[IPsec] Why ipsecme-anti-replay-subspaces is needed.

2023-12-04 Thread Pierre Pfister (ppfister)
Hi all, I'd like to encourage a discussion here around why the solution described in draft-ponchon-ipsecme-anti-replay-subspaces is needed, and why draft-ietf-ipsecme-multi-sa-performance is not sufficient for us. So far, we have received feedback from people supporting our work, and sharin

Re: [IPsec] Why ipsecme-anti-replay-subspaces is needed.

2023-12-04 Thread Ben Schwartz
As I've mentioned previously, I think this draft is valuable for "network-to-network" tunneling, where the sender and receiver are both represented by a large (and evolving) collection of gateways (perhaps sharing IPs via anycast). This situation requires O(N^2) SAs in the current protocol, bu

[IPsec] Why ipsecme-anti-replay-subspaces is needed.

2023-12-04 Thread Tero Kivinen
Pierre Pfister \(ppfister\) writes: > "Creating 144 IPsec SA should take less than tenth of a second. > IKEv2 have windowing mode. With really big systems, creating more > SAs is not an issue." > > We unfortunately cannot afford to throw more cores at every scaling > issue that we have. IPsec har