science and Technology — Computer Systems Engineering. 'Headquarters and Laboratories at Gaithersburg, MD, unless otherwise noted; mailing address Washington, DC 20234. 'Some divisions within the center are located at Boulder, CO 80303. NATIONAL BUHEAO or STANDAB1>3 LIBBART Computer Science OCT 2 1981 and Technology •^^"^ NBS Special Publication 500-80 m\ Proceedings of the t'^ NBS/IEEE/ACM Software Tool Fair Held in conjunction with the 5th International Conference on Software Engineering in San Diego, CA, March 10-12, 1981 Editor: Raymond C. Houghton, Jr. Center for Programming Science and Technology Institute for Computer Sciences and Technology National Bureau of Standards Washington, DC 20234 Sponsored by: National Bureau of Standards Washington, DC 20234 and IEEE Computer Society P.O. Box 639 Silver Spring, MD 20901 and SIGSOFT ACM 1 1 33 Avenue of the Americas New York, NY 10036 U.S. DEPARTMENT OF COMMERCE Malcolm Baldrige, Secretary National Bureau of Standards Ernest Ambler, Director Issued October 1981 Reports on Computer Science and Technology The National Bureau of Standards has a special responsibility within the Federal Government for computer science and technology activities. The programs of the NBS Institute for Computer Sciences and Technology are designed to provide ADP standards, guidelines, and technical advisory services to improve the effectiveness of computer utilization in the Federal sector, and to perform appropriate research and development efforts as foundation for such activities and programs. This publication series will report these NBS efforts to the Federal computer community as well as to interested specialists in the academic and private sectors. Those wishing to receive notices of publications in this series should complete and return the form at the end of this publication. National Bureau of Standards Special Publication 500-80 Nat. Bur. Stand. (U.S.), Spec. Publ. 500-80, 238 pages (Oct. 1981) CODEN; XNBSAV Library of Congress Catalog Card Number: 81-600109 U.S. GOVERNMENT PRINTING OFFICE WASHINGTON: 1981 For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402 Price $6.50 (Add 25 percent for other than U.S. mailing) . FOREWORD The Institute for Computer Sciences and Technology (ICST) within the National Bureau of Standards (NBS) has a mission under Public Law 89-306 (Brooks Act) to develop standards to enable the "economic and efficient purchase, lease, maintenance, operation, and utilization of automatic data processing equipment by Federal Departments and Agencies." As part of its current standards initiative, ICST is studying, evaluating, and publishing methods that increase the productivity and quality of software procured by the Government and software developed within the Government. A way to achieve higher quality and increased programmer productivity appears to lie in the use of computer technology itself. Automation must be used to serve and augment itself. A recent GAO report [1] endorses this use of automation and concludes that software tools can offer the Federal Government the following: — Better management control of computer software development, operation, maintenance, and conversion. — Lower costs for computer software development, operation, maintenance, and conversion. — Feasible means of inspecting both contractor-developed and in-house-developed computer software for such quality indications as conformance to standards and thoroughness of testing To this end, ICST has established a project to study, evaluate, and make recommendations concerning the use of software development tools. A database on existing tools has been assembled and is available in published form [2]. A taxonomy of software tool features has been produced [3] to provide a means for classifying and evaluating the capabilities of the ever more complex tools available in the marketplace. As a part of the program to provide information to Federal Agencies on tool usage, capabilities, limitations, and availability, NBS co-sponsored the tool fair held in conjunction with the Fifth International Conference on Software Engineering. The concept for the tool fair came from Professor Gerald Estrin, Chairperson, Computer Science Department, UCLA, as a result of experiences with remote interactive demonstrations of SARA (System ARchitects Apprentice) over a 3 year period. The proceedings of the tool fair are intended for use by all Federal and private organizations seeking information about current and future software engineering tools. The views expressed in the papers do not necessarily reflect those of the National Bureau of Standards, and the inclusion of any given tool, whether or not commercially available, does not imply that NBS endorses or warrants its operability or suitability. [1] "Wider Use of Better Computer Software Technology Can Improve Management Control and Reduce Costs", FGMSD-80-38, Apr 80. [2] "NBS Software Tools Database", NBSIR 80-2159, Oct 80. [3] "Features of Software Development Tools", NBS SP 500-74, Feb 81 . PREFACE The San Diego Tool Fair was a first-of- its-kind demonstration of software engineering tools at a major conference. The goals of the tool fair were to preview tools currently in research, to increase knowledge of what available tools do, and to demonstrate how tools are used in software engineering. However, a more important goal of the tool fair was to make the demonstrations an extension of the technical proceedings of the conference. This goal was accomplished by emphasizing the technical aspects of the tools in a professional, non-sales manner. The tool fair ran parallel with the conference program. Demonstrations were held in private conference rooms and were scheduled on a periodic basis. Over 33 tools were demonstrated at the tool fair and included the following: Requirements, Design, and Modeling Tools Cost Estimation and Project Management Tools Program Analysis