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Alien wavelength. In the context of wavelength-division multiplexing, an alien wavelength is a "colored" optical signal that is originated from equipment not under the direct control of the transmission network operator. This technique was first mentioned in 2009.
Scalable Solutions for OTN and DWDM Network. PacketLight alien wavelengths solutions are a highly integrated cost-effective 1U that are modular with real pay-as-you-grow architecture. The devices form a multi-chassis which can expand at any time to add more capacity, without link downtime.
24 de oct. de 2022 · by Peter Landon. 24 Oct 2022. The concept of an alien wavelength is a long-standing one in optical line systems. Disaggregation brings architectural advantages in engineering, building and incrementally updating networks, but it also introduces the complication of alien wavelengths.
Alien wavelengths are wavelengths that are added to existing OTN or DWDM network infrastructure. This is important when a network capacity has been exhausted and the backbone needs to scale to support growth in demand for bandwidth.
Yet, moving toward interoperability raises several challenges: incompatible physical parameters, vendor lock-in, and proprietary software. Manual set up of alien wavelengths has been demonstrated, but automating this process is essential to enable alien wavelength operation in the field.
Alien Wave technology has emerged as a popular, technologically mature and cost-effective method to rapidly upgrade capacities on “brownfield” DWDM networks without having to invest in a new capital-intensive network. Network Requirements.
14 de sept. de 2012 · This paper describes the need for optical interworking between DWDM transport equipment and transponders provided by different vendors and possibly managed by different operators - so-called aliens. It discusses technology, benefits and standards progress.
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