Multicast Proxy Bridging Domain Routing Protocols
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current technologies face challenges in implementing dynamic multicast routing between different network domains, especially in provider-user relationships, due to security risks and the complexity of managing inter-domain multicast routing, with existing devices often unable to handle dynamic routing protocols effectively, particularly when networks from multiple vendors are involved.
Innovation Solution
A multicast proxy apparatus that bridges domains by receiving client requests via a multicast access protocol, processing and transmitting multicast content using a multicast transmission protocol, allowing for routing of multicast content between user and provider networks without requiring coordinated routing between them, utilizing traditional host mechanisms and unicast messaging to manage requests and content distribution at the network edge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If dynamic multicast routing is implemented between domains, then multicast content distribution is enabled, but security risks and device complexity increase significantly
Solution Approach 1:
The patent introduces a border router as an intermediary device positioned at the domain boundary. This border router acts as a mediator that handles multicast routing protocol messages between domains, isolating the complexity of dynamic routing management from user networks while enabling multicast content distribution. The border router receives, processes, and forwards routing messages between provider and user domains without requiring direct interconnection or coordination between the domains.
2Productivity
If direct interconnection between provider and user networks is established for multicast routing, then routing efficiency is improved, but security risks increase
Solution Approach 1:
The border router serves as a security intermediary that enables efficient multicast routing while preventing direct exposure between provider and user networks. It processes routing protocol messages and forwards multicast traffic without requiring the user network to directly interconnect with the provider network, thus maintaining security while achieving routing efficiency.
Solution Approach 2:
The network architecture is segmented into distinct provider domain and user domain with the border router positioned at the boundary. This segmentation allows independent management of each domain while enabling controlled interaction for multicast routing, reducing security risks associated with direct interconnection.
3Adaptability or versatility
If proprietary devices with specialized functionality are deployed, then multicast routing capability is improved, but device compatibility and ease of operation decrease
Solution Approach 1:
The border router is designed with multi-functionality, serving both as a standard router for unicast traffic and as a specialized device for multicast routing protocol processing. It can handle multiple protocols (PIM-SM, IGMP, MOSP) and perform various functions including routing message processing, multicast traffic forwarding, and client request handling, making it compatible with diverse network environments while providing enhanced multicast routing capability.
Data Source
AI summary
An apparatus bridges a plurality of domains and routes multicast datastreams between them. The apparatus includes a receiver which receives a client request signal via a multicast access protocol from a user connected within a first domain. A transmitter requests multicast content using a multicast transmission protocol from a provider within a second domain. A processor processes the multicast content received from the provider. The transmitter relays the multicast content from the second domain to the first domain for access by the user.