
US Patent No: 5,777,989
Number of patents in Portfolio can not be more than 2000
TCP/IP host name resolution for machines on several domains
Stats
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Jul 7, 1998
Issued date -
Dec 19, 1995
filing date -
08/574,488
serial no -
In Force
status
Importance
Abstract
This invention deals with an enhancement to the name resolution capabilities of existing TCP/IP networks. More specifically, it allows a host which is connected to a private network to be located through a connection to a different private network or a public network, such as the internet. This is achieved by allowing the host to be configured with more than one primary domain name server. This can be done using existing TCP/IP communications protocol and does not require a change to any code outside of the host. The host can also define one or more alternate domain name servers for each of the primary domain name servers. The definition of multiple primary and secondary domain name servers for each host allows the name of the host to be located, without a degradation in performance, if it is located or defined in any of the primary domain name servers.
First Claim
Related Publications
International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,617,540 System for binding host name of servers and address of available server in cache within client and for clearing cache prior to client establishes connection | 139 | 1995 | |
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| 5,142,622 System for interconnecting applications across different networks of data processing systems by mapping protocols across different network domains | 155 | 1989 | |
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| 4,893,307 Method and apparatus for linking SNA terminals to an SNA host over a packet switched communications network | 163 | 1988 | |
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| 5,021,942 Data processing system with packets specifying functions and arguments | 5 | 1988 | |
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| 4,853,843 System for merging virtual partitions of a distributed database | 254 | 1987 | |