Unscheduled scheduled outages

A recent posting to the TENET ren-news list:

All Neotel MPLS GEN3 sites experienced a number of service failures
early yesterday morning. It appears that these were caused by Neotel
maintenance, of which TENET was not informed in advance.

even given

The Service Level Agreement provides that: "...The Providers will give TENET four days' advance notice of planned maintenance."

Let's hope Neotel doesn't become Neotelkom [the new Telkom?] :)

GEN3 draft SLA

GEN3's draft SLA is available (and claims to have been posted on 27th February).
Interesting to see specific figures. I'm intrigued to see that 260 ms RTT 'average'.

5. Availability

The Providers commit to the following levels of service element availability:

Services provided by Neotel:99%

Services provided by Internet Solutions:

International services: 99.8%

National services: 99.95%

6. Response times (“RTT”)

The Providers commit to the following network RTT averages:

Services provided by Neotel: 150 ms

Services provided by Internet Solutions:

International services: 260 ms

National services: 35 ms (services provided out of Rosebank)

50 ms (services provided out of Cape Town)

7. Packet loss

The providers commit to confining packet loss to the following levels:

Services provided by Neotel: 1%

Services provided by Internet Solutions:

International services: 1.5%

National services: 2%