Communication apparatus and communication method

• US 20060192994A1
• Filed: 01/26/2006
• Published: 08/31/2006
• Est. Priority Date: 02/28/2005
• Status: Abandoned Application

• Current Assignee: Murata Machinery Limited (Muratec)
• Original Assignee: Murata Machinery Limited (Muratec)
• Inventors: Tanimoto, Yoshifumi
• Application Number:
  US11/340,107
• Publication Number:
  US 20060192994A1
• Time in Patent Office: Days
• US Class Current: 358/1.15
• CPC Class Codes: H04L 61/4511 using domain name system [DNS]
• CPC Class Codes: H04L 61/5046 Resolving address allocation conflicts; Testing of addresses testing when self-assigning an address H04L61/5092
• CPC Class Codes: H04L 67/104 Peer-to-peer [P2P] networks
• CPC Class Codes: H04L 69/40 for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection management of faults, events, alarms or notifications in data switching networks H04L41/06
• CPC Class Codes: H04N 1/32667 Restarting a communication or performing a recovery operation
• CPC Class Codes: H04N 1/32683 Preventive counter-measures, e.g. using redundant hardware, or anticipating a fault arrangements for keeping a communication line open H04N1/32795

Abstract

A communication apparatus and method. Identification information statically allocated to a remote communication apparatus is designated. A domain name of the remote communication apparatus is presented to acquire an IP address by using a DNS service. A connection is made to a remote communication apparatus, to which the IP address acquired is allocated, to receive a response message. Information included in a predetermined section of the response message and all or a predetermined part of identification information designated are compared. When all or the predetermined part of the identification information coincides with the information included in the predetermined section of the response message, substantive data is transmitted to the remote communication apparatus connected.

Claims

1. A communication apparatus, comprising:

a unit that designates identification information statically allocated to a remote communication apparatus;

a unit that presents a domain name of the remote communication apparatus to acquire an Internet Protocol (IP) address by using a Domain Name System (DNS) service;

a unit that makes a connection to a remote communication apparatus, to which the IP address acquired is allocated, to receive a response message; and

a unit that transmits, only when information included in a predetermined section of the response message received and all or a predetermined part of the identification information designated coincide with each other, substantive data to the remote communication apparatus connected.

2. The communication apparatus according to claim 1, further comprising:

a unit that detects a domain name from the response message; and

a unit that judges whether the domain name detected coincides with the domain name presented in advance.

3. The communication apparatus according to claim 1, further comprising a unit that prevents, when the information included in the predetermined section of the response message and at least the predetermined part of the identification information designated do not coincide with each other, transmission of the substantive data.

4. The communication apparatus according to claim 3, further comprising a unit that informs a user of an error, when the transmission of the substantive data is prevented.

5. The communication apparatus according to claim 3, further comprising:

a unit that presents, when the transmission of the substantive data is prevented, the domain name of the remote communication apparatus to acquire an Internet Protocol (IP) address again;

a unit that makes a connection to a remote communication apparatus, to which the IP address acquired is allocated, to receive a response message; and

a unit that transmits the substantive data to the remote communication apparatus connected, only when information included in a predetermined section of the response message received and all or a predetermined part of the identification information designated coincide with each other.

6. The communication apparatus according to claim 5, further comprising:

a unit that counts a number of times the transmission of the substantive data is prevented;

a unit that judges that the number of times exceeds a predetermined value; and

a unit that transmits, when the number of times exceeds the predetermined value, the substantive data to the remote communication apparatus according to facsimile communication.

7. The communication apparatus according to claim 6, further comprising a unit that stores a telephone number for the facsimile communication in association with the domain name.

8. The communication apparatus according to claim 7, further comprising a unit that informs an error, when a telephone number for the facsimile communication is not stored in association with the domain name.

9. The communication apparatus according to claim 1, wherein the Domain Name System (DNS) service is a dynamic DNS service, and the Internet Protocol (IP) address is a dynamic IP address.

10. The communication apparatus according to claim 1, further comprising a unit that requests a connection from the remote communication apparatus according to an SMTP to receive a response message of the remote communication apparatus.

11. A communication method, comprising the steps of:

designating identification information statically allocated to a remote communication apparatus;

presenting a domain name of the remote communication apparatus to acquire an Internet Protocol (IP) address by using a DNS service;

making a connection to a remote communication apparatus, to which the IP address acquired is allocated, to receive a response message;

comparing information included in a predetermined section of the response message and all or a predetermined part of the identification information designated; and

transmitting substantive data to the remote communication apparatus connected, when all or the predetermined part of the identification information coincides with the information included in the predetermined section of the response message.

12. The communication method according to claim 11, further comprising the step of preventing transmission of the substantive data to the connected remote communication apparatus, when all or the predetermined part of the identification information does not coincide with the information included in the predetermined section of the response message.

13. The communication method according to claim 12, further comprising the step of informing, when the transmission of the substantive data is prevented, a user of the prevention of the transmission of the substantive data.

14. The communication method according to claim 12, further comprising the steps of:

presenting the domain name of the remote communication apparatus to acquire an Internet Protocol (IP) address again by using the Domain Name System (DNS) service;

making a connection to a remote communication apparatus, to which the IP address acquired is allocated, to receive a response message;

comparing information included in a predetermined section of the response message and all or a predetermined part of the designated identification information; and

transmitting the substantive data to the remote communication apparatus connected, when all or the predetermined part of the identification information coincides with the information included in the predetermined section of the response message.

15. The communication method according to claim 14, further comprising the step of preventing transmission of the substantive data to the connected remote communication apparatus, when all or the predetermined part of the identification information does not coincide with the information included in the predetermined section of the response message.

16. The communication method according to claim 15, further comprising the step of transmitting the substantive data to the remote communication apparatus according to facsimile communication if the facsimile communication is possible, when a number of times the transmission of the substantive data to the remote communication apparatus is prevented exceeds a predetermined number of times.

17. The communication method according to claim 16, further comprising the step of informing a user of the transmission of the substantive data, when the substantive data is transmitted to the remote communication apparatus according to the facsimile communication.

18. The communication method according to claim 16, further comprising the step of informing an error when the facsimile communication to the remote communication apparatus is impossible.

19. The communication method according to claim 11, further comprising the step of making a connection to the remote communication apparatus according to a Simple Mail Transfer Protocol (SMTP) to receive a response message from the remote communication apparatus.

20. The communication method according to claim 11, further comprising the steps of:

detecting a domain name from the response message received; and

comparing the domain name detected with the domain name of the remote communication apparatus.