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IBM Mainframe Acronyms



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" (IBMz16TI 2022)



A


* ADDI - Application Discovery and Delivery Intelligence
* AES - Advanced Encryption Standard
* AI - artificial intelligence
* AIU - IBM Integrated Accelerator for Artificial Intelligence
* AMG - alias management group
* ASHRAE - American Society of Heating, Refrigerating, and Air-Conditioning Engineers


B


* BEAR - Breaking Event Address Register
* BMC - Base Management Card
* BNC - Bayonet Neill-Concelman
* BPA - Bulk Power Assembly
* BPR - Bulk Power Regulator
* BTS - Backup Time Server


C


* CAT - Crypto Analytics Monitor
* CBU - Capacity Backup
* CCA - Common Cryptographic Architecture
* CEX6C - Crypto-Express6 Coprocessor
* CEX7C - Crypto-Express7 Coprocessor
* CEX8C - Crypto-Express8 Coprocessor
* CF - Coupling Facility
* CFCC - Coupling Facility Control Code
* CISC - Complex Instruction Set Computer
* CIU - Customer Initiated Upgrade
* CLI - command-line interface
* CoD - Capacity on Demand
* CPACF - Central Processor Assist for Cryptographic Functions
* CPC - central processor complex
* CPE - Capacity for Planned Event
* CPM - Capacity Provisioning Manager
* CP - central processor
* CPUMF - CPU Measurement Facility
* CSM - Copy Services Manager
* CSS - channel subsystem
* CST - Coordinated Server Time
* CTC - channel-to-channel
* CTN - Coordinated Timing Network


D


* DCAP - data-centric audit and protection
* DCM - dual-chip module
* DCSS - discontiguous shared segment
* DES - Data Encryption Standard
* DHCP - Dynamic Host Configuration Protocol
* DIMM - dual inline memory module
* DPM - Dynamic Partition Manager
* DR - disaster recovery
* DRAM - dynamic random access memory
* DRNG - Deterministic Random Number Generation
* EAV - extended address volume
* ECC - Elliptic Curve Cryptography
* EDA - Enhanced Drawer Availability
* EDM - Enhanced Driver Maintenance
* EDO - Encrypted Data Object
* EP11 - Enterprise PKCS #11
* EPO - Emergency Power Off
* ETL - extract, transform, and load
* ETS - External Time Source
* EU - European Union


F


* FC - Fibre Channel
* FCP - Fibre Channel Protocol
* FEC - Forward Error Correction
* FID - Function Identifier
* FIPS - Federal Information Processing Standards
* FRU - field replaceable unit
* GDPR - General Data Protection Regulation
* GRS - Global Resource Serialization
* GSF - Guarded Storage Facility
* HA - high availability
* HADR - high availability and disaster recovery
* HDFP - hardware decimal floating point
* HIPAA - Health Insurance Portability and Accountability Act
* HMA - Hardware Management Appliance
* HMC - Hardware Management Console
* HSA - hardware system area
* HSM - hardware security module
* HVDC - High-Voltage DC
* IBM - International Business Machines Corporation
* IC - internal coupling
* ICF - Integrated Coupling Facility
* ICFs - Integrated Coupling Facilities
* ICSF - Integrated Cryptographic Service Facility
* IDE - integrated development environment
* IFLs - Integrated Facilities for Linux
* IFP - Integrated Firmware Processor
* IML - Initial Machine Load
* IOS - I/O Supervisor
* IOSQ - I/O queue time
* iPDU - Intelligent Power Distribution Unit
* IPL - initial program load
* IPLA - IBM International Program License Agreement
* ISA - Instruction Set Architecture
* ISM - Internal Shared Memory
* ITRR - internal throughput rate ratio


J


* JVM - Java virtual machine


K


* KVM - kernel-based virtual machine


L


* LAN - local area network
* LCSS - logical channel subsystem
* LIC - Licensed Internal Code
* LICCC - Licensed Internal Code Configuration Control
* LPAR - logical partition
* LR - Long Reach
* LSPR - Large Systems Performance Reference
* LSS - logical subsystem


M


* MAC - Media Access Control
* MCL - maintenance change level
* MCU - Memory Controller Unit
* MIF - Multiple Image Facility
* MLC - monthly license charge
* MSU - millions of service units
* MTBF - mean time between failures
* MTP - multi-fiber termination push-on


N


* NNPA - Neural Network Processing Assist
* NTP - Network Time Protocol


O


* OLTP - online transaction processing
* OSC - Oscillator Card


P


* PAV - parallel access volume
* PCI-HSM - Payment Card Industry PTS HSM
* PCI - Peripheral Component Express
* PCIe - Peripheral Component Interconnect Express
* PCIeCC - Peripheral Component Interconnect Express Cryptographic Coprocessor
* PDU - Power Distribution Unit
* POR - power-on reset
* PPC - Processor Power Card
* PPS - pulse per second
* PRNG - pseudo-random number generation
* PSF - Python Software Foundation
* PSP - Preventive Service Planning
* PSU - Power Supply Unit
* PTF - program temporary fix
* PTP - Precision Time Protocol
* PTS - Preferred Time Server
* PU - processor unit


R


* R4HA - rolling four-hour average
* RAIM - redundant array of independent memory
* RAS - reliability, availability, and serviceability
* RDMA - Remote Direct Memory Access
* RNI - relative nest intensity
* RoCE - RDMA over Converged Ethernet
* RSF - Remote Support Facility


S


* SAFR - Scalable Architecture for Financial Reporting
* SAP - System Assist Processor
* SE - Support Element
* SHA - Secure Hash Algorithm
* SIMD - single-instruction, multiple-data
* SKE - Secure Key Exchange
* SKLM - Secure Guardium Key Lifecycle Manager
* SMC - Shared Memory Communications
* SME - subject matter expert
* SMP - symmetric multiprocessor
* SMT - simultaneous multithreading
* SORTL - sort instruction
* SR - Short Reach
* SSH - Secure Shell
* SSI - single system image
* STP - Server Time Protocol


T


* TDES - Triple Data Encryption Standard
* TKE - Trusted Key Entry
* TRNG - true-random number generator


U


* UDX - User Defined-Extension
* UIFL - Unassigned Integrated Facilities for Linux


V


* VFM - Virtual Flash Memory
* VM - virtual machine


W


* WLM - Workload Manager

X




Y




Z


* zCX - z/OS Container Extensions
* zEDC - zEnterprise Data Compression
* zHPF - High-Performance FICON for IBM Z
* zIIP - IBM Z Integrated Information Processor




Fair Use Sources


Fair Use Sources:
* 0738460494 (IBMz16TI 2022)


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