19:21:20 RRSAgent has joined #ws-ra 19:21:20 logging to http://www.w3.org/2010/06/08-ws-ra-irc 19:21:22 RRSAgent, make logs public 19:21:22 Zakim has joined #ws-ra 19:21:24 Zakim, this will be WSRA 19:21:24 ok, trackbot; I see WS_WSRA()3:30PM scheduled to start in 9 minutes 19:21:25 Meeting: Web Services Resource Access Working Group Teleconference 19:21:25 Date: 08 June 2010 19:22:20 DaveS has joined #ws-ra 19:24:55 dug has joined #ws-ra 19:27:07 WS_WSRA()3:30PM has now started 19:27:14 +Doug_Davis 19:27:43 +Bob_Freund 19:27:51 gpilz has joined #ws-ra 19:27:57 + +1.831.713.aaaa 19:28:16 asoldano has joined #ws-ra 19:28:36 +??P11 19:30:02 MartinC has joined #ws-ra 19:30:32 Tom_Rutt has joined #ws-ra 19:31:07 +Tom_Rutt 19:31:51 +Wu_Chou 19:31:51 regrets+ Katy Warr 19:32:13 + +1.571.262.aabb 19:32:45 wuchou has joined #ws-ra 19:33:06 + +03531498aacc 19:33:30 zakim, +0353 is MartinC 19:33:30 +MartinC; got it 19:33:57 echo echo echo 19:34:03
  • li has joined #ws-ra 19:34:57 is the conf code still the same? 19:35:01 yes 19:35:07 zakim, mute MartinC 19:35:07 MartinC should now be muted 19:35:15 just a guess :-) 19:36:21 + +1.408.970.aadd 19:36:44 Fred_Maciel has joined #ws-ra 19:36:53 + +1.800.456.aaee 19:37:08 wow - 800 # 19:37:13 present+ Rick Landau 19:37:24 + +039331574aaff 19:38:18 scribe: aoldano 19:38:29 - +039331574aaff 19:38:33 Agenda: http://lists.w3.org/Archives/Public/public-ws-resource-access/2010Jun/0002.html 19:38:42 my line has fallen,... redialing 19:40:10 Does this work? 19:40:27 scribe: Fred Maciel 19:40:55 topic: approval of agenda 19:41:03 No opposition, agenda approved. 19:41:11 topic: approval of the minutes 19:41:18 No opposition, minutes approved 19:41:36 + +039331574aagg 19:41:58 topic: issue 9610 19:41:59 aagg is asoldano 19:42:04 +[Oracle] 19:42:08 Zakim, aagg is asoldano 19:42:08 +asoldano; got it 19:42:14 - +1.571.262.aabb 19:42:32 + +1.571.262.aahh 19:43:51 Vikas has joined #ws-ra 19:44:49 q+ 19:45:01 q+ 19:45:02 q+ 19:45:02 Heartbeat is in fact a keepalive. 19:46:19 Rate is expected to be long, usually around 5 minutes, so no undue burden on the network. 19:50:45 q+ 19:50:52 q- 19:51:56 w3c1 has joined #ws-ra 19:55:41 q+ 19:55:42 Question: Is the current mechanism only one way, or is the subscriber also tested for being allive by the event deliverer? 19:55:45 ack dave 19:56:58 where are my skis 19:57:19 q+ 19:57:22 ack dug 20:00:47 zakim, unmute MartinC 20:00:47 MartinC should no longer be muted 20:01:01 ack martin 20:01:28 http 1.1 specifies "persistent" connections 20:01:52 http 1.0 had a keep alive mechanism, but it got useless in http 1.1 20:02:14 tcp keep alive is a 60 byte request 20:02:32 but it is widely ignored 20:03:05 I would prefer a KeepAlive notification and just make sure your filter includes it 20:03:10 zamik, mute Martin 20:03:15 zamik, mute MartinC 20:03:25 zakim, mute Martin 20:03:25 MartinC should now be muted 20:03:36 zamik, nobits zaraih! 20:03:47 can't type today 20:04:52 tradeoff on persistent connections is the thread needed for each one 20:05:06 I can't help but wonder why we're so concerned about a Sub vanishing but not a Transfer resource? 20:05:24 but this is a fault tolerance issue 20:05:31 ack wu 20:05:59 q+ 20:06:16 q+ 20:07:10 ack dave 20:09:17 me too :-) 20:10:01 well, w/o RM the heartbeat could be lost 20:11:23 this seems to be about connection availability not about server/subscription. we dont explictly tie a subscription to a single connection 20:14:08 q+ 20:14:09 ack dug 20:16:21 q+ 20:20:24 If the event source terminates a subscription unexpectedly, and it supports the use of the EndTo EPR, and the EndTo EPR was present in the Subscribe message for that subscription (seeĀ 4.1 Subscribe), the SubscriptionEnd message MUST be sent to the endpoint reference indicated by that EPR, if possible. 20:22:56 zakim, unmute MartinC 20:22:56 MartinC should no longer be muted 20:24:00 ack martin 20:24:22 is the status of the communication link really a concern of ws-ra? 20:24:39 I didn't think so 20:24:59 zakim, mute MartinC 20:24:59 MartinC should now be muted 20:25:23 stop muting me;) 20:25:25 SubEnd will tell you that 20:25:27 ack dave 20:25:31 LOL sorry but the echo is bad 20:26:30 of course the alive is only sent if the subscription is active, but it only tests the connection 20:26:57 no alive will be sent if a subscription has expired 20:27:34 lol 20:27:57 q+ 20:28:19 +1 dave 20:28:36 +1 20:28:51 ack wu 20:30:35 ack w3 20:32:44 q+ 20:32:54 go idea bob 20:33:01 s/go/good/ 20:33:57 Summary: there are different kinds of deployment scenarios that will need different kinds of periodic messages. Might need to be a special message type dependent on the domain of implementation. 20:36:13 only issue with a heartbeat event is that you have no control over the timing of it 20:36:42 s/event/event sent due to a filter/ 20:40:28 q+ 20:40:49 ack tom 20:40:50 bob - didn't you mean all of this under one subscription? 20:41:07 I did. 20:44:36 ack dave 20:44:56 q+ 20:45:30 we'd need to modify the Filter stuff to have more than one filter (and make them an OR), no? 20:47:07 we could define some AND and OR filters, then people could mix-n-match to get the exact events they want 20:48:15 q+ 20:48:25 q+ 20:49:08 ack wu 20:49:12 ack dug 20:52:09 ack w3 20:53:52 i still think the cleanest solution here is to define a special event 20:53:59 in some other spec! 20:55:12 there are problems with all proposals ina general context 20:56:54 q+ 20:57:24 ack tom 20:58:06 throttling and aliveness are orthogonal concepts 20:59:48 a) heartbeat proposal by gil/wsman 21:00:20 b) domain defined event type that could be subscribed / filter 21:00:51 c) device/domain fixed begavior 21:01:15 d) add interval & count to getstatus/verify 21:01:23 e) cwna 21:01:33 f) cwna & kill current verify 21:03:21
  • s/begavior/behavior/g 21:03:22 me have run out of time so can we think about this for next meeting 21:03:27 Q: can you live with one of these approaches? 21:03:52 RedHat: b c e f 21:04:03 IBM: b e f 21:05:00 Fujitsu: b d e f 21:05:20 Hitachi: abstain 21:05:35 Oracle: d e f 21:05:45 i can live with b, gil couldn't 21:06:03 Avaya: a b d e f 21:06:16 SoftwareAG: b e f 21:08:34 next week please! 21:08:55 at least B is a more generic solution 21:09:08 agreed 21:10:11 -Wu_Chou 21:10:13 -[Oracle] 21:10:14 -asoldano 21:10:17 -Bob_Freund 21:10:18 -??P11 21:10:19 Continue discussion next week on "b", "e" or "f". 21:10:20 zzzzzzzzzzzzzzz 21:10:22 - +1.571.262.aahh 21:10:25 -MartinC 21:10:26 -Doug_Davis 21:10:30 - +1.408.970.aadd 21:10:31 -Tom_Rutt 21:10:33 - +1.800.456.aaee 21:11:12 asoldano has left #ws-ra 21:12:14 rrsagent, generate minutes 21:12:14 I have made the request to generate http://www.w3.org/2010/06/08-ws-ra-minutes.html W3C 21:12:36 W3C has left #ws-ra 21:14:36 w3c1 has left #ws-ra 21:15:33 disconnecting the lone participant, +1.831.713.aaaa, in WS_WSRA()3:30PM 21:15:35 WS_WSRA()3:30PM has ended 21:15:39 Attendees were Doug_Davis, Bob_Freund, +1.831.713.aaaa, Tom_Rutt, Wu_Chou, +1.571.262.aabb, +03531498aacc, MartinC, +1.408.970.aadd, +1.800.456.aaee, +039331574aaff, 21:15:42 ... +039331574aagg, [Oracle], asoldano, +1.571.262.aahh 21:53:47 gpilz has left #ws-ra 23:10:32 Zakim has left #ws-ra