<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Job, WG,<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 10 Nov 2017, at 15:31, Tim Bruijnzeels via db-wg <<a href="mailto:db-wg@ripe.net" class="">db-wg@ripe.net</a>> wrote:</div><div class=""><br style="font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">We can look into this next week.</span><br style="font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Kind regards</span><br style="font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">Tim</span><br style="font-family: Monaco; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""></div></blockquote></div><div class=""><div class=""><br class=""></div><div class="">there is an existing NRTM 'end-of-stream' indicator, if keep-alive is not used: a comment '%END RIPE' is output after the last object. We could also add an 'end-of-stream' comment in keep-alive mode, something like '%END (starting serial) - (ending serial)', which is output after any backlog of updates.</div><div class=""><br class=""></div><div class="">It's still possible not to have any updates for a time, which a client may see as a timeout. We could also add a heartbeat mechanism, to periodically output a comment such as '%HEARTBEAT', if there have not been any updates.</div><div class=""><br class=""></div><div class="">Do either of these changes necessitate a new protocol version?</div><div class=""><br class=""></div><div class="">We could also provide NRTM over HTTP(S) WebSockets, that protocol includes support for a Ping/Pong heartbeat mechanism.</div><div class=""><br class=""></div><div class="">Regards</div><div class="">Ed</div></div><div class=""><br class=""></div></body></html>