# BGP

CEFR C2 · Noun

Source: https://englishreference.com/word/bgp
Updated: 2026-07-22

## Definition

Stands for Border Gateway Protocol. A set of rules that helps the internet work by finding the best paths for data to travel between different networks.

For teachers: Abbreviation for Border Gateway Protocol. The standardised exterior gateway protocol designed to exchange routing and reachability information among autonomous systems on the internet.

## Examples

- A mistake in the BGP settings caused the website to go offline.
- Network engineers spent hours troubleshooting the BGP configuration to restore connectivity between the regional data centres.
- The inherent trust model of BGP makes the global routing table vulnerable to prefix hijacking, where a malicious actor announces routes they do not actually own.

## Usage notes

- Typically used as an uncountable noun or as a modifier in noun phrases like 'BGP routing' or 'BGP update'.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.
