---
title: RETN completes phase two of Hungary-Bulgaria ring - Developing Telecoms
description: International network services provider RETN has announced that it has completed the second phase of its Budapest to Sofia ring, achieving, it says, 100% network diversity from Budapest in Hungary to Sofia in Bulgaria via Romania.
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  ![RETN completes phase two of Hungary-Bulgaria ring](https://developingtelecoms.com/images/stories/Places/800x600/Budapest_dusk_600.jpg)  

 

International network services provider RETN has announced that it has completed the second phase of its Budapest to Sofia ring, achieving, it says, 100% network diversity from Budapest in Hungary to Sofia in Bulgaria via Romania.

The new route (Budapest BIX - Timisoara - Sofia Equinix SO2), spans a total distance of 1,080 kilometres and compliments the first phase (Budapest Dataplex - Belgrade - Sofia Telepoint), which was announced in October last year.

Both routes terminate in different data centres at both ends – BIX and Dataplex in Budapest and Equinix and Telepoint in Sofia. RETN is utilising the latest generation of Infinera equipment for both line and transponders and has also upgraded its IP/MPLS equipment at Belgrade and Sofia with Juniper’s MX10008, offering quicker delivery times and bandwidths up to 400G across all RETN services.

The diversity of routes enables RETN to provision new capacity for customers at a rapid pace using instant bandwidth hardware and long-distance circuits to other regions without regeneration in Budapest and protects services in the event of fibre cuts using the latest technology.

This is the second Eastern Europe-focused announcement in May from RETN. [As we reported a week ago](https://developingtelecoms.com/telecom-technology/optical-fixed-networks/14960-retn-launches-new-poland-germany-fibre-route.html), the service provider recently announced the launch of a new fibre route connecting Berlin in Germany and Poznan and Warsaw in Poland.

 

 

   
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