Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 1 A first look at the effects of the Ebone shutdown Henk Uijterwaal and René Wilhelm RIPE NCC 28 February 2016

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 2 KPNQwest Build a network of fibers in Europe –Including take-overs and mergers –Ebone network Typical dot com –Huge debts –Few paying customers –Creative bookkeeping Filed for bankruptcy on May 31 Former Ebone network to be shut down first –July 2, in the morning Next major shutdown planned for July 19

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 3 RIPE NCC Test-Traffic Measurements RIPE NCC Service to measure one-way delays and losses Measurement stations all over the world Full mesh Some 2,000 paths that might include the Ebone network

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 4 TTM data Network alarms –Monitors incoming delays –2 averages: Long (30 days) and short (15 minutes) –Warns operator (and us) if recent delays are outside the expected range Delay and Loss plots

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 5 Delay and Loss plots, format

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 6 Delay and Loss plots, format Delay –Top left –X-axis: Time of day (July 02 0:00 – July 03 0:00, GMT) –Y-axis and black dots: Delay in ms for individual packets –Red dots: #hops times 10 Delay distribution –Top right Loss –Bottom right –X-axis: Time of day –Y-axis: % of packets that arrived over 15 minutes = 100%- loss

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 7 Number of alarms per day

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 8 Number of alarms per hour

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 9 Individual connections “Is the Internet still working?” Expect: –No connection –Rerouting –Other effects Went through all plots for that day

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 10 No connection

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 11 No connection (2)

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 12 No connection (3)

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 13 Major re-routing

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 14 Major re-routing Munich-New York

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 15 Major re-routing Munich – San Jose – New York

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 16 Shutdown of the wrong line

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 17 The network is getting slower

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 18 The network is getting slower (2)

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 19 Overloading of old equipment

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 20 Overloading of old equipment

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 21 Is everybody unhappy then? No, better backup path

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 22 Summary “The Internet is still working!” Not as good as before though –Connection lost on 1 path out of 2116 –Lots of re-routing Unstable routes for 30 to 150 minutes Sub-optimal paths afterwards –Lots of connections became slower Business opportunity for 400 M€ More fun expected this Friday

Henk Uijterwaal. RIPE 42, 28 February 2016, Amsterdam. / 23 Questions, Discussion