The source code will allow you to quickly compile your own examples with the features of your existing development environment to work. Regardless of the type of lan architecture tree, mesh, etc. Prp iec 624393 2011, compatible with hsr iec 624393 clause 5 increments the sequence number for each frame pair sent. Vignesh shanmugam software developer siemens linkedin. Hsr stands for high availability seamless redundancy. The g500 summarizes data from the substation devices and makes it available locally remotely through a. Smart zynq pcie hsrprpptp is a networking card compliant with hsr and prp v3 redundant ethernet protocols iec 62439 clause 5 and 4. Parallel redundancy protocol prp is a network protocol standard for ethernet that provides seamless failover against failure of any network component. Ti has enhanced the linux hsr driver and ip link command in iproute2 package to support prp defined in iec 624393 clause 4. Iec 624392 is the industrial communication networks high availability automation networks part 2.
Download iec 608705101 protocol linux sdk for free. Add support for iec 624393 highavailability seamless. Comparisons to other implementations of the prp stack are discussed. This linux based reference design demonstrates highreliability, lowlatency network communications for substationautomation equipment in smart grid transmission and distribution networks. A frame is uniquely identified by due to switch filtering, a receiver only receives part of the traffic and could see gaps in the received sequence numbers.
You can find a sample frames attached to this bugreport. This paper discusses the techniques necessary to implement the ines linux based iec 624393 prp protocol as a software module within the qnx. Iec 624393 hsrprp implementation on sitara processors. It supports the highavailability seamless redundancy hsr specification in the iec 62439 standard. Hsrprp switch hp s is an ip core for the implementation of highavailability seamless redundancy and parallel redundancy protocol hsr and prp version 3, iec 624393clause 5 and 4 respectively standards for reliable ethernet communications. This reference design supports the parallel redundancy protocol prp specification in the iec 62439 standard.
Iec 624393 annex c specifies the precision time protocol industry profile that support a clock synchronization over prp with an accuracy of 1. The network robustness and reliability are strongly influenced by the implementation of redundancy and its ability of reacting to changes. To this end, the iec 624393 parallel redundancy protocol prp provides seamless recovery in layer 2. The source code will allow you to quickly compile your own examples with the features of your existing. Mrp media redundancy manager mrm defines its maximum recovery times for a ring in the following range.
Prp is implemented according to the 2010 version of iec 624393, also known as ppr1. This paper discusses the techniques necessary to implement the ines linux based iec 624393 prp protocol as a software module within the qnx networking driver environment, which also supports nonprp traffic simultaneously. It easily portable to other operating systems because there is just a. Hsr ethernet frames are not compatible with standard ethernet frames. Release notes for cisco catalyst ie3x00 rugged, ie 3400. Iec 62439 standards covers different system requirements. Network hardware linux commands to create link iec62439 mib. Prp nodes have two ports and are attached to two separated networks of similar topology. Add support for iec 62439 3 highavailability seamless redundancy. Availability improvement of layer 2 seamless networks. These protocols ensure high availability for the networking on critical infrastructures offering zerodelay recovering time. Parallel redundancy protocol prp the wireshark wiki. This is the zurich university of applied sciences software implementation of a prp endnode.
The current wireshark dissector recognizes both prp0 prp 2010, iec 624393 2010 and prp1 prp 2012, iec 624393 2012, which are two versions of the same protocol with different frame format. This is in contrast to the companion standard hsr iec 624393 clause 5. Tqsystems gmbh does not accept any liability for all further changes of the board. The sama5d3 processor manages the switch and includes the atecc508a security encoder. The switch support ethernet redundancy protocol, oring recovery time networks. Supports multiple iec 624393 pdf system bom savings from eliminating asics or fpgas used for industrial ethernet. There is a platform independent part and a linux userspace adaption using the linux tuntap device. This is a protocol used to support redundant networks needed for industrial applications such as factory automation, substation automation etc. Use the ip command to add a new hsr or prp link ip link add name hsr0 type hsr slave1 eth2 slave2 eth3 supervision 45 version 1 or ip link add name prp0 type prp slave1 eth2 slave2 eth3 supervision 45 2. Parallel redundancy protocol prp software implementation. Substation lan redundancy has been traditionally accomplished by reconfiguring the active network topology in case of failure.
The flexibilis redundant switch frs is a triplespeed 10mbps100mbps1gbps ethernet layer2 switch that supports new protocols, providing seamless redundancy for ethernet networking. Hsrprp switch is a full hardware solution that can be implemented on a lowcost fpga. Mrp, defined in international electrotechnical commission iec standard 624392, provides fast convergence in a ring network topology for industrial automation networks. Implementation in an fpga fabric is preferred for highspeed applications and for the integration of functionality for the iec 61588 ptp precision clock synchronization protocol. The da720 series computers are x86 platforms with 14 gigabit ethernet ports, 2 isolated rs232422485 serial ports, usb, vga, and 3 pcie ports for expansion modules. In the faultfree state of the network, the iec 62439 series protocols provide isoiec 88023 ieee 802. Parallel redundancy protocol prp is a network protocol standard for ethernet that provides. Any communication or application software must be able to deal with duplicates, since bridging. The linux networking subsystem in upstream kernel has added support for hsr driver starting in v3.
Iec 624393 edition 2, parallel redundancy prp protocol. G500 advanced substation gateway overview ges g500 is a secure, hardened, advanced substation gateway that collects metering, status, event, and fault report data from serial or lan based intelligent substation devices. If you use this software, it could be beneficial to have contact with our institute. In software prp is implemented as an intermediate layer that communicates with. Our prp stack is high quality industry grade software that supports the full functionality of prp as defined in the standard iec 62439.
General automation systems the standard recommends to use. Iec 624393 clause 5 describes the highavailability seamless redundancy protocol hsr. It is a flexible solution for the energy market equipment that. From the software point of view, the demo boots linux from an sd card located on the microzed som. Frs is compatible with iec 624393 clause 5 highavailability seamless redundancy hsr and iec 624393 clause 4 parallel redundancy protocol prp. Prp is implemented according to the 2012 version of iec 624393, also known as prp1. With its exclusive ethernet scanning library gep get ethernet packet, gas is designed to perform under heavy network loads to get to the network content of its interest.
Iec 624393 pdf system bom savings from eliminating asics or fpgas used for industrial ethernet. Iec 62439 standard iec 62439 standard describes methods to implement ethernet based network redundancy without packet loss. There is a platform independent part and a linux userspace using the linux tuntap device as well as a linux kernelspace adaption. Tidep0096 highavailability seamless redundancy ethernet. The da720 comes in a standard 19inch 2u rackmountable case with a robust design ideal for specialized industrial automation applications, including power substations. An html5 restapi runs under linux and provides a userfriendly interface to configure the switch, monitor the network, and remotely update firmware see figure 7. Parallel redundancy protocol ethernet reference design for. The use of the board support packages bsp is only allowed within the scope of functionality described by tqsystems gmbh. Relysync hsrprp pcie is a smart pluggable board that comprises in the same device hardware and software resources to implement specialized networking, synchronization and security oriented services. The device uses dedicated hardware for low latency switching and for implementing high accuracy clock synchronization based on ieee 1588 standard. Igs9042gp is managed redundant ring ethernet switches with 4x10100basetx ports and 2x100basex sfp ports. Linux for safety critical systems in iec 61508 context. Ksz9477 managed switch evaluation board with sama5d36 mpu evbksz94771 this is the evaluation board for the ksz9477s 7port gigabit ethernet switch also ksz9567 and ksz8567.
Nodes with single attachment can be attached to one network only. The software is only intended to evaluate the module. In addition to supporting both high availability seamless redundancy hsr, iec 624393 clause 5 and parallel redundancy protocol prp, iec 624393 clause 4 this content aware redundancy box ties into is5coms portfolio of iec 61850 software tools, discovery and gooseair, which allow utilities complete transparency into their ip and 61850. We leverage the netbsdbased network stack implementation of qnx, and discuss common api calls. This driver allows user to create an hsr network device with a pair of slave network interfaces a and b that are standard ethernet interfaces. This solution is a lowercost alternative to fpga approaches and provides the flexibility and performance to add features such as iec 61850 support without additional components. The source code will allow you to quickly compile your own examples with the features of your existing development environment to work with our iec 608705104 library. This unique approach is a lowercost alternative to fpgas and provides the flexibility and performance to add features such as iec 61850 support without additional components. Prp1 software stack zhaw institute of embedded systems ines.