An overview of all technical terms
| East-West Traffic: | Network traffic between internal systems, servers, applications or workloads within a data centre, enterprise network or cloud environment. |
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| End-of-Life (EoL): | Product lifecycle stage in which a manufacturer announces the discontinuation or gradual withdrawal of an IT product and its associated support. |
| End-of-Service (EoS): | Product lifecycle stage from which certain manufacturer service and support offerings for an IT product are no longer available. |
| Endpoint Detection and Response (EDR): | Security solution for continuously monitoring endpoints and detecting, analysing and responding to potential cyber threats. |
| Endpoint Security: | Protective measures for end devices such as laptops, servers and mobile devices against malware and unauthorised access. |
| Enhanced Interior Gateway Routing Protocol (EIGRP): | Dynamic routing protocol for automatically calculating efficient network paths and rapidly exchanging routing information within an autonomous system. |
| Equal-Cost Multipath Traffic (ECMP): | Routing method for distributing network traffic across multiple equivalent paths with identical routing costs. |
| EtherChannel: | Cisco technology for combining multiple physical Ethernet connections into a single logical link with increased bandwidth and redundancy. |
| Ethernet: | Widely adopted standard for wired data transmission in local area networks. |
| Ethernet connection box: | Connection point of structured cabling through which end devices are linked to the network. |
| Ethernet Virtual Private Network (EVPN): | Networking technology for providing scalable virtual Layer 2 and Layer 3 connectivity across a shared IP-based network infrastructure. |
| Ethical Hacker: | IT security professional authorised to identify vulnerabilities in IT systems, networks and applications. |
| Exploit: | Exploits a vulnerability in software or systems. |
| Extended Detection and Response (XDR): | Security solution for centrally detecting, analysing and responding to cyber threats across multiple areas of an IT infrastructure. |
| Exterior Gateway Protokoll (EGP): | Class of protocols used to exchange routing information between different autonomous systems. |