SEACOM downtime expected over the weekend

According to MWEB:

"We’ve been notified by Seacom that due to adverse weather conditions the repairs to the undersea cable are going to take longer than originally expected. The work will only be completed some time tomorrow (27th of April). Our alternative international bandwidth is quite congested so we are shaping heavily on things like peer-to-peer. Thank you for your continued patience."

If it's not Neotel cutting Telkom cables (out for two weeks) or Vodacom 3G, then it's Seacom. Africa is not for sissies.
 
According to Axxess:

Posted: 26 Apr 10
Seacom maintenance extended - no international connectivity!
UPDATE: Seacom has advised that repair maintenance work will be performed on the international SMW4 cable on Sunday, affecting traffic across the Seacom cable system. This repair is still in progress. IMPACT: No connectivity ATTENDING: Upstream Service Provider STATUS: Repairing cables
 
Posted: 26 Apr 10
Seacom Maintenance
Seacom maintenance is still going on.. IS have updated us, that they are still in progress with this and are unable to give us an exact ETA in the matter. We will update you as soon as we recieve an update on the matter.
 
Repair work on Mediterranean segment of SEA-ME-WE 4 cable may cause brief SEACOM network disturbance - 23 Apr 2010

SEACOM experienced an interruption in its network on 14 April 2010 which lasted around seven minutes as a result of a fault on the Mediterranean section of the SEA-ME-WE 4 submarine cable system, which SEACOM currently utilizes to connect to London.

SEA-ME-WE 4, which stretches from South East Asia to Europe via the Indian Sub-Continent and Middle East, is now scheduled to undergo repairs on Saturday 24 April 2010 to fix the affected fibre pair in the Mediterranean Sea. This process will be carried by a repair ship which has been deployed to the location of the fault where it will pick up the cable, cut it and bring it onboard to undergo the repair on the optic fibre before the cable is put back in the water. This will result in the power being shut down on the cable for the duration of the repair.

Whilst the disruptive portion of the repair process is expected to be minimal, the precise chronology and actual duration is unpredictable due to exogenous factors such as weather conditions.

SEACOM has been actively working with its clients to put in place suitable alternative channels that will ensure continuous availability during the planned repair work.

Enquiries:
Suveer Ramdhani
+27 83 680 1646
Click to expand...

Source: http://www.seacom.mu/news/news_details.asp?iID=129

Wonder what alternative channels they put in place?
 
Each ISP would have to make their own arrangements. Many are using SAT3 I think. That line must be burning bright today.
 
Warped said:
According to MWEB:

"We’ve been notified by Seacom that due to adverse weather conditions the repairs to the undersea cable are going to take longer than originally expected. The work will only be completed some time tomorrow (27th of April). Our alternative international bandwidth is quite congested so we are shaping heavily on things like peer-to-peer. Thank you for your continued patience."

If it's not Neotel cutting Telkom cables (out for two weeks) or Vodacom 3G, then it's Seacom. Africa is not for sissies.
Click to expand...

... and here in Africa we use smoke signals for fail over :D and loin clothed busmen to deliver our mail
 
I'm with Axxess, my adsl router was dropping on and off all weekend especially on Sunday in the early hours of the morning, the PPP light kept going on and off few half hour or so. I'm presuming this is connected this this issue?
 
apparently it is extended during the week....till the 30th..,. hope it comes by tomorrow.
 
JHatman said:
I'm with Axxess, my adsl router was dropping on and off all weekend especially on Sunday in the early hours of the morning, the PPP light kept going on and off few half hour or so. I'm presuming this is connected this this issue?
Click to expand...

Your router is connected to your ISP via Telkom. Your ISP then makes a connection via another ISP to international traffic via SEACOM. Your problem is local between you and the local ISP.
 
Wow awesome. The picture I had in my head was a bunch of those orange fibres we use in in the server room all wrapped up and dumped at the bottom of the ocean. Reality is way more interesting.

I learned something new today.

Thanks Ponder

ponder said:
The light source is not strong enough in order for it to propagate the light entire length of the cable due to attenuation. In order to get the light from A to B they have to amplify it at certain intervals and in order to do this they use optical repeaters. The optical repeater converts the light to an electrical signal which is in turn again converted to light signal with full strength. In order to do this the optical repeaters require power, electrical power that is. So besides carrying optical fibers the cable also has electrical conductors, armour cladding etc.

Hope this clears it up ;)
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