Facebook apologises for outage, says services 'back up and running'
Facebook has
apologised for an outage that lasted almost ten hours, blaming a configuration
change to routers for causing its apps to crashing.
“Our engineering teams have learned that configuration changes on
the backbone routers that coordinate network traffic between our data centers
caused issues that interrupted this communication. This disruption to network
traffic had a cascading effect on the way our data centers communicate,
bringing our services to a halt,” said Santosh Janardhan, Vice President
Infrastructure at Facebook, in a blog post.
All of Facebook’s services, including WhatsApp and
Instagram, were down for users globally beginning Monday night. The outage
affected Facebook’s internal systems as well and slowed down efforts to bring
up systems back again.
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“We’ve been working as hard as we can to restore access, and our
systems are now back up and running. The underlying cause of this outage also
impacted many of the internal tools and systems we use in our day-to-day
operations, complicating our attempts to quickly diagnose and resolve the
problem,” Janardhan said in the post.
Will Cathcart, the WhatsApp global
head, tweeted Tuesday morning: “ We take our mission seriously, and I'm
grateful to everyone who worked hard to bring our service back with the
reliability you expect from @WhatsApp. We'll
learn and grow from this, and continue working to provide you with a simple,
secure, and reliable private messaging app.”
Twitter and Reddit were abuzz through Monday night, with their
users speculating at reasons that may have caused Facebook’s services to be
down.
Users reported seeing a DNS issue that seemed to have taken
Facebook’s domain from the Internet.
The Domain Name System (DNS) helps organise the Internet with the
allotment of domains like “.com,” “.net,” and so on.
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