Efficient soft error resiliency by multi-match packet classification using scalable TCAM implementation in FPGA

• Published in: Microprocessors and microsystems 2020-04, Vol.74, p.1, Article 102985
• Main Authors: Sakthi, K., Nirmal Kumar, P.
• Format: Article
• Language: English
• Subjects: Associative memory; Field programmable gate arrays; FPGA; Memory cells; Soft errors; Soft errors resiliency; Systems management; TCAM
• ISSN: 0141-9331; 1872-9436
• DOI: 10.1016/j.micpro.2019.102985

Ternary content addressable memories (TCAMs) are generally utilized for system gadgets to actualize parcel characterization. They are utilized, for instance, for bundle sending, for security, and to actualize programming characterized systems (SDNs). TCAMs are normally executed as independent gadgets or as a protected innovation obstruct that is coordinated on systems administration application-explicit incorporated circuits. Then again, field-programmable entryway exhibits (FPGAs) excluding TCAM squares. Be that as it may, the adaptability of FPGAs impacts in alluring for SDN usage, and majority of field programmable gate array merchants give improvement packs to SDN. By considering implementation of TCAM in FPGA and, hence, there is an importance to imitate TCAMs utilizing the rationale squares possible to be reached in the FPGA. Lately, various plans to imitate TCAMs on FPGAs have been devised. Least among them exploit the major of memory squares accessible into the inner part of present day FPGAs to utilize them to execute TCAMs. An issue when utilizing recollections is that those squares will be influenced by delicate blunders that degenerate the put away bits. The recollections can be secured with an equality test to distinguish blunders or with a mistake redress code to address them, yet it needs extra bits of memory for each word. Regarding the above concise, the insurance of the recollections used to imitate new TCAM has been implemented. Specifically, it is appeared by abusing the way that just a subset of the conceivable memory substance are legitimate, most single-piece blunders can be redressed when the recollections are ensured with an equality bit.