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TCAM-based flow lookup design on FPGA and its applications
International Conference on Advanced Technologies for Communications Số , năm 2016 (Tập 2016-January, trang 378-382)
ISSN: 21621039
ISSN: 21621039
DOI: 10.1109/ATC.2015.7388355
Tài liệu thuộc danh mục: Scopus
Conference Paper
English
Từ khóa: Field programmable gate arrays (FPGA); Integrated circuit design; Logic gates; Memory architecture; Random access storage; Altera cyclones; Clock cycles; Design applications; FPGA hardwares; ITS applications; Scalable architectures; Switch systems; TCAM; Ternary content adressable memory
Tóm tắt tiếng anh
TCAM is now emulated using FPGAs and based on memory known as RAM or register. Most of them are made just using register- or RAM-based resource individually when mapped to FPGA hardware. This paper presents a 4�4 flexible Basic-TCAM architecture that can be flexibly designed based selectively on memory-based or register-based FPGA resource or both of them in combined manner. In addition, it can also allow a scalable architecture. A wider and deeper TCAM of size 512�36 built based on it seizes only 73,728 bits and 1,503 logic utilization and supports competitive search latency of 1 clock cycle over Altera Cyclone V FPGA. A typical flow lookup design based on this Basic-TCAM architecture uses a TCAM of size 4�16 and a simple parser to do a flow lookup. This design application is then taken place in a simple VLAN-based switch system for further feasible application of the TCAM in this work. � 2015 IEEE.
