~/talks

Wei Xu

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titleconferencedate
PageFlex: Flexible and Efficient User-space Delegation of Linux Paging Policies...USENIX ATC '252025-07-07
PageFlex externalizes Linux paging policies by running eBPF policy handlers that read low-overhead in-kernel signals, store a small per-page state slot, and…
Talk on
TsuKing: Coordinating DNS Resolvers and Queries into Potent DoS AmplifiersBlack Hat Europe 20232023-12-04
A new DNS amplification method called TsuKing coordinates vulnerable resolvers via crafted referral chains and an attacker-controlled authoritative king to…
Talk on
LVMT: An Efficient Authenticated Storage for BlockchainOSDI 20232023-07-10
Claims a storage layer called LVMT that swaps Merkle Patricia Tries for an AMT vector commitment plus a multi-layer trie, stores version numbers instead of…
Talk on
NetRPC: Enabling In-Network Computation in Remote Procedure CallsNSDI 20232023-04-17
NetRPC implements an INC-enabled RPC stack that exposes protobuf/grpc interfaces and a JSON net filter to declare primitives like add on map and…
Talk on
A Decentralized Blockchain with High Throughput and Fast ConfirmationUSENIX ATC '202020-07-15
Conflux implements a production Rust blockchain and EVM on Amazon EC2 and demonstrates on up to 12,000 full nodes that the novel Tree-Graph ledger plus the…
Talk on
Talking to an OpenStack Cluster in Plain EnglishSREcon17 Asia/Australia2017-05-22
Wei Xu, Tsinghua University Modern systems build on layers and layers of abstractions with tons of modules. These abstractions help the development but make…
Talk on
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