"ip sla monitor" with bird ?

Hello, I know this feature is highly cisco related, but i want to know if it can be planned for a future release or not ? For those who maybe doesn't know this kind of feature, i want to condition bgp advertisement or kernel route sync with an external check. By the way, i'm interested if someone have done similar mecanism with opensource software. Thanks ! -- Hervé COMMOWICK, EXOSEC (http://www.exosec.fr/) ZAC des Metz - 3 Rue du petit robinson - 78350 JOUY EN JOSAS Tel: +33 1 30 67 60 65 - Fax: +33 1 75 43 40 70 mailto:hcommowick@exosec.fr