Automated CPE Connection Through Pre-Enrollment VPN Tunnels
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Solution Overview
Problem
Existing methods for securely connecting customer premises equipment (CPE) to company networks via third-party networks are inefficient and lack scalability, security, and require manual intervention.
Innovation Solution
A method and system that involves transmitting a handshake packet from CPE to a pre-enrollment server through a third-party network, establishing a generic VPN tunnel, obtaining identification parameters, validating the CPE, and setting up a secure connection to a production environment using protected communication channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual intervention is used to connect CPE to company networks, then security can be maintained, but efficiency and scalability are reduced
Solution Approach 1:
The CPE device performs self-configuration by automatically sending handshake packets to the pre-enrollment server, receiving identification parameters, validating itself, and establishing secure connections without requiring manual technician intervention. This self-service approach dramatically improves connection efficiency and scalability while maintaining security through automated authentication and encryption protocols.
Solution Approach 2:
The system establishes a pre-enrollment server that prepares connection parameters and validation rules in advance. The handshake packet contains pre-configured authentication mechanisms, and the isolated portion of the headquarters datacenter is pre-set with validation logic. This preliminary action enables automated, efficient connections while maintaining security through pre-established secure channels.
2Adaptability or versatility
If third-party networks are used to connect CPE, then distribution flexibility is improved, but security risks increase
Solution Approach 1:
The pre-enrollment server acts as a secure intermediary between the CPE and the production environment. It receives handshake packets from CPE via third-party networks, authenticates them, and establishes a dedicated secure tunnel. This intermediary approach allows flexible use of third-party networks for initial communication while maintaining security through centralized authentication and encrypted channels.
Solution Approach 2:
The connection process is segmented into distinct secure phases: initial handshake packet transmission via third-party network, authentication at the pre-enrollment server, establishment of a dedicated VPN tunnel, and validation before production environment access. This segmentation allows each phase to be optimized for both flexibility and security, with security measures applied at critical boundaries.
3Adaptability or versatility
If multiple CPE devices are connected simultaneously, then system scalability is improved, but connection complexity increases
Solution Approach 1:
The pre-enrollment server provides universal functionality that handles multiple CPE devices through a standardized handshake packet protocol. The same authentication and validation process works for all CPE devices, enabling scalable multi-installation support without increasing operational complexity. The system automatically manages multiple concurrent connections through standardized procedures.
Data Source
AI summary
A system and methods for automatically and securely connecting a customer premises equipment (CPE) to a headquarters production environment are disclosed. The method includes automatically transmitting handshake messages from the CPE to a headquarters pre-enrollment server; establishing a generic VPN tunnel between the CPE and an isolated server; obtaining one or more parameters from the CPE and establish the pre-enrollment tunnel; using the one or more parameters, verifying the CPE; and establishing a production tunnel between the CPE and the production environment.