1. A big data center, on the other hand, refers to a data center used to store, process and analyze big data. Big data centers are usually very large in scale and require the use of highly parallelized computing and storage technologies to meet the challenges of large data volumes, high speed and complexity.

2. A data port is a physical location built for large-scale centralized data storage, management, and processing. Data centers usually consist of a large number of servers, network devices, storage devices, etc., which are used to support the operation of enterprise-level applications, such as enterprise resource planning, online trading systems, online video, and so on.