SPAUI, an interface based on the XAUI industry standard, incorporates several extensions to support dense 10Gbps level applications with speedup, for accommodating such factors as packet headers, full rate 12GE, and in-band flow control.
RXAUI is a reduced pin version of the industry standard XAUI that promotes using two 6.25Gbps lanes instead of the four 3.125Gbps lanes required by XAUI to implement a 10G interface.
Ori Aruj, Dune’s VP of Marketing, asserted, “Since FPGAs are at the forefront of interface transitions, we partnered with AllowTech to bring forth an FPGA based SPAUI and RXAUI IP offering. AllowTech’s SPAUI and RXAUI implementation is positioned to serve OEMs and ASIC vendors looking to integrate SPAUI in their solutions.”
Moti Weizman, president of AllowTech, stated, “The highly optimized SPAUI and RXAUI core makes it an ideal FPGA interface for dense 10Gbps-level networking applications. Our close collaboration with Dune allows designers to take quick advantage of the robust SPAUI interface in their systems.”
AllowTech’s SPAUI implementation is available with both three and four serdes lanes of 3.125 to 6.25Gbps speeds. The FPGA cores maximize performance, and are capable of receiving and transmitting packet/bursts with zero gap/overhead. The SPAUI was designed to adapt easily to a large number of FPGA families.
The SPAUI and RXAUI FPGA implementations are now available from AllowTech.
AllowTech is an expert FPGA-solutions company. It provides design services and IP for the data communications and video industries. AllowTech’s experience and unique FPGA design techniques have consistently helped its customers to acquire a competitive advantage quickly. AllowTech’s expertise includes design and verification of packet processors, queue controllers, high speed MACs, etc. Founded by a networking industry veteran, AllowTech is located in Southern California. See www.allowtech.com for more information.
SPAUI combines the benefits of both XAUI and SPI4.2 standards into a single SERDES-based interface, supporting MAC/Framer, NPU, and Traffic Management interconnection requirements.
The interface extends the XAUI interface by introducing channelization and packet interleaving, and by refined flow control. SPAUI is implementation-friendly, supported easily by SERDES-based FPGA devices, and is backward compatible with the standard XAUI.
The flexibility, simplicity, and robustness of SPAUI make it an ideal interface for dense 10Gbps networking applications. Any vendor implementing XAUI can support SPAUI easily, foregoing the need for special encoding or any other major change in silicon.
ABOUT DUNE NETWORKS
Dune Networks ( www.dunenetworks.com) is a semiconductor supplier of networking devices, facilitating the build of Data Center, Enterprise and Carrier Ethernet Solutions. Dune provides a switching solution that truly scales in capacity, port rate, and service scheme. This extends the life cycle of packet platforms from the legacy 3 years up to 10 years or more, revolutionizing the economics of packet networks. Founded in the year 2000, Dune offices are located in Sunnyvale, California and in Yakum, Israel.
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