The cps1432 device utilizes a 5th generation switch fabric, building upon rapidio gen1 cps. Rapidio technology solves the communications fabric conundrum. Logical defines the formats of the protocols and packets transport information needed to route packets from one end point to another. The board also includes three, offboard rapidio links from the rapidio switch. The rapidio fabric, designed for use in embedded systems, has excellent processor and fpga supporttexas instruments, freescale, xilinx, altera and so on. The cps1432 device utilizes a 5th generation switch fabric, building upon rapidio gen1 cps and tsi switching architectures. Download the idt srio switch feature comparison chart pdf for a detailed comparison of the rxs, cps and tsi rapidio devices. This new switch uses patent pending features to minimize latency, ensure scheduling fairness, and provide superior multicast throughput. Rapidio runs into most other bus and switch fabric technologies because of its wide application range. With idts combined tsi, cps and rxs switch portfolio, we offer the industrys most comprehensive family of rapidio switches. Aes128 linklayer encryption on 4 srio 1x ports protects against reading data or attacks on the srio network. User manual titl tsi578 serial rapidio switch user manual june 6, 2016. The topology is used in highspeed networks like fiber channel, infiniband and rapidio.
This allows the crc to remain unchanged as the packet moves through the fabric from source to destination. Understanding the switch fabric functionality, page 141. Rapidio supports messaging, readwrite and cache coherency semantics. An embedded system component network architecture page 3 of 20 rapidio is targeted toward control plane applications in network equipment.
Interconnect for open highperformance computing pdf. It comes with a configurable buffer design, reference clock module, reset module, and configuration fabric reference design. The switch responds with an acknowledge symbol to the target, so now both buffers are deallocated, and the switch forwards the packet through the fabric allocating a buffer for the next step. A1209 alternate bump and assembly facility product change notice. Radnet 1848ps radiationhardened serial rapidio packet switch assp the radnet 1848ps application specific standard product assp provides highperformance serial rapidio revision 2. A1204 changed of assembly material sets product change notice. Rapidio, infiniband and ethernet each find their place cots. This ip solution is provided in netlist form with supporting example design code. Rapidio runs into most other bus and switchfabric technologies because of its wide application range. Switch fabric data transmission rate 32 gbitss full duplex peak per slot for 4x vita 41. Debugging parallel rapidio designs with the agilent 16700. Rapidio is a high speed switched fabric interconnect with features aimed at the embedded market. The rapidio intel fpga ip core complies with the rapidio v2.
More recently, ethernet and infiniband have introduced remote direct. See the users manual or implementation specification for specific. Rapidio, infiniband and ethernet each find their place. This is the opposite of slower networks such as early iterations of ethernet and broadcast. Products with rapidio inside started shipping from oems to end users in 2003. Rapidio provides support for memorymapped io as well as messagebased transactions over the switched fabric network. Similarly, the serial rapidio fabric connects to the diskarray adapters.
Rapidio solves the communications fabric conundrum white paper. Rapidio is the only protocol option managed in an open enough way that it has become an iso standard. Behavior of the switches, and the interconnect fabric in general, is. With the pmcrio serial rapidio switchfabric pci mezzanine card pmc, thales computers powernode3 dual 1ghz powerpc 74587 singleboard computer sbc can connect to a serial rapidio fabric. The lds6521 poet interface can also provide local switching among. Infiniband and ethernet each find their place cots journal. Configuring and monitoring the switch fabric functionality this chapter describes how to configure the switching mode and monitor the switch fabric functionality that is included on the supervisor engine 72010ge and the supervisor engine 720. Rapidio rapidio was handed over to a new trade association in june 2000. Fabric card backplane rapidio switch rapidio switch rapidio rapidio rapidio rapidio rapidio rapidio rapidio rapidio rapidio. Rapidio fabric unifies vita and picmg platform architectures. The packet destination port within a 59 switch is defined by an internal routing table. The tsi574 is part of a family of switches that enable customers to develop systems with robust features and high performance at low cost.
Rapidio gen2 keeps pace with evolving wireless standards. The third rapidio link uses the j5 pins, where it can connect with a rear transition module. The srio gen2 endpoint supports 1x, 2x, and 4x lane widths. It combines high bandwidth with low cost and low power, and it is suitable for both control plane and data plane applications. A master port is an interface which allows rapidio transactions to be transmitted and received in a system. The rapidio switch fabric was designed to meet the performance and transport demands of a broad range of embeddedcomputing applications. The interconnect architecture is an open standard which addresses the needs of a wide variety of embedded. Its 6u vpxopenvpx form factor supports star and dualstar topologies, and it is available with serial rapidio switch fabric alone or as combined serial rapidio and ethernet switches in a single slot. Figure 2 controller control path control processor data path controller control path controller control path io card fabric switch io card control plane linkphy if data path switch interface. A master port provides a bridge from a processor running linux into the switched fabric network. Rapidio for low latency servers and wireless base station.
Fabric functions implementation of rapidio standard apis fabric management endpoint apis universal programming model for endpoint functions switch apis universal programming model for switch functions. Changing the data plane protocol is as simple as loading a new poet image into the local fpga. Rapidio is the embedded fabric of choice there are a large cast of interconnect standards on the market today, but few even begin to address the requirements of an open communications fabric. Messagingsocketsrdma events implementation of rapidio standard apis data path raw driver standardized hardware functions. The response packet is transferred to the initiator which again allocates a buffer to the transaction, and after responding withthe. Tsi500tm parallel rapidio multiport switch user manual document number. Rapidio products use established scalable, packetswitched, highperformance fabric to assist equipment designers with wireless infrastructure, edge networking, storage, scientific, and military and industrial markets. In addition, the tsi572 supports both inband rapidio access and outofband access to the full fabric register set through the i2c interface. Typical rapidio application dsp assp dsp assp cpu y y y y dsp e idge fpga oller rapidio ii ip core dsp assp rapidio switch system interconnect proprietary, cpri. An embedded system component network architecture 5 of 25 figure 3 rapidio furnishes a fabric to attach a distributed network protocol management. Disclosure of the information herein does not convey a license or any other right, by implication or otherwise, in any patent, trademark, or other intellectual property right of. The same fabric protocols rapidio, pci express, ethernet, and. An embedded system component network architecture 7 of 25 philosophy the architecture of rapidio was driven with certain principal objectives.
Rapidio the embedded system interconnect brings together one essential volume on rapidio interconnect technology, providing a major reference work for the evaluation and understanding of rapidio. Rapidio has a standardized discovery mechanism not unlike the pci bus standard that allows simple detection of devices in a network. Rapidio delivers low latency and high bandwidth for multi. But it doesnt necessarily conflict with technologies like pci, pci express, ethernet, or. Building on the industry leading tsi568a serial rapidio switch, the tsi57810gxxxced contains all the benefits of its predecessor plus enhances the fabric switching capabilities through the addition of multicast, traffic management through scheduling algorithms, programmable buffer depth, and fabric performance monitoring to. The rapidio standard, with growing switch, dsp and processor endpoint support, has been deployed in many applications and continues to gain widespread. Carrier grade a fabric must be reliable and robust.
Here are the secrets to selecting the right rapidio switchand to picking a vendor that help you with the design process. In fact, the rapidio standard is the only one that is mature and scaling to specifically address the full requirements of the communications fabric space. Low latency analytics and edge connected vehicles with. Thats because they can use just one mechanism, synchronous message passing, to communicate with any other application or service, either local or remote. Pcie and ethernet may choose to extend their respective specifications in future to allow events to be distributed with low latency. Switched fabric or switching fabric is a network topology in which network nodes interconnect via one or more network switches particularly crossbar switches. With accessible contributions from industry leaders, this book also serves as an excellent reference for common rapidio packet. For years it appeared that switch fabricsprimarily rapidio and infinibandwould be duking it out with ethernet for. Rapidio switch over 100 million 1020 gbps ports shipped worldwide 100% 4glte interconnect market share. Using e5387a soft touch connectorless probing the agilent e5387a soft touch connectorless differential probe combines secondgeneration probing technology with the. The embedded system interconnect is an essential tool for professionals involved in the development of largescale, highequipment.
The test results for latency and sustained throughput show that even its initial implementation can fill the needs of many such applications. Fabric management is implemented in the fabric management daemon fmd rrmap stack process. It must support performance management features, which allow a fabric manager typically a host processor to investigate and monitor the status of the fabric. Making the switch to rapidio making the switch to rapidio page 3 in this architecture, process are inherently distributed.
Rapidio fabrics guarantee inorder packet delivery, enabling power and area efficient protocol implementation in hardware. Logical defines the formats of the protocols and packets transport information. Ensemble 6000 series openvpx sfm6100 module datasheet. The switch fabric functionality is built into the supervisor engine and creates a dedicated connection between fabric enabled modules and provides uninterrupted transmission of frames between these modules. Rapidio fabric with less than 10 unit interval of jitter and 50 nanoseconds of latency per switch, regardless of packet traffic. Page 2 idt does not assume responsibility for use of any circuitry described herein other than the circuitry embodied in an idt product.
Rapidio products use highperformance architectures to pass data and control. Configuring and monitoring the switch fabric functionality. Proposed fabrics optimized for io include infiniband 5. Fullfeatured switch fabric technology the ensemble sfm6100 module utilizes seven tundra tsi578 serial rapidio crossbars to create a dualstar switching hierarchy among the payload modules. The fabric must contain semantics for event notification and handling. When serial rapidio srio emerged several years ago, it found a. Ethernet versus rapidio technology, is a comprehensive compilation of embedded interconnect information. The architecture addresses the need for faster bus speeds in an intrasystem interconnect for microprocessors. Vpx66902 6u vpx serial rapidio gen2 switch is a combined management, control, and data plane switch.
The tsi574 is part of a family of switches that enable customers to develop systems with robust features and. Vpx also greatly increased the number of backplane pins to handle more data traffic and user io making it more effective for todays applications. The next generation communication fabric for embedded application book. Because a switched fabric network spreads network traffic across multiple physical links, it yields higher total throughput than broadcast networks, such as the early 10base5 version of ethernet, or most wireless networks such as wifi. Switch fabrics represent the last major bastion of proprietary silicon in networking equipment, but recent dynamics are disrupting the status quo. The fmd offers two services to applications through the libfmdd library.
By barry wood, tundra february 20, 2009 the rapidio interconnect offers many advantages for embedded systems. A single system controller communicates to packet forwarding cards and a packet switch fabric subsystem through a rapidio switch. The device uses a 5th generation switch fabric, building upon gen1 cps and tsi switching architectures. Radnet 1848ps radiation hardened serial rapidio packet. Sbc serial rapidio fabric solution electronic design. Switching fabric is a network topology wherein different network nodes or terminals connect with each other via a number of switches, usually crossbar switches. Based on industrystandard electrical specifications such as those for ethernet, rapidio can be used as a chipto. Serial rapidio physical layer interface lattice semiconductor users guide introduction rapidio is a high performance, low pin count, packet switched, full duplex, system level interconnect architecture. Specifies the header information added to a rapidio logical packet and the way the header information is interpreted by a switching fabric. Serial rapidio physical layer interface ip users guide. Rapidio storage application solution as shown in fig. When it is in a sy stem with multiple rapidio enabled processors it provides high performance peertopeer communication through its nonblocking switch fabric. The rapidio architecture is a highperformance packetswitched interconnect technology.
A rapidio device is any endpoint or switch on the network. Ensemble 6000 series openvpx 2nd generation intel core i7. The interconnect architecture for high performance. Idts rapidio 10xn gen 3 compliant devices offer up to 50gbps port speeds and 600gbps nonblocking aggregate bandwidth and are backward. The interconnect architecture is defined as a packet switched protocol independent of a physical layer.
The impact of terabit networking inside switches and routers. This course provides an introduction to rapidio as it is. At one time, rapidio was the only fabric with a native memorymapped protocol. An endpoint inventory of the system, so that applications know what addresses are available in the system. The rapidio standard defines this mechanism independent of a physical implementation. All crossbars provide a fullduplex 4x link on each.
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