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CoMira Solutions offers a Media Access Control Security (MACSec) solution adhering to IEEE standards aimed at safeguarding communication within 802.1 LAN environments. MACSec ensures data confidentiality and integrity, preventing unauthorized access and disruptions. It employs advanced encryption standards and supports flexible traffic management through various port configurations. The MACSec IP's time-division multiplexed architecture aligns seamlessly with CoMira's UMAC, ensuring synchronous operation despite differing link speeds. This implementation includes FIPS-compliant encryption methods such as GCM-AES-128 and GCM-AES-256, supporting robust security needs. Furthermore, CoMira's MACSec supports multiple secure channels and security associations per port, adding layers of protection to client systems. The configurability of Secure Channels and the ability to strip security tags enhances its adaptability in varied networking scenarios, reflecting CoMira's commitment to delivering tailor-fit security solutions.
CoMira's Ethernet Universal Media Access Control (UMAC) and physical coding sublayer IP are designed to support a wide array of network speeds and applications. With its innovative time-sliced architecture, this IP optimizes density and maintains low latency, making it suitable for high port count applications in data centers. Besides standard compliance with IEEE and OIF standards, CoMira provides non-standard configurations that allow tailored solutions for diverse customer needs. The UMAC IP features programmable application-side FIFO sizes, supporting seamless integration with application logic. It further allows configurable statistics counters, virtual lane mapping, and jumbo frame support which enhance performance efficiency. Notably, the IP core clock operates independently of line rates and can function asynchronously with both SerDes and application clocks, increasing its flexibility. Uniquely, CoMira's UMAC IP can include error correction and security functionalities, offering a versatile package. These add-ons provide smooth integration into varied system designs, allowing customers to differentiate their products in the competitive market. The support for custom preamble lengths, frame stamping, and priority pause frames further underscores its adaptability.
With the increasing speed of serial links, the need for efficient forward error correction (FEC) has become paramount to maintain data integrity over lossy mediums. CoMira's Error Correction technology addresses this by implementing various FEC algorithms that optimize data recovery functionality in high-speed Ethernet applications. Drawing from standards such as the 802.3 Ethernet, CoMira's FEC solutions incorporate both FireCode and Reed Solomon methods. These are pivotal for applications such as 100GBASE-KR4 and 50GBASE-R2, providing substantial gains in error correction performance. The IP architecture ensures seamless integration with CoMira's UMAC, enhancing overall system efficiency. Significantly, CoMira's FEC cores can be deployed standalone, or as part of the UMAC configuration, which adds to their flexibility. By allowing error correction processes to be bypassed when necessary, these cores reduce latency, further optimizing their operation for use in Ethernet and beyond.
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