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Autori: T. Neagoe, V. Cristea, L. Bãnicã
Editorial: IEEE, Proceedings of the 2006 IEEE International Symposium on Industrial Electronics (ISIE2006), ISBN 1-4244-0497-5, The 2006 IEEE International Symposium on Industrial Electronics (ISIE2006), Montreal, Vol.1, p.pp. 317-32, 2006.
Trusted and precise time sources are required in computer networks and Internet for various reasons: time stamps for electronic documents, online transactions, storage and document retrieval, electronic mail, multimedia applications and many others. Also, the demand for Ethernet as a real-time control network is increasing, as manufacturers realize the benefits of employing a single network technology across the plant. For control and measurement applications, the need of an accurate distribution-wide sense of time is even more stringent than regular applications. This paper is comparing two clock synchronization protocols, the Network Time Protocol and the IEEE-1588 Precision Time Protocol. It gives an overview of synchronization methods by the time stamping employed in IP-based real-time applications looking at the possible sources of errors as well as the achievable performance of the two standards.
Cuvinte cheie: sincronizare, distributie temporala, protocol, implementare 1588 // Clock synchronization, time distribution, protocol,1588 Implementations