Re: [IPsec] I-D Action: draft-he-ipsecme-vpn-shared-ipsecsa-00.txt

2024-03-20 Thread Michael Richardson
Panwei (William) wrote: > Hi Michael, >> > At yesterday's meeting, I think people basically understood and > >> accepted the problem statement itself, but also raised different > >> ideas regarding to the solutions. We'll try to do more analysis > and >> comparison of possib

Re: [IPsec] I-D Action: draft-he-ipsecme-vpn-shared-ipsecsa-00.txt

2024-03-20 Thread Panwei (William)
Hi Michael, > > At yesterday's meeting, I think people basically understood and > > accepted the problem statement itself, but also raised different > > ideas regarding to the solutions. We'll try to do more analysis > > and comparison of possible solutions, includ

Re: [IPsec] I-D Action: draft-he-ipsecme-vpn-shared-ipsecsa-00.txt

2024-03-20 Thread Michael Richardson
Panwei \(William\) wrote: > At yesterday's meeting, I think people basically understood and > accepted the problem statement itself, but also raised different ideas > regarding to the solutions. We'll try to do more analysis and > comparison of possible solutions, including what

Re: [IPsec] I-D Action: draft-he-ipsecme-vpn-shared-ipsecsa-00.txt

2024-03-20 Thread Panwei (William)
quot; field or not? Regards & Thanks! Wei PAN (潘伟) > -Original Message- > From: Steffen Klassert > Sent: Friday, March 15, 2024 5:31 PM > To: Paul Wouters > Cc: Panwei (William) ; ipsec@ietf.org WG > > Subject: Re: [IPsec] I-D Action: > draf

Re: [IPsec] I-D Action: draft-he-ipsecme-vpn-shared-ipsecsa-00.txt

2024-03-15 Thread Steffen Klassert
On Mon, Mar 11, 2024 at 11:36:03AM -0400, Paul Wouters wrote: > On Mon, 11 Mar 2024, Panwei (William) wrote: > > > Indeed, splitting the 32-bit SPI into two sub-fields, the VPN ID sub-field > > and SPI sub-field, may also be one option. This solution doesn't need to > > change the ESP packet for

Re: [IPsec] I-D Action: draft-he-ipsecme-vpn-shared-ipsecsa-00.txt

2024-03-11 Thread Paul Wouters
On Mon, 11 Mar 2024, Panwei (William) wrote: Indeed, splitting the 32-bit SPI into two sub-fields, the VPN ID sub-field and SPI sub-field, may also be one option. This solution doesn't need to change the ESP packet format, but it also has some disadvantages. The first one is the scalable issue

Re: [IPsec] I-D Action: draft-he-ipsecme-vpn-shared-ipsecsa-00.txt

2024-03-11 Thread Panwei (William)
Hi Paul, Thanks for your quick comments. But I'm sorry for the late response due to I was out of the office for a few days. > I can see how you want an extra SPD selector for the VPN ID - but > maybe call it Namespace ID or something else as VPN ID is confusing. Thanks for pointing out

Re: [IPsec] I-D Action: draft-he-ipsecme-vpn-shared-ipsecsa-00.txt

2024-03-05 Thread Paul Wouters
Initial thought while having morning coffee. I can see how you want an extra SPD selector for the VPN ID - but maybe call it Namespace ID or something else as VPN ID is confusing. Your gateway that needs to support say 256 VPN IDs could split up its SPI range so it can detect which VPN to send

Re: [IPsec] I-D Action: draft-he-ipsecme-vpn-shared-ipsecsa-00.txt

2024-03-05 Thread Panwei (William)
Hi folks, We've encountered a real problem when using IPsec in the Multi-VPN environment. We find that separate IPsec tunnels (i.e., different IKE SAs and different Child SAs) are needed for each VPN to distingue the traffic from different VPNs. But, due to the number of peer devices and the numb