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D. L. Mills. Precision synchronization of cmputer network clocks. ACM Computer Communication Review, 24(2):28--43, April 1994.

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Fine-Grained Network Time Synchronization using Reference.. - Elson, Girod, Estrin (2002)   (78 citations)  (Correct)

....in networks that employ point to point links. However, it is applicable for a wide range of applications in both wired and wireless networks where a broadcast domain exists and higherprecision synchronization is required than the sub millisecond bound that NTP can typically provide in a LAN [23, 21]. We consider the applicability of RBS to traditional LANs in Section 5.5. The organization of this paper is as follows: We first review re lated work in Section 2. In Section 3, we describe design of traditional time synchronization protocols in more detail, and contrast it to RBS s design ....

....message with its receiver. Doing so removes the Send Time and Access Time from the critical path, as shown in Figure 1. This is a significant advantage for synchronization on a LAN, where the Send Time and Access time are typically the biggest contributors to the nondeterminism in the latency. In [21], Mills attributes most of the phase error seen when synchronizing an NTP client workstation to a GPS receiver on the same LAN (500sec 2000sec in his 1994 study) to these factors Ethernet jitter and collisions. To counteract these effects, an RBS broadcast is always used as a relative time ....

D. L. Mills. Precision synchronization of cmputer network clocks. ACM Computer Communication Review, 24(2):28--43, April 1994.


Fine-Grained Network Time Synchronization using Reference.. - Elson, Girod, Estrin (2002)   (78 citations)  (Correct)

....in networks that employ point to point links. However, it is applicable for a wide range of applications in both wired and wireless networks where a broadcast domain exists and higherprecision synchronization is required than the 500sec 2000sec bound that NTP can typically provide in a LAN [23, 20]. We consider the applicability of RBS to traditional LANs in Section 5.5. The organization of this paper is as follows: We first review related work in Section 2. In Section 3, we describe design of traditional time synchronization protocols in more detail, and contrast it to RBS s design ....

....message with its receiver. Doing so removes the Send Time and Access Time from the critical path, as shown in Figure 1. This is a significant advantage for synchronization on a LAN, where the Send Time and Access time are typically the biggest contributors to the nondeterminism in the latency. In [20], Mills attributes these factors (Ethernet jitter and collisions) to most of the 1000sec 2000sec phase error seen when synchronizing an NTP client workstation to a GPS receiver on the same LAN. To counteract these effects, an RBS broadcast is always used as a relative time reference, never to ....

David L. Mills. Precision synchronization of cmputer network clocks. ACM Computer Communication Review, 24(2):28--43, April 1994. 12

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