RRR: Rapid Ring Recovery Submillisecond Decentralized Recovery for Ethernet Ring

Huynh, Minh; Goose, Stuart; Mohapatra, Prasant; Liao, Ren-Hong

doi:10.1109/tc.2010.185

Cited by 9 publications

(8 citation statements)

References 5 publications

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“…However, especially in IANs, the penetration of Ethernet encountered some difficulties because of its native non deterministic behavior. Moreover, the Rapid Spanning Tree Protocol (RSTP) [4], used in traditional Ethernet networks for providing reliability against failures, does not guarantee adequate recovery times with respect to the typical grace time of industrial plants (e.g., 20 ms for time-critical automation systems) [5]- [7].…”

Section: Performance Analysis Of Media Redundancy Protocol (Mrp) I Imentioning

confidence: 99%

“…These solutions often include protocols for the automatic management of failures assuming a ring topology. The design of redundancy management protocols for providing fast traffic recovery in Ethernet-based ring networks is also a hot research topic [7], [22], [23]. Indeed, the simplicity of the ring topology allows effective and deterministic traffic recovery within typical grace times.…”

Section: Performance Analysis Of Media Redundancy Protocol (Mrp) I Imentioning

confidence: 99%

“…With the settings specified in [26], MRP guarantees a worst case recovery time of 500, 200, or 30 ms in rings composed of up to 50 switches, and a worst case recovery time of 10 ms in rings composed of up to 14 switches. Therefore, MRP is suitable for a wide range of industrial applications including time-critical automation systems [5]- [7], [26]. Moreover, since there are no assumptions on the client nodes, MRP can be seamless introduced in already deployed LANs and IANs by replacing or updating only the network switches.…”

Section: Performance Analysis Of Media Redundancy Protocol (Mrp) I Imentioning

confidence: 99%

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Performance Analysis of Media Redundancy Protocol (MRP)

Giorgetti

Cugini

Paolucci

et al. 2013

IEEE Trans. Ind. Inf.

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IEC, recently, standardized several Industrial\ud Ethernet solutions that introduce the fieldbus\ud concepts within Ethernet based networks. In addition,\ud the IEC 62439 standardized a set of redundancy management\ud protocols, including the Media Redundancy\ud Protocol (MRP). In this way IEC standards provides a\ud variety of Ethernet-based solutions for satisfying both\ud temporal and redundancy management requirements\ud of Industrial Area Networks (IANs).\ud In this paper, after detailed study and implementation\ud of MRP, two parameters are identified that have\ud an important impact on the protocol performance: the\ud offset time and the physical detection time. Thus, a\ud method is provided to calculate a threshold to the\ud network recovery time. Finally, extensive simulations\ud and experimental measurements are performed to\ud accurately evaluate the effect of the aforementioned\ud parameters on the protocol performance

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Section: Performance Analysis Of Media Redundancy Protocol (Mrp) I Imentioning

confidence: 99%

Section: Performance Analysis Of Media Redundancy Protocol (Mrp) I Imentioning

confidence: 99%

Section: Performance Analysis Of Media Redundancy Protocol (Mrp) I Imentioning

confidence: 99%

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Performance Analysis of Media Redundancy Protocol (MRP)

Giorgetti

Cugini

Paolucci

et al. 2013

IEEE Trans. Ind. Inf.

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“…Ring topologies are popularly applied since they can respond quickly to failures and allow effective and deterministic traffic recovery within typical grace time [5][6][7][8][9][10][11]. Ethernet Automation Protection Switching [12] in IETF RFC 3619 and Media Redundancy Protocol (MRP) [13] in IEC 62439 are two standards for ring-topologybased Ethernet networks.…”

Section: Please Scroll Down For Articlementioning

confidence: 99%

Enhanced robustness of control network for Chinese Train Control System Level-3 (CTCS-3) facilitated by software-defined networking architecture

Yan

Xing

et al. 2014

International Journal of Rail Transportation

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“…Because the standard Ethernet does not support fault tolerance capability [2], the high availability of Ethernet networks can be increased by using redundancy protocols. Various redundancy protocols for Ethernet have been developed and standardized, such as rapid spanning tree protocol (RSTP) [3], media redundancy protocol (MRP) [4], rapid ring recovery (RRR) [5], time-sensitive network (TSN) [6,7], parallel redundancy The dual paths are then used to forward unicast frames between each connection pair of nodes instead of duplicating and forwarding frames to all parts of the networks.…”

Section: Introductionmentioning

confidence: 99%

Developing a New HSR Switching Node (SwitchBox) for Improving Traffic Performance in HSR Networks

Tien

Rhee

2016

Energies

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High availability is crucial for industrial Ethernet networks as well as Ethernet-based control systems such as automation networks and substation automation systems (SAS). Since standard Ethernet does not support fault tolerance capability, the high availability of Ethernet networks can be increased by using redundancy protocols. Various redundancy protocols for Ethernet networks have been developed and standardized, such as rapid spanning tree protocol (RSTP), media redundancy protocol (MRP), parallel redundancy protocol (PRP), high-availability seamless redundancy (HSR) and others. RSTP and MRP have switchover delay drawbacks. PRP provides zero recovery time, but requires a duplicate network infrastructure. HSR operation is similar to PRP, but HSR uses a single network. However, the standard HSR protocol is mainly applied to ring-based topologies and generates excessively unnecessary redundant traffic in the network. In this paper, we develop a new switching node for the HSR protocol, called SwitchBox, which is used in HSR networks in order to support any network topology and significantly reduce redundant network traffic, including unicast, multicast and broadcast traffic, compared with standard HSR. By using the SwitchBox, HSR not only provides seamless communications with zero switchover time in case of failure, but it is also easily applied to any network topology and significantly reduces unnecessary redundant traffic in HSR networks.

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RRR: Rapid Ring Recovery Submillisecond Decentralized Recovery for Ethernet Ring

Cited by 9 publications

References 5 publications

Performance Analysis of Media Redundancy Protocol (MRP)

Performance Analysis of Media Redundancy Protocol (MRP)

Enhanced robustness of control network for Chinese Train Control System Level-3 (CTCS-3) facilitated by software-defined networking architecture

Developing a New HSR Switching Node (SwitchBox) for Improving Traffic Performance in HSR Networks

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