a query related to multi-homed feature about sctp using vrf

Hi All, 

I have a query  related to multi-homed feature about sctp when using vrf.

There are two endpoints ,endpoint-1 and endpoint-2,Endpoint-1 has 2 
interfaces with same IP address but differents vrf( IP1-vrf 1, IP1-vrf2) 
,while endpoint-2 has 2 interfaces with IP2-vrf 1 and IP3-vrf 2 seprately.
In this case ,I want to know what the IPv4 Address Parameter will be ,in 
INIT (endpoint-1 is client)or INIT ACK(endpoint-1 is server) chunk ,Only 
one IPv4 Address or Two same IPv4 Address? and how can a sctp endpoint know 
vrf about a IP address ?

Could someone explain right solution?
 
Best regards,

Li

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