Siverge unveils single-chip universal 2.5G carrier transport device

Dec. 15, 2008
DECEMBER 15, 2008 -- The Griffin family of single-chip carrier transport devices enables equipment manufacturers to develop converged linecards and systems capable of handling any port, service, channelization, and functionality while supporting both TDM and packet-based networks.

DECEMBER 15, 2008 -- Siverge Networks, an emerging fabless semiconductor company focused on the packet evolution in carrier networks, has announced its first products. The Griffin family of single-chip carrier transport devices enables equipment manufacturers to develop converged linecards and systems capable of handling any port, service, channelization, and functionality while supporting both TDM and packet-based networks.

The goal of the devices is to enable the first 10-Gbps, fully channelized "any service, any protocol" linecards. According to Moshe De-Leon, president and CTO of Siverge Networks, says that such linecards will enable 16 times more bandwidth and density than today's high end designs.

The Griffin family consists of four devices, each of which is available in three speed grades. The flagship member of the Griffin family is the SV3640/1/2 universal convergence device, which combines as many as 30 devices into a single highly integrated SoC. The SV3640/1/2 integrates SONET/SDH framing/mapping/multiplexing, T1/E1/J1/T3/E3 framing/mapping, M13 multiplexing, ATM/IMA controller functionality, HDLC/POS/PPP/LAPS/EOS/FR/MLPPP/MLFR controller functionality, and both Ethernet-over-PDH and Ethernet-over-SONET/SDH functionality (including GFP over VCAT with or without LCAS).

Rounding out the Griffin family are three additional devices that provide more specific functionality and cost-optimization for TDM-only applications (SV3600/1/2), legacy-protocol applications (SV3610/1/2), and "Ethernet-over-Anything" applications (SV3620/1/2).

De-Leon says the new devices can be used such applications as packet-based transport systems, multi-service switches, ADM/MSPP systems, switches, and routers. They can also be used in platforms targeted at wireless backhaul as well as BSCs and RNCs.

At the heart of the new devices is Siverge's patented VLSI core technology and circuitry. Dubbed the Siverge Matrix, the centralized-resource shared bit-stream processing engine facilitates multi-channel, multi-protocol processing of thousands of independent data streams.

Griffin devices are designed to address all Layer 2 protocols, any channelization levels (down to DS0), services, applications, and port types in a single family of package-, pin- and software-compatible SoCs.

Each Griffin device is available in three speed grades -- 2.5 Gbps (1xOC-48/STM-16 or 4xOC-12/STM-4), 622 Mbps (1xOC-12/STM-4 or 4xOC-3/STM-1), and 155 Mbps (1xOC-3/STM-1). The devices include


  • SV3640/1/2 Universal Convergence Transport Device, which brings together packet, cell,and TDM services in a single device. The deeply channelized framer/mapper features up to 1xOC-48/STM-16, 4xOC-12/STM-4, or 4xOC-3/STM-1 ports and also supports clear-channel applications. It also is designed to support the full range of Layer 2 protocols including HDLC, ATM, IMA, MLPPP, MLFR, LAPS, POS, EoS, Ethernet over GFP over PDH (with VCAT/LCAS), and Ethernet over GFP SONET/SDH (with VCAT/LCAS).
  • SV3620/1/2 Ethernet Transport Device is designed to deliver all SONET/SDH & PDH processing, framing, mapping, and multiplexing for rates up to 1xOC-48/STM-16, 4xOC-12/STM-4, or 4xOC-3/STM-1 with channelization down to DS1/E1/J1. It supports Ethernet over GFP over PDH (with VCAT/LCAS) and Ethernet over GFP SONET/SDH (with VCAT/LCAS).
  • SV3610/1/2 Legacy Protocol Controller Device: Delivers all SONET/SDH & PDH processing, framing, mapping and multiplexing for rates up to 1xOC-48/STM-16, 4xOC-12/STM-4, or 4xOC-3/STM-1 with channelization down to DS0. It supports POS, ATM, IMA, HDLC and MLPP, MLFR, LAPS, POS, EoS.
  • SV3600/1/2 TDM Transport Device: Delivers all SONET/SDH & PDH processing, framing, mapping and multiplexing for rates up to 1xOC-48/STM-16, 4xOC-12/STM-4, or 4xOC-3/STM-1 with channelization down to DS1/E1/J1
All 12 members of the Griffin family are available in sample quantities. Pricing ranges from $200 to $1,200, depending on the device and its speed and feature set, in OEM quantities of 10,000. Volume production is scheduled for the first half of 2009.

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