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Verizon says "Growing Pains" responsible for LTE outages

Verizon says "Growing Pains" responsible for LTE outages
Verizon's VP of network engineering is a chap by the name of Mike Haberman. Mr. Haberman was explaining why Verizon has had three outages this month on its 4G LTE network and says that as the pioneers in the industry, it will suffer from growing pains. On a more technical level, the outages were due to bugs in Big Red's IP Multimedia Subsystem (IMS) core. The first outage on December 7th was due to the failure of its back-up communications database. The December 21st outage occurred because of an unresponsive IMS element. The third outage took place on December 28th and the fault was the failure of two IMS elements to communicate properly.

Once the problems were corrected, the bugs did not return but customers were unable to access the LTE pipeline (and even the 3G pipeline in some cases) even though both networks were up and running. One thing that Verizon has started doing is segmenting the 4G network into smaller areas so that if there is a problem in one area, the whole LTE network isn't dragged down.

Haberman says Verizon's goal is to make sure that it's 4G network has the same high level of service that Big Red's 3G network offers. He says, "We're not there yet, but we'll get there." Verizon touts its network as being the most reliable and when you put yourself out like that, you need to deliver. Considering the large number of activations that Verizon had to deal with over the last few weeks, it sure doesn't look good when a new 4G customer turns on his phone and the network is down. If there is one good thing that came out of the three outages, it is that Verizon was able to figure out what caused them, which should allow the carrier to install the proper safeguards to prevent the same exact conditions from repeating.

source: GigaOm via Phonescoop

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