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  • close to two root servers DNSQC TF DNS Quality Check Task Force Update Yasuhiro Orange Morishita email protected Objectives to check and correct DNS misconfigurations under the jp tld Started in 2002 Check for lame delegations inconsistent NS RR bad SOA NS MX records use of private IP addresses etc The check code is a 2 400 line perl code using dig to send queries serially The serial version takes 2 days for 400 000 zones so this will be altered to a parallel mode of behaviour They are seeing some 38 of zones with errors with 25 being NS inconsistencies and 17 with lame delegations They are looking at notification continuous checking and sweeping lames and errors KR DNS behaviours George Michaelson Speculative look at the Korean DNS traffic with the Slammer worm RIR stats Axel Pawlik Summary report on assignments and coordinated activities Note rise in V6 allocations in the RIPE region for 2002 ERX transfer project underway Report on APNIC policy work on IPv6 sparse allocation was noted as being referred to the policy mailer ARIN is working on lame delegations ERX rwhois project incl integration with CRISP and Cert Auth RIPE is implementaqtion sub allocation policy and portable address task force is underway Anycasting of K root has the proposal out and it will be taken from there DNS RTTs as viewed from multiple sites Nevil Brownlee Gather DNS behaviour from multiple sites Nevil s approach relies on passive traffic monitoring Uses 3 observation meters San Diego Auckland Boulder with 9 weeks of accumulated data gathered so far Very little correlation of data observed so far from the three sites There is some regular spikes in delay for all 3 meters for some servers Sink Hole Deployments Barry Raveendran Greene email protected Sink holes are proving

    Original URL path: http://www.iepg.org/march2003/notes.html (2016-04-25)
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  • IEPG Meeting Notes - 17 November 2002
    chartered RIR Review V4 allocation 17 8 6 6 attempting to return to the pool 44 still available at this stage historic allocations 35 5 RIRallocations 14 ExperimantalReserved 6 3 Multicast 6 3 higher utilization rates in the RIR allocation blocks is a reasonable supposition ASN assignments 57 available V6 allocation review 35 32 allocations Joint Activities aso SUPPORT arin TO apnic 2003 Outreach East Africa Forum and IPv6 Forum Coordination IPv6 common policy ERX Early Registration Exchange project Sgtaff exchange RIR blueprint Comment PLease have non overlapping meeting dates for RIR meeings Routing Beacons and other things H Uijterwaal beacons pdf ppt Look at route flapping flap dampening BGP under stress Use a test rig that announces and withdraws a know prefix at known intervals There are usually 2 or 3 beacons active at any particular time Request to set up more beacons RIPE NCC to set up more at their route collector sites 9 Uses a 19 for this as an experimental effort Announcements are at 0 4 8 GNT witgh withdrawals at 2 6 GMT The beaconing prefix is 195 80 224 0 24 195 80 225 0 24 195 80 232 0 24 at each route collector point What do you see list all the BGPupdates following an announce or withdraw time withdraws may trake up to 24 updates before the withdrawal is complete latency for event and first response appears to have a median of some 30 seconds with a tail of up to 140 seconds last message is lingering announcements tail off after 200 secs withdraaws tail off after 500 seconds time that a prefix is unstable withdrawals time of last message time of first message note a staggering of 30 second clumps of min route advert update interval note also the lengthening paths for withdrawals Latency roughly consistent with previous studies same effect of expanding paths as per previous studies questions and work remain Update on RIR IPv6 Update on Test Traffic CDMA clocks for the synchronized measurement IPv6 also available Contact Henk for details Q Are beacons similar to the IPMA fault injector A This was an experiment some time ago and no longer active 3 GEANT Deployment of Premium IP Simon Leinen geant pdf Environment of a Backbone network with heterogenous national networks with campus networks GEANT has been active for around 12 months using a 10G STM 64 POS core Heavily overprovisioned network SEQUIN Project of DIffServ deployment Objective to find a replacement for a managed bandwidth virtual circuit service that based on ATM in a previous incarnation of the pan European network A need for two elevated services premium low jitter rate limited service and some form of IP using some kind of assurred rate model e g min dandwidth guarantee couldn t build Note this is multi domain in cores plus national feeder networks Implementaiton of low jitter service within a domain this is classical EF based implementation use different policing granularity core does AS pairs edges may

    Original URL path: http://www.iepg.org/november2002/notes.html (2016-04-25)
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  • MagicPoint presentation foils
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    Original URL path: http://www.iepg.org/july2002/ggmlamer/index.html (2016-04-25)
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  • note reducing allocation rate in 2002 compared to 1999 2001 trends by country breakdown shows JP CN KR US and AU as the largest national domains for allocations AS ARIN greatest in 2002 AS assignments also shows a decreasing rate IPv6 allocations APNIC and RIPE have allocated 125 blocks ARIN has allocated 29 historically 2002 shows continued growth by country JP US DE and KR as largest national entities APNIC whois v3 migration Mid August test at v3 whois net irr at irr apnic net and will migrate to the whois db delegations v6 21 and v4 221 8 MyAPNIC integrated frontend myapnic net ARIN new DB to be released in Aug with training underway LACNIC transition support final apporval of LACNIC antipcated in November 2002 RIPE V6 23 new V4 policy documentation secure member service web portal undcer development RIPE NCC Member survey being conducted RIPE RIS has a US presence at MAE WEST phased out Mail Fropm to MD5 PW authentations routing registry full prototype and IRR toolset developed plans include reporting and interface enhancements Henk Uijterwaal EBONE Postmortem A look at the effects of the EBONE shutdown Background of a KPNQWEST build First shutdown commencing July 2 EBONE with next major shutdown planned for July 19 Used RIPE NCC one way delay loss measurement network Some 2000 paths had some EBONE implications Use of TTM alarms for long and short term average deviation The TTM alarms rose from a daily average of 400 day to 650 on July 2 The RIPE hourly data shows the work progres of the shutdown Look of individual paths for connection loss and rerouting some identication of path loss in the data for some single homed EBONE downstream nets some identification of re routing with subsequent re engineering to a stable path identification of restoration to longer latency paths visibility of restoration to lower capacity switching equipment with higher loss and jitter due to overload on the switching infrastructure use of a superior backup path Summary the internet surivived quite comfortably with some assertion that it is not as good as before although the mapping of volume to paths is not availble Akiro Kato JPNIC DNS misconfiguration Observation of may unanswered DNS queries and 8 2 3 bug for lame delegation being exercised The question is wether the DNS is being operated correctly or how much is bad out there JPNIC set up a DNSQC TF intended to improve the DNS quality active monitoring and active messaging on errors passive diagnosis to allow others to check their DNS configs JP has about 370 00 delegations with 800000 NS records in the jp domain with 2 16 NS records per delegation This is scatteres across 72 000 DNS servicers Initial survey conducted June 14 18 2002 using dig queries for DNS server version lame delegation consistency on NS record set Of the 72 000 servers 5 had non resolvable names no IP addresses 12 of the servers were not accessible Of the 800

    Original URL path: http://www.iepg.org/july2002/notes.html (2016-04-25)
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  • MagicPoint presentation foils
    index text page start prev next last Page 1 APNIC LAME NS measurements Generated by MagicPoint

    Original URL path: http://www.iepg.org/july2002/ggmlamer/mgp00001.html (2016-04-25)
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  • MagicPoint presentation foils
    index text page start prev next last Page 2 Methodology Generated by MagicPoint

    Original URL path: http://www.iepg.org/july2002/ggmlamer/mgp00002.html (2016-04-25)
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  • MagicPoint presentation foils
    index text page start prev next last Page 3 Initial outcomes from 97 days Generated by MagicPoint

    Original URL path: http://www.iepg.org/july2002/ggmlamer/mgp00003.html (2016-04-25)
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  • MagicPoint presentation foils
    index text page start prev next last Page 6 Lameness trend all good or all bad Generated by MagicPoint

    Original URL path: http://www.iepg.org/july2002/ggmlamer/mgp00006.html (2016-04-25)
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