T3 (plural T3s)
- (Networking):A Protocol much faster than http. Uses small packets for transmission. It is a single independent protocol .Hence increase efficiency by using fewer OS resources.
- (Networking): A network backbone connection equivalent to 28 T1 lines, typically fiber optic.
- (Canada) A tax reporting form used by estates and trusts.
- (Australia) a transit lane restricted to vehicles with a minimum of three occupants.