Is SCL the Key to Faster, Safer Serverless Apps? Here’s What Benchmarks Say

This article presents a comprehensive evaluation of Secure Capsules Layer (SCL) using DataCapsules for inter-enclave communication. Benchmarks on Intel NUCs examine its performance as a key-value store, replication overhead, and the efficiency gains from circular buffers. Results show reduced communication costs compared to SGX SDK and HotCall, while replication introduces scalability limits. Lambda launch latency, dominated by attestation delays, is analyzed, and a fog robotics case study demonstrates SCL’s potential for scaling distributed, enclave-protected applications in real-world use cases.