Hi Omar, Both will end up sending the data with sendmsg(), but sctp_sendv() will allow more flexibility. Unless you save some syscalls because of it, performace wise it should be very similar. Regards, Marcelo On Wed, Jul 13, 2022 at 02:58:40PM +0200, o.evistel@xxxxxxx wrote: > Dear Marcelo > > I am using linux-sctp as transport for SIGTRAN M3UA on RHEL 8.4 and I am using sctp_sendmsg() and sctp_recvmsg() to send/receive. > I would like to know if the use of sctp_sendv() and sctp_recvv() enhances performances ? > > Regards > Omar AIT AMRANE >