MCPTT Server Identity Translation Across Planes
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Solution Overview
Problem
Current systems for Mission Critical Push To Talk (MCPTT) services face challenges in managing identities across multiple planes, particularly in translating application plane identities to signaling plane identities and ensuring confidentiality and security in communication networks.
Innovation Solution
A method and system where a MCPTT server receives a request message to establish a call between MCPTT clients, translates application plane identities to signaling plane identities, and sends these identities to establish the call, while encrypting and decrypting identities as necessary to maintain security and confidentiality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If application plane identity and signaling plane identity are managed separately by different organizations, then each plane can maintain its own independent identity system, but it becomes complex to translate and map identities between the two planes
Solution Approach 1:
The patent introduces an identity translation function that acts as an intermediary between the application plane and signaling plane. This translation function receives identity information from one plane and translates it to the corresponding identity format of the other plane, enabling seamless communication while maintaining the independence of both identity systems. The intermediary resolves the complexity by providing a standardized translation mechanism rather than requiring direct integration between the two independent systems.
2Object-affected harmful factors
If MCPTT user identity is kept confidential from the IMS operator, then mission critical organization confidentiality is maintained, but it requires additional encryption and decryption operations
Solution Approach 1:
The patent applies encryption selectively only to the MCPTT user identity portion of the signaling messages, while leaving other parts of the message in plaintext. This local quality approach ensures that confidentiality is provided exactly where needed (the identity field) without unnecessarily encrypting the entire message, thereby reducing the encryption overhead and processing complexity while still maintaining the required confidentiality protection.
3Productivity
If identity translation between application plane and signaling plane is implemented, then seamless operation of MCPTT service over IMS is enabled, but it requires establishing and maintaining identity mappings
Solution Approach 1:
The patent establishes identity mappings between application plane identities and signaling plane identities in advance, before actual MCPTT service operations begin. By performing this preliminary action of creating and storing the mapping relationships, the system enables seamless real-time operations without requiring complex runtime translation decisions. The pre-established mappings reduce the computational burden during active service delivery and ensure consistent identity translation throughout the service lifecycle.
Data Source
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AI summary
Embodiments herein provide a method for identity management across multiple planes. The method includes receiving, by a MCPTT server, a first request message to establish a call between a first MCPTT client and the one or more second MCPTT client from a signaling plane entity. The first request message includes an application plane identity of the one or more second MCPTT client. Further, the method includes translating, at the MCPTT server, the application plane identity of the one or more second MCPTT client to a signaling plane identity of the one or more second MCPTT client. Furthermore, the method includes sending, by the MCPTT server, the one or more second request message including the signaling plane identity of the one or more second MCPTT client to the second MCPTT client for establishing the call via the signaling plane entity.