| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| High-level Data Link Control | Computing | High-level Data Link Control | |
| High-level data link control (HDLC) | Business | A Link-Level protocol used to facilitate reliable point-to-point transmission of a data packet. Note: A subset of HDLC, known as "LAP-B," is the Layer-two protocol for CCITT Recommendation X.25. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||