[strongSwan] Parallelism in ESP userspace processing?
martin at strongswan.org
Tue Sep 16 09:42:16 CEST 2014
> For kernel space there is only one thread in ordinary case. But is there
> anything different for userspace backend?
No, our libipsec userspace IPsec backend currently uses a single thread
in each flow direction.
If performance is critical, you certainly should use a kernel based
IPsec backend. It avoids moving packets between kernel and userspace. If
parallelism is required on Linux, you may have a look at the pcrypt
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