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LITE: Bullish Lumentum To Bring AI Workload From Edge To Cloud Compute - Oak Park Journal

LITE: Bullish Lumentum to bring AI workload from Edge to Cloud Compute

Local LLM/LLM inference can be implemented across a spectrum from fully local on a personal computer to fully remote in a data center. Here’s an overview of the key approaches:

Fully local inference involves running the entire LLM on the user’s personal computer or device. This typically requires specialized hardware like a powerful GPU to achieve reasonable performance, especially for larger models. The main advantages are privacy, low latency, and no need for an internet connection. However, local inference is limited by the computational resources of the device.

Local inference processing combined with cloud-based training offers a powerful hybrid approach for machine learning applications. In this model, inference is performed on edge devices or local servers, close to where data is generated, while training occurs in the cloud using aggregated data from multiple sources.

Local inference provides several key advantages. It reduces latency by processing data on-device, enabling real-time or near-real-time results crucial for applications like industrial control systems or autonomous vehicles. This approach also enhances privacy and security by keeping sensitive data local, addressing concerns in fields such as healthcare or finance. Additionally, local inference allows for offline operation, ensuring continuity even without internet connectivity.

While inference happens locally, the system periodically sends data to the cloud for model training and updates. Cloud resources provide the necessary computational power to train large, complex models on extensive datasets aggregated from numerous edge devices. This centralized training allows for continuous improvement of the models based on real-world data from diverse sources, enhancing accuracy and adaptability over time.

Implementing this hybrid approach comes with challenges. Data synchronization between local devices and the cloud must be carefully managed to ensure local models stay up-to-date. Resource management on edge devices is crucial, balancing computational resources between inference tasks and data preparation for cloud training. Network bandwidth considerations are also important, especially in environments with limited connectivity.

Fiber Optic For the Increase Workload From Edge To AI Data Centers

Fiber optic technology is essential for transmitting the increased workload associated with local LLM inference and cloud-based training due to its superior bandwidth, speed, and reliability. As local devices perform inference tasks and periodically send large volumes of data to the cloud for model training and updates, traditional copper-based networks would struggle to handle the data throughput efficiently.

The hybrid approach of local inference and cloud-based training generates substantial network traffic. Edge devices continuously collect and process data locally, while also needing to transmit aggregated datasets to cloud data centers for model refinement. This two-way communication requires a robust, high-capacity network infrastructure that can handle large data transfers without introducing significant latency or bottlenecks.

Fiber optics offers several advantages that make it ideal for this scenario. Its ability to transmit data using light signals allows for much higher bandwidth compared to traditional copper cables. This increased capacity is crucial for sending large datasets, updated models, and real-time information between edge devices and cloud servers. The low latency of fiber optic networks also supports the near real-time requirements of many AI applications, ensuring that data can be quickly transferred for timely model updates and inference results.

Moreover, fiber optic networks are less susceptible to electromagnetic interference and signal degradation over long distances. This reliability is particularly important when connecting geographically dispersed edge devices to centralized cloud data centers. The improved signal quality and consistency of fiber optics help maintain data integrity during transmission, which is critical for accurate model training and inference.

As AI models become more complex and data volumes continue to grow, the demand for network resources will only increase. Fiber optic infrastructure provides the scalability needed to accommodate this growth, allowing organizations to expand their AI capabilities without being constrained by network limitations. This scalability is essential for supporting the continuous improvement of models based on real-world data from diverse sources, as mentioned in the hybrid approach.

In summary, fiber optic technology is crucial for supporting the data-intensive nature of local LLM inference and cloud-based training. Its high bandwidth, low latency, reliability, and scalability make it the ideal choice for transmitting the increased workload associated with this hybrid AI approach, enabling efficient data synchronization, model updates, and overall system performance.

What’s Lumentum (LITE)?

Lumentum Operations LLC is a leading provider of innovative photonics solutions that play a crucial role in addressing bandwidth limitations in optical networks. The company offers a wide range of optical communication products designed to enhance the speed, capacity, and reliability of data transmission across various applications, including cloud, networking, advanced manufacturing, and 3D sensing

Lumentum provides several innovative fiber optic solutions to address bandwidth limitations in optical networks:

  1. Wavelength Selective Switches (WSS): Lumentum’s TrueFlex iCL WSS enables provisioning of both C and L-band spectrums of optical fiber, effectively doubling the usable bandwidth compared to traditional C-band only systems. This allows for a lower cost per THz of bandwidth and combines functionality that previously required two separate devices into a single unit.
  2. Contentionless WSS: The TrueFlex Contentionless 16×26 WSS supports scalable colorless, directionless, and contentionless (CDC) network nodes with up to 16 degrees. This enables multiple fiber pairs per route, increasing the amplified bandwidth between network nodes. The low insertion loss and inherent channel filtering of these devices enable high-performance backbone ROADM applications.
  3. ROADM Node-on-a-Blade: Lumentum has developed an integrated ROADM solution that combines optical switching, amplification, and monitoring functionality from multiple degrees onto a single linecard. This integration reduces the size, power consumption, and cost of multi-degree ROADM nodes while maintaining reliability, allowing for more efficient use of network resources.
  4. High-Speed Coherent Transceivers: Lumentum produces coherent optical transceivers, including 400G ZR and OpenZR+ modules, which enable high-speed, long-distance data transmission over fiber optic networks. These modules support the increasing bandwidth demands of cloud and enterprise networks.
  5. Advanced Laser Technologies: Lumentum develops various laser chips (EMLs, DMLs, and VCSELs) optimized for high-performance optical communications. These components are crucial for creating high-bandwidth optical transmission systems.
  6. Vertical Integration: By offering a comprehensive, vertically integrated portfolio of optical components and modules, Lumentum helps lower costs and speeds time-to-market for network equipment manufacturers. This integration allows for optimized performance across the entire optical communication chain.

Through these technologies, Lumentum enables network operators and equipment manufacturers to increase bandwidth capacity, improve network flexibility, and reduce costs in optical communication systems. Their solutions are designed to meet the ever-increasing bandwidth demands driven by cloud computing, AI/ML applications, and the growth of data-intensive connectivity.

Lumen Technologies

Lumen Technologies, formerly known as CenturyLink, owns and operates an extensive US fiber optic network.

Microsoft and other hyperscalers are signalling their need for fiber optics to push inference data from the edge to data centers:

https://finance.yahoo.com/news/lumen-secures-deals-worth-5-201325068.html

Lumen Technologies share price has climbed because of hyperscaler need for fast fiber optic bandwidth.

r/wallstreetbets - Lumentum (LITE) | Bull Case | Bring AI workload from Edge to Cloud

Note: Lumen has 20B in debt. That’s why it ballooned from $1 to $6. It was prices for insolvency but the company has more options now to restructure their debit with the recent forecasted cash flow

Note2: Lumentum and Lumen are different companies. Lumentum is an optical solution provider, whereas Lumen is a telecom company.