IB: unlimited bandwidth. InfiniBand is a unified interconnection structure, which can handle not only storage I/O and network I/O, but also interprocess communication (IPC). The basic bandwidth of InfiniBand is 2.5Gb/s, that is, InfiniBand1.x.

IB: Intelligent building.

IB (Introduction Broker) refers to the system that securities companies introduce investors to futures companies and provide certain services for investors to carry out futures trading, so futures companies pay commissions to securities companies.

investment bank

Short for investment bank.