| Abbreviation | Definition |
|---|---|
| BR | Buffered Regular |
| BRAIN | Broadband Rural Access Information Network |
| BRAINS | Broad and Robust ATM and IP Networking Solutions |
| BRAN | Boulder Research and Administrative Network |
| BRAND | Broadband For Rural And Northern Development |
| BREG | Berkeley Rural Energy Group |
| BRRN | Big Regional Resistance Network |
| BRSTM | Binary Audio Stream |
| BSC | Binary Synchronous Communications |
| BSIC | Base Station Identity Code |
| BSLB | Block Static Load Balancing |
| BSMTP | Batch Simple Mail Transfer Protocol |
| BSN | Block Sequential Number |
| BSN | Broadband Services Node |
| BSP | Business Server Page |
| BSR | Base Station Router |
| BSS | Basic Service Set |
| BSSID | Basic Service Set Identifier |
| BSTUN | Bisyncronous Serial Tunnel |
| BT | BitTorrent |