Method used by clients to connect to oracle database server

Discussion

• Nirja Shah   -Posted on 30 Sep 15
  TCP/IP
  - “TCP/IP” is the acronym that is commonly used for the set of network protocols that compose the Internet Protocol suite.
  
  - Many texts use the term “Internet” to describe both the protocol suite and the global wide area network.
  
  - “TCP/IP” refers specifically to the Internet protocol suite.
  
  - “Internet” refers to the wide area network and the bodies that govern the Internet.
  
  - To interconnect your TCP/IP network with other networks, you must obtain a unique IP address for your network.
  
  - At the time of this writing, you obtain this address from an Internet service provider (ISP).
  
  - If hosts on your network are to participate in the Internet Domain Name System (DNS), you must obtain and register a unique domain name.
  
  - The InterNIC coordinates the registration of domain names through a group of worldwide registries.
  
  DECnet
  - If you attempt a cross-group connection to a nonactive group using the DECnet transport, Oracle MessageQ attempts to start a default DECnet object.
  
  - If the DECnet default account has been eliminated from the system on which the group is running, DECnet intrusion alarms are generated every time a Oracle MessageQ group attempts to connect to a nonactive group.
  
  - You can eliminate DECnet intrusion alarms by creating a dummy DECnet object to handle the connection attempt.
  
  - The dummy DECnet object is configured to accept and then immediately drop the connection.

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