In the gNodeB CU/DU separation architecture, the CU and DU are connected through the N2
interface.
Question No 2
In the 5G bearer network, the EVPN protocol is used to replace the traditional tunneling protocol.
Question No 3
Both optical and electrical RHUB ports in LampSite networking support pRRU cascading.
Question No 4
Under NSA networking, the smallest granularity of PDCP layer business offloading is user level.
Question No 5
When the 4G side initiates the release in the NSA network architecture, the X2 interface signaling
sees that the 4G base station sends SGNB_REL_REQUEST to the 5G base station.