Multimedia Service Guide Decoupling via Service Identifier
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Solution Overview
Problem
Current multicast services face inefficiencies due to limited IPv4 protocol-based multicast network address resources, leading to frequent reallocation of multicast network addresses, which results in excessive network bandwidth usage as user equipment and multimedia service guide devices need to frequently communicate to update service guides and addresses.
Innovation Solution
Introducing a method where the multimedia service management device notifies a service identifier and service address to a network server, allowing user equipment to query the service address from the network server using the service identifier, reducing the need for frequent updates to multimedia service guides and minimizing network bandwidth usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multicast network address is reallocated frequently due to limited IPv4 resources, then resource utilization is improved, but network bandwidth is wasted due to frequent communication for updates
Solution Approach 1:
The patent introduces a service identifier as an intermediary that decouples the relationship between user equipment and multicast network addresses. User equipment communicates with the service identifier instead of directly with the multicast address, allowing the network management device to reallocate addresses without triggering update communications. This intermediary layer absorbs the complexity of address management while keeping the user equipment interface simple and stable.
2Reliability
If multimedia service guide device is updated frequently with new multicast addresses, then service accuracy is maintained, but communication overhead increases
Solution Approach 1:
The patent extracts the multicast network address information from the multimedia service guide device and stores it separately in the network management device. The service identifier becomes the primary key in the service guide, while the corresponding multicast address is maintained as separate mapping information. This extraction allows the service guide to remain stable and simple while the network management device handles address allocation and mapping independently.
3Reliability
If user equipment frequently queries multimedia service guide for address updates, then service continuity is ensured, but network bandwidth is consumed
Solution Approach 1:
The patent implements preliminary binding between service identifiers and multicast network addresses in the network management device before user equipment needs to access the service. When user equipment queries using the service identifier, the network management device already has the current address mapping ready to provide, eliminating the need for frequent update queries. This preliminary preparation ensures service continuity while minimizing communication overhead.
Data Source
AI summary
The invention provides a new solution for multimedia service guides, so as to aid the user equipment to receive multimedia service. The multimedia service management device notifies a service identifier and a service address of the multimedia service to a network server, and notifies the service identifier of the multimedia service to multimedia service guide device. Multimedia service guide device generates multimedia service guides comprising service identifier. After the user equipment obtains the multimedia service guides, it queries the network server for the service address corresponding to the multimedia service according to the service identifier comprised in the multimedia service guides, and obtains the multimedia service according to the service address.