Bookcover of Time to Live
Booktitle:

Time to Live

Counter, Timestamp, Computer network

Polic (2012-06-03 )

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ISBN-13:

978-613-6-28733-1

ISBN-10:
6136287331
EAN:
9786136287331
Book language:
English
Blurb/Shorttext:
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Time to live is a mechanism that limits the lifespan of data in a computer or network. TTL may be implemented as a counter or timestamp attached to or embedded in the data. Once the prescribed event count or timespan has elapsed, data is discarded. In computer networking, TTL prevents a data packet from circulating indefinitely. In computing applications, TTL is used to improve performance of caching or improve privacy. Under the Internet Protocol, TTL is an 8-bit field. In the IPv4 header, TTL is the 9th octet of 20. In the IPv6 header, it is the 8th octet of 40. The maximum TTL value is 255, the maximum value of a single octet. The time-to-live value can be thought of as an upper bound on the time that an IP datagram can exist in an Internet system.
Publishing house:
Polic
Website:
http://www.betascript-publishing.com
Edited by:
Theia Lucina Gerhild
Number of pages:
104
Published on:
2012-06-03
Stock:
Available
Category:
Data communication, networks
Price:
1,380.99 NT$
Keywords:
Computer, Network, mechanism, Applications, Data, Protocol

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