With the rapid development of digital economy

all walks of life need to store

extract and use a large amount of information

which leads to the continuous development of data center industry. Data center

like transportation and network communication

has gradually become a part of modern social infrastructure

the networking strategy of big data center will deeply affect its high-speed interconnection and computing power cooperation efficiency. This paper analyzes the networking technology and deployment strategy between large data centers

and provides technical analysis and networking suggestions for scientifi c and reasonable construction of integrated data center network.