Russia is planning to briefly disconnect from the internet as part of planning for a future cyber-war.
The test will mean data passing between Russian citizens and organisations stays inside the nation rather than being routed internationally.
A law mandating technical changes needed to operate independently was introduced to Russia’s parliament last year.
The test is due to happen before 1 April but no exact date has been set.
The draft law, called the Digital Economy National Program, requires Russia’s ISPs to ensure that it can operate in the event of foreign powers acting to isolate the country online.
Nato and its allies have threatened to sanction Russia over the cyber-attacks and other online interference which it is regularly accused of instigating.
The measures outlined in the law include Russia building its own version of the net’s address system, known as DNS, so it can operate if links to these internationally-located servers are cut.
Currently, 12 organisations oversee the root servers for DNS and none of them are in Russia. However many copies of the net’s core address book do already exist inside Russia suggesting its net systems could keep working even if punitive action was taken to cut it off.
The test is also expected to involve ISPs demonstrating that they can direct data to government-controlled routing points. These will filter traffic so that data sent between Russians reaches its destination, but any destined for foreign computers is discarded.
Eventually the Russian government wants all domestic traffic to pass through these routing points. This is believed to be part of an effort to set up a mass censorship system akin to that seen in China, which tries to scrub out prohibited traffic.
Russian news organisations reported that the nation’s ISPs are broadly backing the aims of the draft law but are divided on how to do it. They believe the test will cause “major disruption” to Russian internet traffic, reports tech news website ZDNet.
The Russian government is providing cash for ISPs to modify their infrastructure so the redirection effort can be properly tested.
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