| 摘要 |
Communication apparatus is disclosed comprising a network of interconnected components 200-250 having a fixed network portion and at least one wireless network portion, a communication route between a source terminal and a destination terminal being configurable through the network via at least some of the components and a route and location manager 100 arranged to calculate at least one said route, the manager having database means 110, 120 including route-relevant information of the fixed network portion and of the or each wireless network portion. Methods of calculating and modifying multicast routes using the apparatus are also disclosed.
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