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Ivan Kluchnikov Ivan.Kluchnikov at fairwaves.ruHi all, The attached patches for openbsc and osmo-bts finally fix issues which were discussed above. There are two parts: 1. Implementation of sending rsl Delete_Ind message (on bts side) and handling it (on bsc side). Bts should send rsl Delete Ind message to bsc, if there is no space in agch queue and bts can not send current imm assign message. When bsc receives Delete_Ind message from bts, bsc should release allocated channel, which was specified in dropped imm_assign message. 2. Implemented calculation of agch queue length. Bts should calculate allowed length of agch queue, because bts should send imm assign message before immediate assignment procedure will be aborted by MS. Imm assign message can be queued no longer than T3126, so agch queue length should be equal (T3126 / 51 ) * bs_ag_blks_res. These patches fix critical issues and prevent network failures under heavy load, so it makes sense to merge them asap. 2013-09-10 16:50 GMT+04:00 Holger Hans Peter Freyther <holger at freyther.de>: > On Tue, Sep 10, 2013 at 02:24:38PM +0400, Alexander Chemeris wrote: >> >> If Andreas don't implement the calculation, we'll go with a manually >> configured limit. Should be fine for most use cases. > > come on, please don't be so lazy. > -- Regards, Ivan Kluchnikov. http://fairwaves.ru -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-rsl-Implement-handling-of-rsl-Delete-Ind-message.patch Type: text/x-diff Size: 1750 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20140211/72331ddf/attachment.bin> -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-rsl-Send-rsl-Delete-Ind-message-to-bsc-if-there-is-n.patch Type: text/x-diff Size: 1505 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20140211/72331ddf/attachment-0001.bin> -------------- next part -------------- A non-text attachment was scrubbed... Name: 0002-bts-Calculate-length-of-agch-queue.patch Type: text/x-diff Size: 2819 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20140211/72331ddf/attachment-0002.bin>