| 摘要 |
In a telecommunications system where a node has to send a message through a packet switched network which is of a length greater than the maximum packet size, the message is divided into smaller packets which are sent individually through the network. The packets may be sent by what is known as a connectionless service where each packet is treated independently. It is proposed that the packets are sent by a method of transmitting variable length messages on a telecommunications network from a source to a destination via an ATM or DQDB switch in fixed length cells or slots which include a header field and a payload field wherein the method includes providing a segment type field, a sequence number field and a message indentifier field in the payload field and wherein the routing information is obtained without use of the Virtual Path or Circuit Identifiers.
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