The architecture of a hybrid electrical and optical backplane with multiple bus lines for high performance bus is proposed and bus systems with 2 bus lines at a wavelength of 850 nm are. The mca bus never became widely used and has since been fazed out of the desktop computers. Must handle wide range of device latency, bandwidth and characteristics. Defined by the vita vme international trade association working group composed of companies such as abaco systems, adlink, aitech, boeing, curtisswright, elma.
The original specification was sponsored by vita and eventually standardized as ieee 1014. Highspeed backplane with broadcast capability abstract by qian wang, ms. Both vme and cpci have augmented their parallel bus structure with serial architectures through many generations of standards to keep up to date with their customers requirements. A planar view of the 3to3 optical bus architecture is shown in fig. Cross sectional view of board, connector, backplane, and front. Connects to the processormemory bus or backplane bus. A backplane or backplane system is an electrical connector that joins several electrical circuits together. The basic backplane is a parallel datatransfer topology used in a multipoint transfer scheme.
With a backplane enabled, each application instance sends messages to the backplane, and the backplane forwards them to the other application instances. The backplane uses a number of new technologies that enable a parallel. Different buses like local buses, backplane buses and io buses are used to perform different interconnection functions. A busbased architecture is presented as an alternative to the limitations of current schemes. Backplane bus architecture an optical backplane bus system equivalent to an array of ieee standardized backplane buses is described. In a different reality, this is the way computer architecture could go.
To attain these oftenconflicting goals, it is necessary to maximize the performance of every aspect of the design, including the backplane configuration. Jul 15, 2015 all subvme bus types which operate over p0 or p2 connectors are listed with descriptions on the vme p2 add on buses page and not on this page. Camparisons between hardwired vs microprogrammed control unit. Technical white paper hp 3par storeserv architecture 5 fullmesh controller backplane backplane interconnects within servers have evolved dramatically over the years. Internal mdio buses should be listed for all pcs ports that support backplane kr connection, in the device tree. Section 4 backplane design considerationsbackplane. Backplanes in order build a q bus system, you need a q bus backplane. Integrating enterprise service buses in a serviceoriented architecture martin keen jonathan bond jerry denman stuart foster stepan husek ben thompson helen wylie integrate esbs in websphere v6 and message broker v5 patterns for integrating esbs learn by example with practical scenarios front cover. Eisa is a computer bus designed by 9 competitors to compete with ibms mca bus.
Backplane data bus for integrated modular avionics backplane data bus, operates at 60mbps as a commercial aviation bus. Software manual e32gac0c4hx 3241c backplanebus api. This router has a highperformance switched backplane architecture capable of switching 16ports simultaneously, each with a line rate of 2. The gtlp backplane can be configured in a doubleended pullup termination scheme where bidirectional data transmission is required as shown above. The nic 206 communicates with the reconfigurable virtual backplane system bus 106 by placing data on the system bus 106 and retrieving data from the system bus 106. Backplane architectures proliferate connector supplier. This research investigates several problems associated with current multiprocessor interconnection networks, focusing primarily on generalpurpose, sharedmemory configurations. A backplane bus is a printed circuit on which many connectors are used to plug in functional boards. As soon the clients ask for a new zip file, the request is enqueued in the hangfire queue. Vpx, also known as vita 46, is an ansi standard ansivita 46. For example, the tdm bus in a wireless basestation unit operates in a multipoint fashion, with highspeed.
Its use of the eurocard format, its high performance, and its versatility are some of the reasons that it appeals to a wide range of users. Typically, this bus is driven by a backplane transceiver, primarily as the pointofcontact between backplane cards. A tring made up of tsections form a ringlike topology, wherein one tsection initiates from each computer backplane module and passively connects other computer backplane modules. Moreover, the computer architecture and computer system of the instruction branch and monitoring branch. Pcie backplane based computer architecture youtube. Safebus architecture, developed by honeywell is based on arinc 659 used on the boeing 777 aircraft. In this architecture, there are two optical paths for each signal line. A computer backplane data path which connects computer backplane modules in a backplane structure.
The sooner one considers the backplanes physical architecture near the beginning of a project, the more successful the project will be. Basic design considerations for backplanes 3 introduction since the beginning, most equipment makers have used parallel backplane architectures to deliver large amounts of data across one shared bus. Introduction e lectronic systems with backplane architecture are. Local buses are the buses implemented on the printedcircuit boards. Lengthy and supports multiple data rates and devices. A bus transaction may perform one or more bus operations bus cycle. Microarchitecture and instruction set architecture. The backplane connectors are parallel to each other in order to link each pin to its relative pin on each connector, forming a complete computer bus. Backplane architecture has served the electronics industry well for many years. Hp 3par storeserv architecture technical white paper. Netlinx open network architecture netlinx open network architecture is the rockwell automation strategy of using open networking technology.
Vpx, formally known as vita 46, is an ansi standard ansivita 46. A backplane is a multilayered printed circuit board assembly serving as the backbone of a system. On the basis of backplane bus, a 4 degree of aviation faulttolerant computer is designed. Polymer optical waveguid e based bidirectional optical. Embedded backplane buses list, back plane bus descriptions. Digital inputoutput modules, analog modules, and counter modules are provided as io. Jan 14, 2011 backplane architecture terms and definitions. Most, if not all, server and storage array architectures have traditionally employed simple busbased backplanes for highspeed processor, memory, and io communication. Short for extended industry standard architecture, eisa was announced september of 1988. Transition modules do not connect to vmebus but just to the. Section 3 backplane architecture backplane designers guide the primary criteria for backplane design are low cost, high speed, and high reliability.
It established a framework for 8, 16 and 32bit parallel bus computer architectures that can implement single and multiprocessor. Computer organization and architecture tutorials geeksforgeeks. Busesaresharedcomponentsthatprovidethepathsforallpartsofthe. It is used as a backbone to connect several printed circuit boards together to make up a complete computer system.
Backplane architecture and design bert simonovichs design. This will not be a problem if you want to build a pdp1103, or want to run an operating that can live within the 256 kb limit. By analogy, a signalr backplane connects multiple servers. The parallel backplane provides a physical and electrical interconnect between various modules in a system. An optical centralized sharedbus architecture demonstrator. However, backplane architecture is somewhat unrelated to the sbc technology plugged into it. Connecting these parts are three sets of parallel lines. Us7421526b2 reconfigurable virtual backplane architecture. A backplane or backplane system is a group of electrical connectors in parallel with each other, so that each pin of each connector is linked to the same relative pin of all the other connectors, forming a computer bus. The optical backplane consists of a 12 channel optical broadcast bus operating at 10 gbpschannel with six blind mate optical output ports spaced 1u apart. A maximum of 14 ccas will be supported in one chassis. Integrating enterprise service buses in a serviceoriented architecture martin keen jonathan bond jerry denman stuart foster stepan husek ben thompson helen wylie integrate esbs in websphere v6 and message broker v5 patterns for integrating esbs. One synchronous bus has a clock cycle time of 50 ns with each bus transmission taking 1 clock cycle.
An 18bit bus will limit the system to 256 kb of memory. I need to realize a simple cluster of workers that creates file zip file with a lot of pdf in it. Backplane bus structures and systems sciencedirect. The following is a list of common terms and definitions associated with system architecture and backplane design.
The sooner one considers the backplane s physical architecture near the beginning of a project, the more successful the project will be. Pci and pci express bus architecture realtime embedded. Bus architectures encyclopedia of life support systems. Section 4 backplane design considerationsbackplane designer. The optical signals from the transmitter t of each transceiver will be split into. There needs to be bidirectional signal flow between.
See dpaa2 architecture for details on how nxp semiconductors enable backplane support ethernet backplane driver support, rev. It describes which slot profiles are used and the speed options of the. Netlinx open network architecture netlinx open network architecture is the rockwell automation strategy of using open networking technology for seamless, topfloor to shopfloor integration. Basic design considerations for backplanes 3 introduction since the beginning, most equipment makers have used parallelbackplane architectures to deliver large amounts of data across one shared bus. The vme64 standard establishes a framework for 8, 16, 32, and 64bit parallelbus computer architectures that can implement single and multiprocessor systems. Many computers have a hierarchy of buses, so it is not uncommon to have two buses e. Vmebus module on the opposite side of the backplane via the user defined pins of. The backplane architecture is the same with the exception of the termination scheme termination voltage vtt and locally generated reference voltage vref. Descriptions of different backplane bus protocols, including pci and vmebased protocols. All subvme bus types which operate over p0 or p2 connectors are listed with descriptions on the vme p2 add on buses page and not on this page. One is for the source daughter board to deliver the signal to the distributor, and the other one for the distributor to broadcast the signal to all the daughter boards on the backplane bus. Pdf architecture design of aviation faulttolerant computer. An introduction to a simple computer system bus interface cards figure 4.
Alternatively, different ways of connecting the line cards to backplane bus can be used, including wired or wireless connections. Dandamudi, fundamentals of computer organization and design, springer, 2003. Polymer optical waveguid e based bidirectional optical bus. Backplane architecture highlevel design white paperissue 1. This article first describes fundamental information on bus architectures and bus protocols, and then provides specific information on various industry standard bus architectures from the past and the present. Section 2 backplane protocolsbackplane designers guide digchip. Find the bandwidth of each bus for oneword reads from 200ns memory. The backplane is an interconnecqon structure within the chassis. Defined by the vita vme international trade association working group composed of companies such as abaco. Section 3 backplane architecturebackplane designers guide. Backplanes commonly use a printed circuit board, but wire. Bus performance example the step for the synchronous bus are.
Today all highspeed systems use serial architecture. Circuitry embedded in up to 40 layers of the backplane can create custom pointtopoint, broad parallel bus structures or full mesh networks, essentially making the backplane a very large connector. Introduction to scaleout in signalr microsoft docs. The architecture of a hybrid electrical and optical backplane with multiple bus lines for high performance bus is proposed and bus systems with 2bus lines at a wavelength of 850 nm are. The computer bus supports several circuit boards, called daughter boards. Application demands, basic backplane considerations, and how to use this guide. In electronics, a backplane is a group of parallel connectors. The bus is based backplane bus structures and systems 597 on emittercoupled logic, supports multiple bus masters, and provides a flexible bus architecture. Nov 15, 2016 in a different reality, this is the way computer architecture could go. Another asynchronous bus requires 40 ns per handshake. Install adapters into the pointbus backplane to allow point io modules to communicate with a controller. Fast switched backplane for a gigabit switched router.
Arbitration sequence diagram two requesters, two request. The hpe 3par architecture was designed to provide cost effective singlesystem scalability through a cachecoherent, multinode clustered implementation. The isa industrial standard architecture bus is commonly used in ibmpc compatibles and. It consists of two parallel optical bus waveguides, which can transmit optical signals along two opposite directions. Larsen95 provides background information on the fastbus and reports on developments of this bus standard. Pdf hybrid optoelectronic backplane bus for multiprocessor. Up to 64 io compound modules can be connected to the 3241 controller. The prototype consists of a motherboard with segmented differential bus lines and. Design of a busbased sharedmemory multiprocessor dice.
Backplane architecture and design bert simonovichs. The vme64 standard establishes a framework for 8, 16, 32, and 64bit parallel bus computer architectures that can implement single and multiprocessor systems. The project deals with all aspects of the interconnection, from the architectural level to the physical backplane. One of the more clever implementations combining serial and parallel is the compactpci serial architecture. It established a framework for 8, 16 and 32bit parallelbus computer architectures that can implement single and multiprocessor. This architecture begins with a multifunction node design and, like a modular array, requires just two initia l controller nodes for redundancy. Photolithographyfree polymer optical waveguide arrays for. Index termsbackplane, blind mate, broadcast, bus, network, optical interconnect, waveguide. This is because for every port used, the management registers are accessed through the mdio bus.
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