Mobile Device IP Session Redirection via Reverse DNS Lookup
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Solution Overview
Problem
Existing methods for redirecting IP session requests from unauthorized mobile devices to web portals for activation are inefficient and unreliable, often requiring multiple access failures and providing a poor customer experience due to reliance on non-authorization causes like internet outages.
Innovation Solution
A method utilizing a reverse DNS lookup to dynamically assign IP addresses and redirect unauthorized mobile devices to the cellular network's web portal for activation, allowing partial authorization and self-activation through a restricted IP address, thereby efficiently and precisely guiding the device to the carrier's platform for activation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional redirection technique waiting for two access failures is used, then mobile device is redirected to carrier website for activation, but redirection is slow and provides poor customer experience
Solution Approach 1:
The system performs preliminary classification of the mobile device by examining device identifiers (IMEI, ESN, MSISDN) before the device attempts any network access. This preliminary action identifies unauthorized devices in advance and redirects them immediately to the activation website, eliminating the need to wait for access failures and providing fast, accurate redirection from the outset.
2Reliability
If conventional redirection technique relying on multiple access failures is used, then redirection is performed, but it is unreliable because failure may be caused by reasons other than non-authorization
Solution Approach 1:
The system introduces a classification mechanism that acts as an intermediary between the mobile device and the network. This classifier examines device identifiers and determines whether the device is unauthorized before allowing any network access attempts. By intercepting and classifying devices in advance, the system reliably identifies unauthorized devices without relying on access failure patterns, eliminating false positives caused by other network issues.
Solution Approach 2:
The system performs preliminary classification of the mobile device by examining device identifiers (IMEI, ESN, MSISDN) before the device attempts any network access. This preliminary action identifies unauthorized devices in advance and redirects them immediately to the activation website, eliminating the need to wait for access failures and providing fast, accurate redirection from the outset.
3Reliability
If mobile device is restricted to only carrier website access, then activation process is controlled, but customer experience deteriorates due to limited accessibility
Solution Approach 1:
The system applies different access policies to different devices based on their classification. Authorized devices enjoy full network access convenience, while unauthorized devices are selectively redirected to the activation website. This local differentiation ensures that activation control is applied only where necessary (to unauthorized devices) while maintaining full access convenience for authorized devices, thus preserving overall customer experience.
Data Source
AI summary
A request for establishing an IP session from a mobile device to be activated and connected to a cellular network is redirected to a web portal or platform of the cellular network. When the mobile device sends an authentication request for requesting establishment of an IP session to the cellular network, the mobile device receives a restricted IP address from the cellular network if the mobile device is not currently authorized for communication via the cellular network. A reverse domain name system lookup is performed on the restricted IP address to find a host name of a web portal or platform of the cellular network corresponding to the restricted IP address. The mobile device determines whether or not redirection of an IP communication request to the web portal or platform of the cellular network is to occur based on the host name.