40G Connectivity

The amount of data accumulated today by users and enterprises is vast, and growing. Consequently, storing and accessing this data have also become more demanding, requiring higher data capacity and transport of data over longer distances.

The majority of today’s data centers have storage infrastructure equipped with 10G and 40G switches. Increasing the distance in these networks is challenging especially for 40G, as 40G QSFP+ optics extends only up to 40 km and each 40G interface needs its own dedicated fiber between sites, leaving a gap for data centers to fill.

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40G transport solutions that boost data reach to any distance

PacketLight 40G solutions extend network reach without the need to replace equipment or upgrade to 100G networks. The solutions are vendor-agnostic and can be integrated smoothly into any Layer-2 or Layer-3 network. They provide full throughput, ultra-low latency, and low power consumption, with optional transparent Layer-1 encryption.

Solutions Overview

The two solutions offered by PacketLight for extending 40G reach are:

  • Bundle Solution - transporting 40G over a bundle of 4x10G wavelengths, up to 120 km 100G/200G
  • Muxponder Solution – muxponding 40G over 100G DWDM network up to 2,500 km, over dark fiber or OTN infrastructure

Bundle Solution

PacketLight’s unique multi-rate transponder enables to transport 40Gb Ethernet, supporting both SR4 and LR4 interfaces. It provides eight transport ports, each with 10G SFP+ optical interface optics. In addition, it provides optional Layer-1 security for 40Gb Ethernet client by encrypting the 4x10G wavelengths it uses.

By bundling 4x10G wavelengths, the transponder connects directly to the 40G QSFP+ interface on the switches, reaching up to 120 km, providing a low latency, low cost solution, with full performance. This, without the added expense of upgrading the network and Layer-2 / Layer-3 infrastructure to 100G (see Figure 1). 

Figure 1: 40G Extension Using the Bundle Solution

The solution also supports transport of other multiple service types, including storage protocols 1G/2G/4G/8G/10G and 16G FC, video and SONET/SDH.

100G Solution

PacketLight’s 100G solution provides configurable muxponders that enable data centers to use their existing 100G OTU4 infrastructure for aggregating 10Gb Ethernet and 40Gb Ethernet services.

The 100G solution for metro and long haul, allows transport of up to 2x40Gb Ethernet protocols through QSFP+ LR4/SR4 transceivers, extending the reach of 40Gb Ethernet up to 2,500 km (see Figure 2).

Figure 2: 40G Extension Using the 100G Solution

The solution can connect to any existing third party OTN infrastructure, and is spectrally efficient, as it carries 2x40G interfaces over a single wavelength.

All PacketLight’s products are low power consumption 1U chassis, achieving space and power limitations, while providing carrier grade capabilities of line protection and dual pluggable AC/DC power supplies and fan unit.

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Products for 40G Connectivity

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