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IP Prefix Lookup at OC-768 Rate on Reconfigurable Hardware

Kasra Haghighi (Institutionen för signaler och system, Kommunikationssystem) ; Saied Hosseini Khayat
9th Intl. Conf. on Telecommunication, ICT2002 (2002)
[Konferensbidrag, refereegranskat]

This paper reports on the design of an IPv4 prefix lookup engine that supports 166 million lookups per second, and an estimated 850k prefix entries. It also supports dynamic table update operations that can be issued from an external controller. The design employs a prefix search algorithm that is fine-tuned for hardware implementation. It takes advantage of pipelining and utilizes one FPGA chip and seven ZBT® SRAM chips. We have implemented this engine as an HDL core in Verilog.

Nyckelord: IP routing, Longest Prefix Match



Denna post skapades 2009-02-20. Senast ändrad 2009-06-11.
CPL Pubid: 90236

 

Institutioner (Chalmers)

Institutionen för signaler och system, Kommunikationssystem

Ämnesområden

Teletrafiksystem

Chalmers infrastruktur