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A routing-level solution for fault Detection, masking, and Tolerance in NoCs
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2015 (English)In: Proceedings - 23rd Euromicro International Conference on Parallel, Distributed, and Network-Based Processing, PDP 2015, IEEE conference proceedings, 2015, 365-369 p.Conference paper (Refereed)Text
Abstract [en]

Faults may occur in numerous locations of a router in a NoC platform. Compared with the faults in the data path, faults in the control path may cause more severe effects which may result in crashing the entire system. Most of the current efforts in literature focus on disabling a router when a fault is detected. Considering this level of coarse-granularity, the functioning parts of a router have to be unnecessarily disabled which may severely affect the performance or functionality of the on-chip network. To cope with this problem, in this paper we propose a mechanism to tolerate faults in the control path which largely avoid disabling a router as long as the fault is not severe. This mechanism is called DMT, standing for three distinguishing characteristics of the proposed method as fault Detection, fault Masking and fault Tolerance. The proposed mechanism can efficiently detect the faults expressed as illegal turns while it has the capability to tolerate faults without a prior knowledge on where and why a fault has happened.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. 365-369 p.
Keyword [en]
Fault-tolerance, Network-on-chip, Fault tolerance, Fault tolerant computer systems, Routers, VLSI circuits, Control path, Data paths, Entire system, Fault masking, On-chip networks, Prior knowledge, Tolerate faults, Fault detection
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-187509DOI: 10.1109/PDP.2015.87ISI: 000380471500055ScopusID: 2-s2.0-84962815511ISBN: 9781479984909OAI: oai:DiVA.org:kth-187509DiVA: diva2:937010
Conference
23rd Euromicro International Conference on Parallel, Distributed, and Network-Based Processing, PDP 2015, 4 March 2015 through 6 March 2015
Note

Funding Details: Academy of Finland

QC 20160614

Available from: 2016-06-14 Created: 2016-05-25 Last updated: 2016-09-05Bibliographically approved

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