Terms

A key link characteristic, the maximum data transfer rate achievable via the link.

The size of a buffer used when receiving a packet. Essentially, this is the amount of data sent in one TCP packet.

A piece of data locally stored by a Web client, characterizing a user from the viewpoint of a server accessed by the user.

A database containing information about known vulnerabilities, including their descriptions and links to websites with additional info. The project is sponsored by the United States Computer Emergency Readiness Team (US CERT) and maintained by MITRE Corp. nonprofit

A type of hosting service where the customer is provided with a dedicated physical server connected to the Internet. Usually, the leased assets are used for the deployment of mission-critical and/or resource-intensive applications and websites.

Using illegal ways of affecting computer networks or individual nodes in order to promote political causes. Hacktivists usually participate in protest movements and try to attract as much attention as possible to the ideas they stand for.

The use of a software intermediary (proxy) that processes traffic in a certain way for subsequent sending to another software program.

A service that allows to deliver data of various nature and formats (images, videos, web pages, software distributions/patches, etc.) to a large number of users as fast as possible. CDNs help lower costs by freeing customers from the need to create resilient (including to DDoS attacks), reliable, and highly available IT infrastructure necessary for mass delivery of content to consumers.