Glossary

Last-mile access: The physical link between the location of the customer and the nearest node of Alestra’s telecommunications network.

Caprolactam (CPL): Product derived from oil (cyclohexane), used as raw material to produce nylon.

Cloud applications: Business model where applications are accessed through the Internet, and are not physically present in the customer’s facilities.

Computer security: A practice that includes techniques, applications, and devices responsible for ensuring availability, integrity and confidentiality of the data of information systems, data and telecommunications networks.

Expandable polystyrene (EPS): Thermoplastic used for insulation and packaging.

HPDC: High-Pressure Die Casting.

Hosting: Service where applications and websites are placed on a server.

Independent Board Member: A Board member who does not owns company shares and is not involved in the day-to-day management of the company.

Independent Proprietary Board Member: A Board member who owns company shares but is not involved in the day-to-day management of the company.

Managed Services: Services provided by an external supplier to operate, monitor, configure and provide support in case of failure of telecommunications equipment and their value-added services.

Monoethylene Glycol (MEG): Raw material used in various industrial applications, mainly to manufacture polyester (PET and fibers).

Megawatt (MW): Measurement of power that is equal to one million watts.

OEMs: Original Equipment Manufacturers.

PET (Polyethylene Terephtalate): Plastic resin mostly used to manufacture bottles.

Polyester: Plastic resin used to manufacture textile fibers, films, and containers.

Polypropylene: Propylene byproduct used to make plastics and fibers, among other products.

Polyurethanes: Chemical compounds derived from oil, used to manufacture plastic foam.

PTA (Purified Terephtalic Acid): Raw material used to manufacture polyester.

Related Proprietary Board Member: A Board member who owns company shares and is involved in the day-to-day management of the company.

Systems integration: practice of service which consists in designing and building customized computer solutions, combining and connecting hardware and/or software of one or several manufactureres products.