Hi,

A few years ago, we worked on fail-over, load balancing.. [1] and would be
happy to help.

Yours,
Daniel

[1]
https://tools.ietf.org/html/draft-plmrs-ipsecme-ipsec-ikev2-context-definition-01

On Sun, Oct 29, 2017 at 2:55 AM, Valery Smyslov <[email protected]> wrote:

> Hi,
>
> The problem with IKE Redirect is that it requires IKE SA to be
>>> re-established
>>> from scratch.
>>> It consumes quite a lot of resources and takes noticeable amount of time.
>>> Moreover, in some cases it could require human interaction (in case of
>>> some
>>> EAP methods or if access to client's credentials requires entering PIN),
>>> so it
>>> may be inappropriate.
>>> The idea is to have a solution that utilizes already established IKE SA
>>> and
>>> moves it (along with its Child SAs) from one cluster member to another
>>> without creating new IKE SA.
>>>
>>
>> [HJ] two questions:
>> 1. this sound interesting, however how to do it securely is the most
>> important question, do you already have draft?
>>
>
> draft-smyslov-ipsecme-ikev2-r-mobike
>
> 2. if the use case is load-balance, then  wouldn't it be better off to
>> make a selection right upon client connects (e.g. redirect during IKE_AUTH)
>> than move SA around after tunnel is established  ?
>>
>
> This is definitely an option (ant even can be achieved with IKE redirect).
> However, once client is connected you cannot move it to another member,
> so depending on clients' activity members load can become very uneven and
> you cannot balance it without forcing clients to reconnet. The desire is
> to be able to dynamically balance members load.
>
> Regards,
> Valery.
>
>
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