13 citations · 17 across the 4 of their papers we have counts for
4 papers
Groundhog: Efficient Request Isolation in FaaS
Mohamed Alzayat, Jonathan Mace, Peter Druschel +1
Security is a core responsibility for Function-as-a-Service (FaaS) providers. The prevailing approach has each function execute in its own container to isolate concurrent execution…
Selfish & Opaque Transaction Ordering in the Bitcoin Blockchain: The Case for Chain Neutrality
Johnnatan Messias, Mohamed Alzayat, Balakrishnan Chandrasekaran +3
Most public blockchain protocols, including the popular Bitcoin and Ethereum blockchains, do not formally specify the order in which miners should select transactions from the pool…
Modeling Coordinated vs. P2P Mining: An Analysis of Inefficiency and Inequality in Proof-of-Work Blockchains
Mohamed Alzayat, Johnnatan Messias, Balakrishnan Chandrasekaran +2
We study efficiency in a proof-of-work blockchain with non-zero latencies, focusing in particular on the (inequality in) individual miners' efficiencies. Prior work attributed diff…
Pacer: Comprehensive Network Side-Channel Mitigation in the Cloud
Aastha Mehta, Mohamed Alzayat, Roberta de Viti +3
Network side channels (NSCs) leak secrets through packet timing and packet sizes. They are of particular concern in public IaaS Clouds, where any tenant may be able to colocate and…