PTCL builds 100G optical network in Pakistan with Nokia

  • More than 200 million consumers and businesses will have access to reliable, superfast broadband services  
  • Nokia Photonic Service Engine chipset flexibly increases capacity, reach and density 

Islamabad, Pakistan - Nokia has deployed 100G in Pakistan Telecommunication Company Limited's (PTCL) network to enhance the capacity and speed of its optical network for both domestic and international traffic. The new transport network supports PTCL in providing faster and more reliable services to its subscribers, while reducing capital and operating costs. 

PTCL is able to flexibly increase network capacity and efficiency with the Software Defined Network (SDN) capabilities of the Nokia optical solution. This allows the operator to meet surging traffic demands caused by the increasing use of high-bandwidth services and applications such as HD and 4K video by individuals, and cloud by webscale companies. Nokia 500G DWDM line card and flexgrid technology provides investment protection for PTCL with an instant upgrade to 200G and 400G per wavelength for flexibly meeting growing bandwidth demand.

By using PTCL's extensive fiber footprint, Nokia DWDM network provides multipath redundancy against multiple fiber cust and hence ensuring higher network availability SLAs.

The Set-Partition Quadrature Phase Shift Keying (SP QPSK) modulation is utilized to efficiently cover very long distance links which not only offers excellent Optical Signal-to-Noise Ratio (OSNR) tolerance but also 30% improvement in latency over PTCL network due to less regenerations. Furthermore, the new optical network makes it easier to launch new services based on the ROADM (Reconfigurable Optical Add-Drop Multiplexers) technology, which adds flexibility and agility to the network.  

Saad M Waraich, Chief Technology & Information Officer, PTCL, said: "We are committed to providing a world class network experience to our subscribers and this deployment is a significant step in that direction. Nokia's state of the art optical network technology and their expertise will help us to differentiate our portfolio as we provide our business and consumer subscribers with faster and more reliable broadband and carrier services."

Danny Atme, head of the Customer Business Team, Middle East Growth, Nokia, said: "We are happy to see PTCL taking the lead role in enhancing the capacity of its network as the consumption of broadband continues to increase, along with acquisition of new customers. Our advanced optical network technology upgrades PTCL's transport network to meet the unpredictable data traffic growth cost efficiently."

Overview of the solution used for the deployment: 

  • Nokia 1830 Photonic Service Switch allows service providers to deploy services quickly, bring down TCO and extend network lifecycles.
  • PTCL longhaul network with Nokia 100G 1830 platform meets current requirement offering using 100G waves and with Nokia flexgrid technology, the same infrastructure is ready to load wavelengths 100G beyond.
  • 1830 PSS 100G Dense Wavelength Division Multiplexing (DWDM) solution with Generalized Multi-Protocol Label Switching (GMPLS) flexibly increases network capacity.
  • 100G Set-Partition Quadrature Phase Shift Keying (SP QPSK) modulation is utilized to efficiently cover very long distance links offering excellent OSNR tolerance with 30% improvement in latency due to less regenerations. 
  • The 500G DWDM line card provides investment protection for PTCL with an instant upgrade to 500G of flexible transport bandwidth for delivery of 100G services.
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