Complete solution for UET-TSS protocol with rates up to 1.6Tbps.
In the data center environment, the servers, storage and AI/HPC clusters need to move confidential data quickly and securely. Traditionally, RDMA is used as a transport protocol along with the network security based on MACsec and IPsec ESP protocols. To improve efficiency of using Ethernet in AI/HPC systems, the Ultra Ethernet Consortium introduced the new, IP-based transport protocol (UET), along with a new security protocol (TSS), that uses concepts from IPsec and PSP to protect or isolate the traffic. The UET protocol is implemented in SmartNICs that are connected to front-end and scale-out (backend) networks. For line rate performance and lowest latency, the TSS layer shall be implemented fully in hardware, close to the Ethernet port.
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Fig.1: UET-TSS-IP-369 Block Diagram. Source Rambus
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