Part-I - Controller General of Patents Designs and Trademarks

(12) PATENT APPLICATION PUBLICATION (21) Application No.102/CHE/2012 A
(19) INDIA
(22) Date of filing of Application :10/01/2012 (43) Publication Date : 21/06/2013
(54) Title of the invention : METHOD AND APPARATUS FOR DETERMINING A SERVER WHICH SHOULD RESPOND
TO A SERVICE REQUEST
(51) International classification :H04L
(31) Priority Document No :11152469.0
(32) Priority Date :28/01/2011
(33) Name of priority country :EPO
(86) International Application No
:NA
Filing Date
:NA
(87) International Publication No : NA
(61) Patent of Addition to Application Number :NA
Filing Date
:NA
(62) Divisional to Application Number
:NA
Filing Date
:NA
(71)Name of Applicant :
1)NTT DOCOMO, INC.
Address of Applicant :11-1, NAGATA-CHO 2-CHOME,
CHIYODA-KU, TOKYO Japan
(72)Name of Inventor :
1)LUNDQVIST, HENRICK
2)DESPOTOVIC, ZORAN
(57) Abstract :
A method for determining a server which should respond to a service request from a mobile device, said method comprising:
Generating a DNS request which comprises a URI to identify a service requested by said mobile device and in addition to the URI
of the requested service an indication of the location of the mobile device; inserting into said DNS request a keyword, which
identifies said service DNS request as being a service which is enabled for service migration; forwarding said DNS request to a
DNS server; determining by said DNS server a most suitable server responding to said service request, said determination being
based on the location of the mobile device as indicated by said indication of the location added to said URI; returning the address
of said server which has been determined based on said location to said mobile device.
No. of Pages : 27 No. of Claims : 14
The Patent Office Journal 21/06/2013 13646