Hot Hardware published a review on the Intel Announces New Mesh Interconnect Architecture For Its Upcoming Xeon Scalable Processors A quote from the article:

Intel announced its family of Xeon Scalable Processors in early May, featuring the Skylake-SP microarchitecture. Those processors haven't officially launched just yet, but today the chip giant is revealing one of the key technologies being leveraged in the Xeon Scalable Processor family. A new mesh interconnect architecture has been designed to increase bandwidth between on-chip elements, while simultaneously decreasing latency, and improving power efficiency and scalability...

 Intel Announces New Mesh Interconnect Architecture For Its Upcoming Xeon Scalable Processors @ HotHardware