Optical Communication Knowledge Center | Optical Transceiver Technology Guide丨C-LIGHT

How Ethernet Flow Control Interacts with Congestion Management

By C-LIGHT Marketing 丨 Apr 29, 2026

Ethernet flow control prevents buffer overflow, while ECN and congestion control regulate traffic rates to maintain throughput, latency, and reliability in high-speed networks.

How MTU Selection Affects RoCEv2 Network Performance

By C-LIGHT Marketing 丨 Apr 28, 2026

RoCEv2 MTU selection affects packet overhead, throughput, latency, and buffer utilization, making end-to-end consistency essential for high-performance RDMA networks.

How Link Flaps Affect Routing Convergence in Data Center Fabrics

By C-LIGHT Marketing 丨 Apr 27, 2026

Repeated link flaps trigger routing updates and forwarding-table changes, causing packet loss, traffic shifts, and instability across BGP and EVPN data center fabrics.

How Optical Link Imbalance Can Reduce Distributed Training Efficiency

By C-LIGHT Marketing 丨 Apr 26, 2026

Unequal optical link capacity, signal quality, or path utilization can create stragglers, extend collective communication, and slow distributed AI training.

What is an Active Optical Cable (AOC)?

By C-LIGHT Marketing 丨 Apr 14, 2026

Active Optical Cable (AOC) is a high-speed interconnect cable that integrates opto-electronic conversion engines and control chips within the connectors at both ends.

What is BiDi CWDM?

By C-LIGHT Marketing 丨 Apr 4, 2026

BiDi CWDM is the abbreviation for "Bidirectional Coarse Wavelength Division Multiplexing" technology.

How to Choose Between QSFP+ and QSFP28

By C-LIGHT Marketing 丨 Mar 1, 2026

Selecting the appropriate transceiver form factor depends on several key considerations.

What is CWDM (Coarse Wave Division Multiplexing)?

By C-LIGHT Marketing 丨 Jan 27, 2026

Coarse Wavelength Division Multiplexing (CWDM) is a method of combining at least two signals at different wavelengths for transmission along a single fiber-optic cable.

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