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PRS16G Datasheet(PDF) 2 Page - Applied Micro Circuits Corporation |
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PRS16G Datasheet(HTML) 2 Page - Applied Micro Circuits Corporation |
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2 / 3 page  Product Overview Product Brief PRS 16G/C192 Switch Fabric PB PRS 16G/C192 / v0.5 / 12-19-2003 2 Empowering Intelligent Networks In conjunction with switch designs based on PRS 64Gu or PRS Q-64G devices, adapter cards implementing the PRS C192 fabric interface can equip single- stage switching systems offering today up to 320 Gbps of user bandwidth. The integration of self-switching and fabric interface capabilities into a single device provides system vendors with an easy path to scale their platforms from low-end boxes up to high-end, chassis- based solutions capable of switching up to 320 Gbps of aggregate full-duplex user traffic, while optimizing and protecting their line card design investments. This enables offerings that allow operators to deploy entry versions of their next-generation, chassis-based platforms, while they are introducing advanced IP-based services, for example, merging data and voice over Quality-of-Service (QoS)-aware networks, implementing virtual private networks (VPNs), or deploying security applications closer to the end users. Single-Chip or Two-Chip Switch Fabric with Seamless Network Processor Connection – PRS 16G Functions The PRS 16G/C192 switch fabric device offers an economical solution that enables the implementation of 10-20 Gbps systems. A single chip operates as a 10-Gbps full-duplex switch fabric providing 4x4 switch ports at 2.5-Gbps/OC-48c speed with standard CSIX-L1 interface. In a two chip configuration, the PRS 16G/C192 can operate as an 8x8 port, 2.5-Gbps/OC-48c switch fabric, thus offering an aggregate full-duplex throughput of 20 Gbps. As another two-chip configuration, one of the devices can be configured with a single 10-Gbps/OC-192c port with standard CSIX interface so as to provide the uplink aggregating the traffic of the four 2.5-Gbps/OC-48c ports of the other chip. The chip features configurable fixed-size packet switching and is capable of supporting either frame-based traffic (through segmentation and reassembly performed by the attached network processors) or cell-based traffic. Robust Features The following features provide design flexibility: • 10-Gbps (stand-alone chip) or 20-Gbps (back-to-back chips) aggregate user bandwidth • Four 2.5-Gbps/OC-48c NPU attachments or one 10G/OC-192c NPU attachment per chip • Embedded standard CSIX-L1 interface to Network Processor or Traffic Manager • Switch/adapter cards with seamless connection between switch fabric chip and NPU(s) • Ingress Virtual Output Queuing (VOQ) with up to 1024 unicast queues and eight multicast queues • Quality-of-Service (QoS) support with four levels of traffic priority and four programmable ingress queue thresholds (ingress CSIX flow control per destination and priority) • Packet payload protection, with optional cyclic redundancy check insertion • Packet header parity generation and checking • Efficient multicast (replication at sending) 40-320 Gbps Switch Applications GE 10G Network Processor GE PRS PRS 1 0 1 0 1 0 1 0 Switch Control Switch Control Active Switch Protection Switch PRS 64Gu, PRS Q-64G CSIX Switch Fabric Switch Core (NxN) Adapter OC-12 1 OC-48 Network Processor OC-12 4 Fibre Channel OC-48 Network Processor Fibre Channel OC-48 Network Processor OC-48 Network Processor 8 Links at 2.5 Gbps 8 Links at 2.5 Gbps 8 Links at 2.5 Gbps 8 Links at 2.5 Gbps 16 G bps 16 Gbp s 16G/C192 16G/C192 Adapter CSIX |
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