How to book appointment online for update adhar card
आधार कार्ड में करेक्शन कराने के लिए आधार सेंटर पर जाने के लिए अपॉइंटमेंट बुक करिये ऑनलाइन वह भी मोबाइल से
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TTL in Networking (Time to live)
Time to live For the 1969 French film, see Time to Live (film) . Time to live ( TTL ) or hop limit is a mechanism which limits the lifespan or lifetime 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 or revalidated. In computer networking , TTL prevents a data packet from circulating indefinitely. In computing applications, TTL is commonly used to improve the performance and manage the caching of data. IP packets 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. A recommended initial value is 64. [1] [2] 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. The TTL field is set by the send
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