SCTP多宿主INIT消息

Question

在SCTP多宿主配置中，我配置了兩組主 - 副路徑。我的問題是INIT命令默認發送到主或輔助設備的哪個位置（假設這兩個路徑都在運行）？ 是否有任何條件只有在INIT狀態下INIT需要在主路徑上發送？

Answer 1

任何SCTP數據包，默認都應該使用主路徑發送。這是我在RFC 4960中 - 秒：6.4 - 帕拉：III

By default, an endpoint SHOULD always transmit to the primary path, 
unless the SCTP user explicitly specifies the destination transport 
address (and possibly source transport address) to use. 

關於第二個問題 - 「在那個時候，INIT需要被主路徑上發送，只有當它處於UP狀態的情況？ 「

通過關閉的接口發送看起來不合邏輯。以下是RFC 4960 - Sec：6.4.1 - Para：II

When there is outbound data to send and the primary path becomes 
inactive (e.g., due to failures), or where the SCTP user explicitly 
requests to send data to an inactive destination transport address, 
before reporting an error to its ULP, the SCTP endpoint should try to 
send the data to an alternate active destination transport address if 
one exists.