ARP server
First Claim
1. An ARP server to be used in a network in which a communication is performed according to a first protocol, comprising:
- storing means for storing, for each of a plurality of terminals that perform a communication by using the network, a second address that is used in performing a communication according to a second protocol and at least one first address that can be used in performing a communication according to the first protocol;
recognizing means for recognizing, based on received information, a second address for which a first address is to be selected and a terminal to be informed of the selected first address;
readout means for reading out all of first addresses corresponding to the recognized second address from the storing means;
selecting means for selecting one first address from among the read-out first addresses according to a predetermined condition; and
transmitting means for transmitting the selected first address to the terminal recognized by the recognizing means.
1 Assignment
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Accused Products
Abstract
An ARP server which can inform a calling terminal of an address suitable for an intended communication with a receiving terminal among a plurality of addresses usable for that purpose. The ARP server is equipped with an ATMARP table consisting of a plurality of unit tables each of which correlates an IP address and a plurality of ATM addresses. When receiving an inquiry about an ATM address corresponding to a certain IP address, the ARP server checks free bandwidths of circuits relating to respective ATM addresses in a unit table that corresponds to the IP address of interest, and informs the terminal that issued the inquiry of an ATM address with the largest free bandwidth.
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Citations
17 Claims
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1. An ARP server to be used in a network in which a communication is performed according to a first protocol, comprising:
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storing means for storing, for each of a plurality of terminals that perform a communication by using the network, a second address that is used in performing a communication according to a second protocol and at least one first address that can be used in performing a communication according to the first protocol; recognizing means for recognizing, based on received information, a second address for which a first address is to be selected and a terminal to be informed of the selected first address; readout means for reading out all of first addresses corresponding to the recognized second address from the storing means; selecting means for selecting one first address from among the read-out first addresses according to a predetermined condition; and transmitting means for transmitting the selected first address to the terminal recognized by the recognizing means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An ARP server to be used in a network in which a communication is performed according to a first protocol, comprising:
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storing means for storing, for each of a plurality of terminals that perform a communication by using the network, sets of a second address that is used in performing a communication according to a second protocol, at least one first address that can be used in performing a communication according to the first protocol and information used as selection condition of the first address; recognizing means for recognizing, based on received information, a second address for which a first address is to be selected and a terminal to be informed of the selected first address; readout means for reading out all of first addresses corresponding to the recognized second address from the storing means; selecting means for selecting one first address from among the read-out first addresses according to a predetermined condition; and transmitting means for transmitting the selected first address to the terminal recognized by the recognizing means.
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Specification