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Table 2 Comparison of features: ECDU vs. CDN

From: ECDU: an edge content delivery and update framework in Mobile edge computing

 

ECDU

CDN

Distance to mobile users

Small (tens to hundreds of meters)

Large (tens of kilometers)

Upload strategy

Upload all the captured content to the content server and upload popular content to the cloud data center

Upload all the captured content to the cloud data center directly

The load on the core network

Light load

Heavy load

Delivery strategy

Deliver popular content to the cache pools

Deliver all the requested content to the proxy servers

Peer communication

Autonomic communication with data transmission

Without autonomic communication

Back-haul usage

Infrequent use (alleviate congestion)

Frequent use (can cause congestion)

Collaborative Decision Making

Yes

N/A