Software-based failure detection and recovery in programmable network interfaces

A node recognizes the frames sent through its source address and sequence number. Clinical workflow demands are growing for the integration of formally independent devices such as ventilator systems and patient monitoring systems. Linkbased failure detection, if supported by the nic driver. Wo20150653a1 a system and method for observing and. Robust faultrecovery in softwaredefined networks ip networking. The recovery time objective is the amount of time a system can be offline during a disaster. Defined networking sdn, the network capability to establish an alternative path depends on. Krishna abstract emerging network technologies have complex network interfaces that have renewed concerns about network reliability. Catalyst 4500 series switch software configuration. A dependable network slicing scheme depends on the design of the adequate reaction mechanisms for recovery, based on accurate information of the failure events and the current state of the system. A system and method for observing and controlling a programmable network via higher layer attributes is disclosed.

Softwarebased failure detection and recovery in programmable network interfaces yizheng zhou, vijay lakamraju, israel koren, c. It supports legacy and softwarebased network adapters, sriovenabled network adapters, virtual machine checkpoints, storage or network resource pools, and advanced networking features enabled on virtual machines. In hospitals today, there is a trend towards the integration of different devices. Abstractwhen dealing with node or link failures in software. Bfd provides a consistent failure detection method for network administrators at a uniform rather than variable rate, which makes profiling, planning, and reconvergence simpler and more predictable. Failure and repair detection in ipmp oracle solaris. This can be done without any violation because the packet delivery in the internet protocol ip networks is not guaranteed. Software instrumentation for failure analysis of usb host controllers antonio sabatini, nathan jarus, pratik maheshwari, and sahra sedigh. Applying safety goals to a new intensive care workstation. Storage failure detection for virtual machines hyperv and failover. We explain the notion of softwaredefined networking sdn, whose southbound interface may be implemented by the openflow protocol. Krishnasoftwarebased failure detection and recovery in programmable network interfaces ieee transactions on parallel.

The term virtual network refers to the resulting software network entity. This allows for simultaneous detection of node absences and bus errors. However, the main weakness of this approach is the low throughput that the softwarebased network functions provide. Softwarebased fast failure recovery in load balanced sdn. Failure mode and effects analysis of softwarebased. However, due to the size and complexity, having proper and reliable information demands a system with the smartness to efficiently detect and filter. Architectures for online error detection and recovery in. In the conventional network, we can find several ha mechanisms e. Milliseconds network failure recovery and instantaneous reroute across all ports. We describe the operation of openflow and summarize the features of specification versions 1. It introduces flowbased programmable routing, by defining flows as packets.

With the lack of programmability complicating networking innovations, it was the early 1990s when work on creating programmable network started in earnest. These techniques rely mostly on special purpose hardware to replicate the program into redundant execution and compare their results. Krishna, softwarebased failure detection and recovery in programmable network interfaces, ieee transactions on parallel and distributed systems, v. In this paper, we present an effective lowoverhead failure detection technique, which is based on a software watchdog timer that detects network processor hangs and a selftesting scheme that detects interface failures other than processor hangs. Probebased failure detection, when test addresses are configured.

In other words, a successful network virtualization would require platform virtualization along with resourcevirtualization. Softwarebased adaptive and concurrent selftesting in. Fast failure recovery is cru cial for largescale inmemory storage systems, bringing networkrelated challenges including false detection due to transient network problems, traffic congestion during the recovery, and topofrack switch failures. Softwarebased design flow to accelerate programmable soc. At the heart of programmable data planes lies the question of which abstractions and programming interfaces to provide. Moreover, the presence of a double path for diagnostic messages, i. This happens very quickly to minimize lost traffic. Our failure recovery is achieved by restoring the state of the network interface using a small backup copy containing just. Therefore, a failure recovery scheme is a necessary requirement for.

Characterizing processor architectures for programmable network interfaces patrick crowley, marc e. Programmable network interface card nic, single event upset seu, radiation induced faults, failure detection, failure recovery, selftesting. Pdf softwarebased adaptive and concurrent selftesting. At the time there were two major, slightly differing schools, that advocated programmable networks. Failure on an upstream interface results in the automatic disabling of downstream interfaces in the uplinkstate group. We will explain how to use a softwarebased design flow that will enable you to create custom hardware accelerators for extracting the optimum performance needed for your application requirements from all programmable soc and mpsoc devices. Pdf softwarebased failure detection and recovery in. Softwaredefined network sdn is an emerging architecture aimed to address this need. Defined networking sdn, the network capability to establish. Sdn is meant to address the fact that the static architecture of traditional networks is decentralized and complex while. Wireless networks have become increasingly popular due to the inherent convenience of untethered communication.

Pdf fast failure detection and recovery in sdn with stateful data. Softwarebased failure detection and recovery in programmable network interfaces article pdf available in ieee transactions on parallel and distributed systems 1811. Securing the data path of nextgeneration router systems. Software fault tolerance techniques and implementation. Sdn adoption can improve network manageability, scalability and dynamism in enterprise data center.

Us20160285750a1 efficient topology failure detection in. Detection of failure mechanisms in 2440nm finfets with spectral photon emission techniques using ingaas camera 17. Failure detection is based on a software watchdog timer that detects network processor hangs and a selftesting scheme that detects interface failures other than processor hangs. It can be achieved by dropping the packets that caused the failure. The longly anticipated paradigm shift of software defined.

Detection of interfaces that were missing at boot time. Software defined networking sdn is a recent architectural framework. Softwarebased failure detection and recovery in programmable network interfaces yizheng zhou, vijay lakamraju, israel koren, and c. The proposed selftesting scheme achieves failure detection by periodically directing the control flow to go through only active software modules in order to detect. Inmemory storage has the benefits of low io latency and high io throughput. Network intrusion detection systems nids are critical network security tools that help protect distributed computer installations from malicious users. To supervise the network, a node may keep a table of all other nodes in the network from which it receives frames. Approaches 4 and 35 adopt the straightforward architectural. As a result, ensuring scalable and robust faultrecovery in pure sdn networks is.

Softwarebased failure detection and recovery in programmable network interfaces december 2007 ieee transactions on parallel and distributed systems yizheng zhou. How to configure uplink failure detection ufd on dell. We give an overview of existing sdnbased applications grouped by topic areas. The network elements nes in a sonetsdh network constantly monitor the health of the network. Adaptive security monitoring for nextgeneration routers. Hardware assist for switch clustering split multilink trunkingrouted split multilink trunking. By decoupling the network control and data planes, sdnbased architecture abstracts the underlying infrastructure from the applications that utilize it. Techniques for performing efficient topology failure detection in sdn networks are provided. A demonstration of fast failure recovery in software defined. Traditional softwarebased nids architectures are becoming strained as network data rates increase and attacks intensify in volume and complexity. Emerging network technologies have complex network interfaces that have renewed concerns about network reliability.

Software instrumentation for failure analysis of usb host. Publications prasant mohapatras network research group. Eem offers the ability to monitor events and take informational, corrective, or any desired eem action when the monitored events occur or when a threshold is reached. Embedded event manager eem is a distributed and customized approach to event detection and recovery offered directly in a cisco ios device. Softwarebased failure detection and recovery in programmable network interfaces yizheng zhou, vijay lakamraju, israel koren,fellow, ieee, and c. Softwarebased failure detection and recovery in programmable network interfaces by yz zhou, v lakamraju, i koren and cm krishna topics. According to one embodiment, the system includes one or more collectors, a network manager, and a programmable network element. This makes the networking infrastructure programmable and manageable at scale. Performance study of raid5 disk arrays with data and parity cache s. Systemlevel health check and self healing to enable system stability. Mani krishna, senior member, ieee abstractemerging network technologies have complex network interfaces. Network failure detection works with any virtual machine.

Orchestration and control in softwaredefined 5g networks. Datacenter virtualization, multitenancy, failure recovery, traffic engineering, loadbalancing backbone resiliency, reliability, determinism, traffic engineering and loadbalancing campus network network access control, guest access, monitoring malicious behavior security firewalls, intrusion detection and prevention, blacklists, enforced. This scheme relies on the linkfailure detection by combining the primary. Softwarebased failure detection and recovery in programmable network interfaces. When a failure is detected, the network proceeds through a coordinated predefined sequence of steps to transfer or switchover live traffic to the backup facility protection facility. Finally, we point out architectural design choices for sdn using openflow and. Further investigation using a softwarebased monitor revealed that the blank display was the result of a software failure. Softwaredefined networking sdn technology is an to network management that enables dynamic, programmatically efficient network configuration in order to improve network performance and monitoring making it more like cloud computing than traditional network management. Failure mode and effects analysis of softwarebased automation systems. Linkbased failure detection is always enabled, provided that the interface supports this type of failure detection. Mani krishna, senior member, ieee abstractemerging network technologies have complex network interfaces that have renewed concerns about network reliability. Iec 624393 hsrprp implementation on sitara processors. To ensure continuous availability of the network to send or receive traffic, ipmp performs failure detection on the ipmp groups underlying ip interfaces.