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Scenario

The SBC supports encryption across the access and core networks.

Background Information

  • Refer to the background information in Basic Service Availability - DNS.
  • The SBC supports various encryption protocols such as TLS, IPsec and SRTP.
  • Since the peers are trusted in the core network, encryption protocols may not be necessary on this side.

Description

Encryption support

  • IADs may use secure paths, such as TLS, IPsec and SRTP for encryption.
  • The SBC performs scaling as each end point requires a separate connection/tunnel. With support for encryption protocols, the SBC transmits the message to the core network.

Crypto Suites

TLS/DTLS Crypto Suites

Refer to TLS for Signaling for details.

SRTP Crypto Suites

Refer to SRTP for Media for details.


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