Quantitative Comparison of the Efficiency and Scalability of the Current and Future LTE Network Architectures

Figure 9

The data plane and control plane loads, over the network routers and links in EPC centralized and decentralized architectures.

(a) Data plane load on the routers

(b) Control messages load (numbers) on the routers in centralized architecture

(c) Control messages load (KB) on the routers in centralized architecture

(d) Data plane load on the network links

(e) Control messages load (numbers) on the routers in decentralized architecture

(f) Control messages load (KB) on the routers in decentralized architecture