External entities are becoming increasingly common in Side-by-Side development and can be used for fast access to On-Prem systems. Let's take another look at the performance of the common protocols and make a comparison: https://software-heroes.com/en/blog/btp-external-entity-performance-en
BTP - External Entity (Performance)

External entities are becoming increasingly common in side-by-side development and can be used for fast access to On-Prem systems. Let's take another look at the performance of the common protocols and make a comparison.