Expert Network Time Protocol: An Experience in Time with NTP

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Apress, 22 нояб. 2006 г. - Всего страниц: 153

Have you ever tried to figure out why your computer clock is off, or why your emails somehow have the wrong timestamp? Most likely, it’s due to an incorrect network time synchronization, which can be reset using the Network Time Protocol. Until now, most network administrators have been too paranoid to work with this, afraid that they would make the problem even worse. However, Expert Network Time Protocol: An Experience in Time with NTP takes the mystery out of time, and shows the network administrator how to regain the upper hand.

This book is a fascinating look into NTP, and the stories behind the science. Written by Peter Rybaczyk, one of the foremost experts on NTP, this book will show the network administrator how to become more comfortable working with time.

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Network Administration and
27
NTP Operational Historical
41
NTP Architecture
63
NTP Design Configuration
93
Figure 56 Redundant secondary timeservers
125
A Journey in Time
137
Additional NTP Resources
139
Audi Robert general editor The Cambridge Dictionary of Philosophy pbked
141
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Стр. 31 - Even such is time, that takes in trust Our youth, our joys, our all we have, And pays us but with earth and dust ; Who, in the dark and silent grave, When we have wandered all our ways, Shuts up the story of our days ; But from this earth, this grave, this dust, My God shall raise me up, I trust ! ELIZABETHAN MISCELLANIES.
Стр. 32 - When I have seen the hungry ocean gain Advantage on the kingdom of the shore, And the firm soil win of the watery main, Increasing store with loss, and loss with store; When I have seen such interchange of state, Or state itself confounded to decay ; Ruin hath taught me thus to ruminate, That Time will come and take my love away. This thought is as a death, which cannot choose But weep to have that which it fears to lose.
Стр. 32 - Time, thon shall not boast that I do change : Thy pyramids built up with newer might To me are nothing novel, nothing strange ; They are but dressings of a former sight. Our dates are brief, and therefore we admire What thou dost foist upon us that is old; And rather make them bom to our desire, Than think that we before have heard them told.
Стр. 32 - And brass eternal slave to mortal rage ; When I have seen the hungry ocean gain Advantage on the kingdom of the shore, And the firm soil win of the watery main, Increasing store with loss and loss with store; When I have seen such interchange of state, Or state itself confounded to decay ; Ruin hath taught me thus to ruminate, That Time will come and take my love away.
Стр. 15 - The second is the duration of 9, 192, 631, 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium- 133 atom (13th CGPM, 1967).
Стр. 47 - Computer), which was first demonstrated at the Moore School of Electrical Engineering at the University of Pennsylvania at Philadelphia Feb 14, 1946.
Стр. 32 - When I have seen by Time's fell hand defaced The rich-proud cost of outworn buried age; 'When sometimes lofty towers I see down-razed, And brass eternal, slave to mortal rage; "When I have seen the hungry ocean gain Advantage on the kingdom of the shore, And the firm soil win of the...
Стр. 47 - There is no reason anyone would want a computer in their home. (Ken Olson, president, chairman and founder of Digital Equipment Corp., 1977) This 'telephone' has too many shortcomings to be seriously considered as a means of communication.
Стр. 126 - Feb 20 2005) our mode client, peer mode server, our poll intvl 64, peer poll intvl 64 root delay...
Стр. 23 - A search for a general understanding of values and reality by chiefly speculative rather than observational means...

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Об авторе (2006)

Peter Rybaczyk is an Internet working consultant, a technical author, an IT seminar conductor, and a business owner. He began his IT career as an application programmer, database administrator, and network administrator for Summit University Press during the 1980s. After staring his first consulting business in 1990, he consulted and worked with telecom equipment vendors (Nortel Networks, Ericsson, Cisco Systems), local and regional ISPs, voiceover IP providers, law firms, health care providers, auto dealerships, and banks. Rybaczyk has designed, installed, and managed numerous LANs and WANs in diverse multi-protocol environments. And he has delivered over 120 IT seminars worldwide. Earlier in the decade, he was involved for two years in the design, deployment, configuration, and management of a nation-wide VoIP network in the U.S. During his training career, Rybaczyk has conducted seminars on voiceover IP, routing protocols (OSPF and BGP), TCP/IP protocol suite, Cisco routers and switches, network management, WAN switches, and data networks design and optimization. He has developed custom training courses on Cisco WAN management products, OSPF, rapid development tools, and voiceover IP that he delivered to audiences in the U.S., Canada, Europe, Australia and Asia. He is a former Cisco Certified System Instructor (CCSI) for Cisco Products Solutions Essentials and Networking Fundamentals. Rybaczyk was the Master of Ceremonies at VoIP Congress 2003 in Singapore and VoIP Congress 2004 in Kuala Lumpur. Rybaczyk holds a bachelor's degree in physics from the University of Missouri, Saint Louis. He also holds several industry certifications including CNE, CCNA, and CCNP. Peter's IT consulting firm, Convergent Netcom Services, is located in Tucson, Arizona.

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