TGh: A TEE/GC Hybrid Enabling Confidential FaaS Platforms

ePrint Report: TGh: A TEE/GC Hybrid Enabling Confidential FaaS Platforms

James Choncholas, Ketan Bhardwaj, Ada Gavrilovska

Trusted Execution Environments (TEEs) suffer from
performance issues when executing certain management instructions, such as creating an enclave, context switching in and out of protected mode, and swapping cached pages. This is especially problematic for short-running, interactive functions in Function-as-a-Service (FaaS) platforms, where existing techniques to address enclave overheads are insufficient. We find FaaS functions can spend more time managing the enclave than executing …

ada confidential context context switching enclave environments eprint report hybrid james management mode performance platforms report