In the Huawei CloudVC 21.0 back-to-back (B2B) networking solution, firewall traversal is achieved using two SwitchCenters (SC) . To ensure security, the connection must be initiated from the more secure zone to the less secure zone.
Intranet SC: Acts as the Traversal Client (TC) . It resides in the internal network and initiates the connection to the SC in the DMZ.
DMZ SC: Acts as the Traversal Server (TS) . It resides in the DMZ and waits for the connection request from the intranet SC.
Statement A is incorrect because it claims the DMZ SC is the client and the intranet SC is the server, which is the reverse of the actual technical configuration. The other statements are correct: the SMC can manage extranet endpoints via the traversal link (B), extranet endpoints use the DMZ SC as their entry point (C), and CloudRSE deployment is flexible based on where the VOD/Live services are consumed (D).
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