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Oracle Net 12c: New Implementation of Dead Connection Detection (DCD)

edited Jul 2, 2015 9:22AM in Database Networking (MOSC) 2 comments

With Oracle 12.1, we now have a new and improved mechanism for DCD.

"Oracle Net 12c: New Implementation of Dead Connection Detection (DCD)" (Doc ID 1591874.1) refers:

"The previous implementations of DCD uses TNS packets and relies on underlying TCP send failures.

The TCP stack would need to resend and retransmit the probes - leading to a disconnect which could take several minutes.

The new method of DCD uses the TCP KEEPALIVE socket option."

Please feel free to provide any feedback via this discussion. Is it helpful? Are you missing something? Are there aspects that are not covered?

Is something unclear?

Thanks!

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