Subj : [$] Offload-friendly network encryption in the kernel
To   : All
From : LWN.net
Date : Tue Jul 09 2024 15:30:05

[$] Offload-friendly network encryption in the kernel

Date:
Tue, 09 Jul 2024 14:18:50 +0000

Description:
The PSP security protocol (PSP) is a way to transparently encrypt packets by
efficiently offloading encryption and decryption to the network
interface cards (NICs) that Google uses for connections inside its data 
centers. The
protocol is similar to IPsec , in that it allows for wrapping arbitrary 
traffic
in a layer of encryption. The difference is that PSP is encapsulated in UDP, 
and
designed from the beginning to reduce the amount of state that NICs
have to track in order to send and receive encrypted traffic, allowing for 
more
simultaneous connections. Jakub Kicinski wants to add support for the 
protocol to the Linux kernel.

======================================================================
Link to news story:
https://lwn.net/Articles/980430/


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