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The IBM System z9 significantly enhances the performance and reliability and increases the functionality of its predecessor, the IBM eServer z990. Its increased levels of virtualization, security, connectivity, and availability are each unprecedented in mainframe servers. Among the topics included in the eighteen papers in this issue of the Journal on System z9 are descriptions of advances in silicon and packaging technologies, improvements in system availability and reliability, reduction of planned system outages, advances in security and encryption, and extensions to virtualization technology. |
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IBM System z9
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Message from the Vice President, System z Program Management, IBM Systems and Technology Group
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Cyril Price
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Preface
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P. R. Turgeon, Guest Editor
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p. 3
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Technology
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Optimization of silicon technology for the IBM System z9
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D. J. Poindexter, S. R. Stiffler, P. T. Wu, P. D. Agnello, T. Ivers, S. Narasimha, T. B. Faure, J. H. Rankin, D. A. Grosch, M. D. Knox, D. C. Edelstein, M. Khare, G. B. Bronner, H.-J. Nam, and S. A. Butt
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p. 5
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Design methods for attaining IBM System z9 processor cycle-time goals
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G. Mayer, G. Doettling, R. F. Rizzolo, C. J. Berry, S. M. Carey, C. M. Carney, J. Keinert, P. Loeffler, W. Nop, D. E. Skooglund, V. A. Victoria, A. P. Wagstaff, and
P. M. Williams
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p. 19
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High-speed interconnect and packaging design of the IBM System z9 processor cage
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H. Harrer, D. M. Dreps, T.-M. Winkel, W. Scholz, B. G. Truong, A. Huber, T. Zhou, K. L. Christian, and G. F. Goth
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p. 37
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High-speed source-synchronous interface for the IBM System z9 processor
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D. M. Berger, J. Y. Chen, F. D. Ferraiolo, J. A. Magee, and G. A. Van Huben
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p. 53
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IBM System z9 eFUSE applications and methodology
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R. F. Rizzolo, T. G. Foote, J. M. Crafts, D. A. Grosch, T. O. Leung, D. J. Lund, B. L. Mechtly, B. J. Robbins, T. J. Slegel, M. J. Tremblay, and G. A. Wiedemeier
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p. 65
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System functional enhancements
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zAAPs and zIIPs: Increasing the strategic value of System z
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L. W. Wyman, J. Castaño, J. P. Kubala, R. J. Maddison, B. R. Pierce, and R. R. Rogers
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p. 77
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Cryptographic system enhancements for the IBM System z9
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T. W. Arnold, A. Dames, M. D. Hocker, M. D. Marik, N. A. Pellicciotti, and K. Werner
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p. 87
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Sharing FCP adapters through virtualization
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J. Srikrishnan, S. Amann, G. Banzhaf, F. W. Brice, R. Dugan, G. R. Frazier, G. P. Kuch, and J. Leopold
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p. 103
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IBM System z9 Open Systems Adapter for Communication Controller for Linux
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M. Zee, J. W. Stevens, B. L. Thompson, J. A. Fowler, J. Goldman, P. T. Chan, and T. P. McSweeney
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p. 119
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System availability
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Enhanced I/O subsystem recovery and availability on the IBM System z9
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K. J. Oakes, U. Helmich, A. Kohler, A. W. Piechowski, M. Taubert, J. S. Trotter, J. von Buttlar, and R. M. Whalen, Jr.
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p. 131
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Fully redundant clock generation and distribution with dynamic oscillator switchover
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M. J. Mueller, U. Weiss, T. Webel, L. C. Alves, W. J. Clarke, M. Strasser, E. Engler, G. Cautillo, H. Osterndorf, and J. Schulze
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p. 145
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Reducing planned outages for book hardware maintenance with concurrent book replacement
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C. R. Conklin, C. J. Hollenback, C. Mayer, and A. Winter
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p. 157
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Redundant I/O interconnect
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U. Helmich, M. Becht, M. J. Becht, J. R. Easton, R. K. Errickson, T. Gehrmann, S. G. Glassen, S. R. Greenspan, F. Koeble, H. Lehmann, C. Mayer, J. S. Nikfarjam, F. A. Schumacher, and W. Storz
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p. 173
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Concurrent driver upgrade: Method to eliminate scheduled system outages for new function releases
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A. Muehlbach, B. D. Valentine, D. Immel, M. S. Bomar, and T. V. Bolan
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p. 185
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Design methodology
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Open-standard development environment for IBM System z9 host firmware
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C. Axnix, T. Hendel, M. Mueller, A. Nuñez Mencias, H. Penner, and S. Usenbinz
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p. 195
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Advanced firmware verification using a code simulator for the IBM System z9
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K. Theurich, A. Albus, F. Eickhoff, D. Immel, A. Kohler, E. Lange, and J. von Buttlar
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p. 207
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Decimal floating-point in z9: An implementation and testing perspective
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A. Y. Duale, M. H. Decker, H.-G. Zipperer, M. Aharoni, and T. J. Bohizic
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p. 217
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Software development
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Practical software reuse for IBM System z I/O subsystems
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A. M. Webb, R. Mansell, J. W. Knight, S. J. Greenspan, and D. B. Emmes
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p. 229
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