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