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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged. Change subject: Reduce T3113 default from 60s to 10s ...................................................................... Reduce T3113 default from 60s to 10s Our T3113 timer default of 60s was set early in the development of OpenBSC, where we didn't really know what values to use and used excessively large/safe values. Paging the same MS for 60 seconds (even if there's no paging response) will however create a lot of PCH load for no good reason. It seems there's no clear guidance as to what the value should be. Other implementations use something in the order of 10 seconds (OpenBTS, yateBTS), which seems more realistic. THe Siemens BS-11 has a default of 5 seconds. Let's be conservative and go to 10s as a default, which is already 6 times less potential PCH usage than our default so far... Closes: OS#2756 Change-Id: If9c8441939c6fdcf6e2b9ede8cc576eb86296209 --- M include/osmocom/bsc/gsm_data.h 1 file changed, 1 insertion(+), 1 deletion(-) Approvals: Harald Welte: Looks good to me, approved Jenkins Builder: Verified diff --git a/include/osmocom/bsc/gsm_data.h b/include/osmocom/bsc/gsm_data.h index 3fdc826..776fcfe 100644 --- a/include/osmocom/bsc/gsm_data.h +++ b/include/osmocom/bsc/gsm_data.h @@ -276,7 +276,7 @@ #define GSM_T3107_DEFAULT 5 /* s */ #define GSM_T3109_DEFAULT 19 /* s, must be 2s + radio_link_timeout*0.48 */ #define GSM_T3111_DEFAULT 2 /* s */ -#define GSM_T3113_DEFAULT 60 +#define GSM_T3113_DEFAULT 10 /* s */ #define GSM_T3115_DEFAULT 10 #define GSM_T3117_DEFAULT 10 #define GSM_T3119_DEFAULT 10 -- To view, visit https://gerrit.osmocom.org/5343 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: merged Gerrit-Change-Id: If9c8441939c6fdcf6e2b9ede8cc576eb86296209 Gerrit-PatchSet: 3 Gerrit-Project: osmo-bsc Gerrit-Branch: master Gerrit-Owner: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder