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  2. Controlled internal drug release - Wikipedia

    en.wikipedia.org/wiki/Controlled_internal_drug...

    Controlled internal drug release (CIDR) devices are used in livestock for the synchronization of estrus. They are T-shaped devices with a silicone-coated nylon core. [1] The silicone coating is impregnated with progesterone. [2] CIDRs are inserted intra-vaginally using a specialized applicator.

  3. Classless Inter-Domain Routing - Wikipedia

    en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

    CIDR notation is a compact representation of an IP address and its associated network mask. The notation was invented by Phil Karn in the 1980s. [9] [10] CIDR notation specifies an IP address, a slash ('/') character, and a decimal number. The decimal number is the count of consecutive leading 1-bits (from left to right) in the network mask ...

  4. Classful network - Wikipedia

    en.wikipedia.org/wiki/Classful_network

    A classful network is an obsolete network addressing architecture used in the Internet from 1981 until the introduction of Classless Inter-Domain Routing (CIDR) in 1993. The method divides the IP address space for Internet Protocol version 4 (IPv4) into five address classes based on the leading four address bits.

  5. Multicast address - Wikipedia

    en.wikipedia.org/wiki/Multicast_address

    224.0.1.40 The Cisco multicast router AUTO-RP-DISCOVERY address is the destination address for messages from the RP mapping agent to discover candidates. Yes 224.0.1.41 H.323 Gatekeeper discovery address Yes 224.0.1.129–132 Precision Time Protocol (PTP) version 1 messages (Sync, Announce, etc.) except peer delay measurement Yes 224.0.1.129

  6. Conference on Innovative Data Systems Research - Wikipedia

    en.wikipedia.org/wiki/Conference_on_Innovative...

    The Conference on Innovative Data Systems Research (CIDR) is an annual computer science conference focused on research into new techniques for data management. It was started in 2002 by Michael Stonebraker , Jim Gray , and David DeWitt as a biennial conference to be held at the Asilomar Conference Grounds in Pacific Grove, California .

  7. Default route - Wikipedia

    en.wikipedia.org/wiki/Default_route

    The default route in Internet Protocol Version 4 (IPv4) is designated as the zero address, 0.0.0.0 / 0 in CIDR notation. [2] Similarly, in IPv6, the default route is specified by :: / 0. The subnet mask is specified as / 0, which effectively specifies all networks and is the shortest match possible. A route lookup that does not match any other ...

  8. CIDR (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/CIDR_(disambiguation)

    CIDR is Classless Inter-Domain Routing, a method for allocating IP addresses and routing Internet Protocol packets. CIDR may also refer to: Biology and medicine

  9. Wildcard mask - Wikipedia

    en.wikipedia.org/wiki/Wildcard_mask

    To indicate what IP addresses should be permitted or denied in access control lists (ACLs). A wildcard mask can be thought of as an inverted subnet mask . For example, a subnet mask of 255.255.255.0 ( 11111111.11111111.11111111.00000000 2 ) inverts to a wildcard mask of 0.0.0.255 ( 00000000.00000000.00000000.11111111 2 ).