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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 ...
For example, every device (such as an intermediate router) forwarding an IP datagram first decrements the time to live (TTL) field in the IP header by one. If the resulting TTL is 0, the packet is discarded and an ICMP time exceeded message is sent to the datagram's source address. Many commonly used network utilities are based on ICMP messages.
Web access management ( WAM) [1] is a form of identity management that controls access to web resources, providing authentication management, policy-based authorizations, audit and reporting services (optional) and single sign-on convenience. Authentication management is the process of determining a user’s (or application’s) identity.
The Domain Name System ( DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources in the Internet or other Internet Protocol (IP) networks. It associates various information with domain names (identification strings) assigned to each of the associated entities.
Change the outbound TTL to 255 for its protocol connection; If the protocol is a configured protocol peer. Set the Access Control List (ACL) to allow packets of the given protocol to only pass to the route processor (RP). The TTL must be set to either 255 if the destination is directly connect or 255 minus the range of acceptable hops if not ...
Treasury Tax and Loan. Treasury Tax and Loan Service, or TT&L, is a service offered by the Federal Reserve Banks of the United States that keeps tax receipts in the banking sector by depositing them into select banks that meet certain criteria. TT&L accounts are Treasury accounts created at commercial banks to accept electronic tax payments and ...
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Transistor–transistor logic. Transistor–transistor logic ( TTL) is a logic family built from bipolar junction transistors. Its name signifies that transistors perform both the logic function (the first "transistor") and the amplifying function (the second "transistor"), as opposed to earlier resistor–transistor logic (RTL) and diode ...