19-0204 Exhibit A - ISTHA Integrated BOS RFI Glossary.docx

Glossary AET – All Electronic Tolling ATPM – Automated Toll Payment Machine, there are two types of ATPMs on the Illinois Tollway system, one in which tolls are paid by depositing coins in the machine and the other which accepts credit and debit cards and cash or coins to pay tolls Big Data – are the extremely large data sets that are generated by the large volume of daily toll transactions which must be analyzed by the Operational and Commercial Offices to convert the toll transactions into revenue and manage Tollway customer accounts Big Data Platform - is an Information Technology solution which combines several Big Data tools and utilities into one packaged solution for managing and analyzing Big Data BOS – Back Office System – the computer systems and services that process toll transactions collected in the field, support violation enforcement activities, and manage revenue and customer service operations for the Tollway.

BRE/BRMS – Business Rules Engine or Business Rules Management System, is a software system that executes one or more business rules in a runtime production environment CBO – Commercial Back Office, is where the customer information is stored and customer relationship management (CRM) and billing functions are performed COTS – Commercial Off-The-Shelf, is software or hardware products that are ready-made and available for sale to the general public CRM – Customer Relationship Management, is the software and approach to manage the Tollway's interaction with current and potential customers ERP – Enterprise Resource Planning, is the integrated management of main business processes, often in real-time and mediated by software High Performing Data Platform Architecture – is big data architecture designed to handle the ingestion, processing, and analysis of data that is too large or complex for traditional database systems Host – the hardware and software that collects toll transaction information at the toll plazas and ramps which is transmitted to the Operational Back Office for processing Illinois Tollway or Tollway – the Illinois State Toll Highway Authority (ISTHA) I-PASS – The Illinois Tollway’s branded E-ZPass transponder which is the Tollway’s primary electronic toll collection system Middleware - is software that lies between an operating system and the applications running on it. Middleware functions as a hidden translation layer, which enables communication and data management for distributed applications OBO – Operational Back Office, the enterprise software and services to provide toll transaction processing, that validate electronic toll transactions and process images for license-plate-based video tolling, and prepares the transactions for financial processing in the CBO.

ORT – Open Road Tolling, the Illinois Tollway’s electronic toll collection system that allows customers to automatically pay tolls as they drive PCI – Payment Card Industry which refers to the industry standards including, the technical and operational standards that businesses must follow to ensure that credit card data provided by cardholders is protected RFID - Radio-Frequency Identification, the radio technology used in electronic toll systems such as I-PASS and E-ZPass. RFID uses electromagnetic fields to automatically identify and track toll collection transponders attached to vehicles at toll plazas Self-Service Portal – Web service or other venues that enable users to perform basic functions without customer assistance, such as remote I-PASS account maintenance and payment of video tolls or violations.