DCD Retransmit Limit In Linux Is Influenced By TCP Retransmission
(Doc ID 2385812.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Communications Convergent Charging Controller - Version 6.0.1 and later
Information in this document applies to any platform.
In Oracle Communications Convergent Charging Controller (OC3C) version 6.0.1, the Diameter Charging Driver (DCD) module provides functionality that allows the Prepaid Charging product to interface with applications using the RFC 3588 and RFC 4006 protocol. Typically it is expected that Prepaid Charging will interface with a third-party convergent real-time charging system.
The transmit_limit parameter (from eserv.config file) is setting the maximum number of retransmits (including the original transmission) allowed for a message.
On Linux Operating System (OS), the DCD transmit_limit parameter can be also influenced by the OS tcp_retries2.
tcp_retries2 is the maximum number of times a TCP packet is retransmitted in established state before giving up. The default value is 15, which corresponds to a duration of approximately between 13 to 30 minutes, depending on the retransmission timeout.
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