Monday, February 04, 2008

Night-time power usage, redux

So the newspapers [Business Report, at least] have finally caught up.
Power rationing could result in demand for electricity falling by between 10 percent and 20 percent if successful and could dent Eskom's revenue, presenting further difficulty in funding the company's capital expansion.
You read it here first, folks! So I've been ahead of the game on that call :) I look forward to breaking many more stories for y'all.

Roll on Electric-gates!

Sunday, January 20, 2008

AMS-IX tops 400 Gbps

AMS-IX finally tops 400 Gbps (this happened a few days back, but it's taken me a while to get in front of a PC):


Now the daily graph does only show a 395 Gbps maximum, so this could be [partially] an aliasing issue, but I think it's safe to say that the milestone is passed.

Eskom vs corporate consumers

Why are people so upset with office blocks leaving lights on the whole night?

It's not like Eskom can save all of that power for use during the day; Palmiet can only generate a modest amount of power: the 2 turbines are only 200 MW each.

And who else is using lots of power at night? Not household consumers. So there is more than enough to go around at that time.

And who else is using lots of power during the day? Not household consumers. Many of them are at work / school / out-of-the-house.

So the primary contention-period is during early-morning periods (with hot water cylinders, kettles, and microwave ovens going mad) or evening periods (with hot water cylinders, stoves/microwave ovens, televisions*, and heaters/airconditioning being the primary culprits). And many people are early into their offices (I used to get in before 6am myself sometimes) and leave late (oh those productive captains-of-industry). So I don't think many people would complain about power usage in offices during those periods.

So what's all the complaining really about?
"Those people have lights while we don't. They don't need the lights and we do. They suck."

Back in reality, we should encourage conspicuous consumption by large corporates. I would love them to be sucking down as much juice as possible during the quiet period, as this means more demand - AND MORE PROFIT - for Eskom. Would you rather have Eskom build all of those new power-plants purely from your tax money, or from the profit they have earned off other people's excess consumption? No one else needs that power in the middle of the night.


* - Have you noticed that the power-consumption-warnings on TV say to turn off all nonessential appliances except your TV? Hmmm...

Wednesday, January 09, 2008

Chocolate Mousse

CHOCOLATE MOUSSE

Ingredients:
300g dark chocolate
4 eggs, separated
25ml Kahlua
250ml cream, whipped
5ml gelatine
40ml water

Method:
Break chocolate and melt.
Sprinkle gelatine over 40ml water and allow to sponge (dissolve.)
Whisk egg yolks until fluffy and add melted chocolate and liqueur.
Add dissolved gelatine and mix well.
Whip egg whites until stiff and fold into chocolate mixture.
Fold in whipped cream.
Put in glass and chill until set.
Decorate.

~ ENJOY ~

Tuesday, December 11, 2007

Developments on GEN3 and SANREN

According to the latest Rhodes IT minutes, they expect to increase their bandwidth radically:
4.5 Mbps of international bandwidth x a 35 fold increase in ... Internet bandwidth yields 155 Mbps - an OC3. In 2008! At least South Africa isn't too far behind the times ;)

Does this mean UCT will be getting a similar capacity, or something a little faster? Since we'll be near one of the cores of SANREN, hopefully things will be a bit better.

Also, ITWeb thinks SANREN will be a 10 Gbps network (presumably per link, not in aggregate). Note also the proximity to JINX - that should offload some of the transit requirements to direct peering. Also, the projected operational date is end 2008! (a bit earlier than previously thought, and also overlapping with GEN3's mandate with TENET).

Also also, the Infraco weirdness with cabling up the west coast to Europe and South America should matter a little less with the redundant path on SEACOM that TENET has purchased the rights to use.

So, perhaps academic and high speed networking in South Africa has a bright future after all?