70 | EdgeSync Manual rev 1 orolia.com
Figure 48 5G RAN Architecture evolution
EdgeSync for 5G deployment
There is a lot of activity currently going on in 5G as the ecosystem evolves. There are legacy vendors
(Ericsson, Huawei, Nokia, etc.) working with the carriers in building and deploying a single-vendor
solution. Besides these legacy vendors and providers, a new host of companies have entered the 5G
ecosystem. The basic driving factor for new players is that 5G is seen as a new technology that requires
products from multi-vendors to be interoperable and there is no single vendor “lock-in”. Most of the
hardware is off-the-shelf and the software is open source which empowers smaller players to enter
into this market. Regardless of whether the network operator deploys a disaggregated multi-vendor or
the legacy single-vendor infrastructure, precise timing and synchronization is critical.
Shown below is how EdgeSync can be deployed for the different configurations as specified in
Synchronization plane (or S-plane) of ORAN Workgroup-4. The configurations are specified as LLS-C1
through LLS-C4, where LLS = low-level split. The recommendation by ORAN is to use G.8275.1 profile
along with SyncE.
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