FROM THE INDUSTRY
Optical Line Terminals (OLTs)
Future-Proofing
Designed with future upgrades in mind, XGS-PON offers a higher baseline, making it well-suited for emerging technologies and bandwidth-intensive applications that evolve over time. Enterprise and 5G Backhaul
Upgrading OLTs to support the new wavelengths and symmetrical transmission is crucial. OLTs in an XGS- PON deployment must be capable of handling higher data rates seamlessly. Optical Network Units (ONUs) End-user premises equipment, ONUs, need to be upgraded or replaced to support the symmetrical 10Gbps speeds. Compatibility between existing GPON ONUs and XGS-PON infrastructure is a key consideration. Fibre Distribution While the existing fibre distribution may be leveraged, adjustments may be needed to accommodate the increased bandwidth demands, ensuring optimal signal quality and minimal signal degradation over longer distances.
XGS-PON emerges as the go-to technology for enterprises and 5G
backhaul scenarios where symmetrical high-speed connectivity is not just a luxury but a necessity. Considerations in the GPON vs XGS-PON Decision Cost While GPON boasts established deployment and cost-effectiveness, the decision between GPON and XGS-PON involves considering the cost implications. On average, XGS-PON infrastructure tends to incur a higher initial investment compared to GPON, primarily due to the increased equipment costs associated with symmetrical 10Gbps capabilities. Estimating the Cost Differential The implementation of XGS-PON often involves more advanced and costly optical line terminals (OLTs) and optical network terminals (ONUs) to handle the symmetrical 10Gbps speeds. On average, XGS-PON may cost operators approximately 20-30% more than deploying GPON infrastructure. Long-Term Cost Considerations It’s essential to factor in the long-term benefits of XGS-PON, including its future- proofing capabilities and potential for higher revenue generation from premium services. While the initial investment is higher, XGS-PON’s symmetrical bandwidth and adaptability may offset the costs over the network’s lifecycle. Infrastructure Changes The transition from GPON to XGS- PON necessitates certain infrastructure changes, primarily focused on accommodating the increased symmetrical bandwidth. These changes include:
Conclusion
In the ongoing GPON vs XGS-PON discourse, the choice is an intricate dance between the unique needs and priorities of network operators, service providers, and end-users. While GPON stands firm as a reliable and cost-effective solution for residential and small business broadband, XGS-PON emerges as a powerhouse for enterprise connectivity, 5G backhaul, and applications demanding symmetrical 10Gbps speeds. As the digital landscape continues to evolve, the decision between GPON and XGS-PON will undeniably shape the trajectory of fibre broadband networks, defining the next frontier of high- speed connectivity for years to come. What’s the difference between European fibre roll out and what’s happening in Australia? The biggest difference is we do not use blown fibre. We haul our cable directly in conduits, which is also done in the UK. It is just not as common as your blown fibre. As for the technology, both the UK and Australia use GPON and XGSPON through the fibre. And we have better weather of course...
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Volume 46 No.2 MAY 2024
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