name: ATM
full_form: Asynchronous Transfer Mode
context: Point 5 above descends from the multi-streaming capabilities of SCTP. The eNB can map X2AP signaling for different HeNBs on different streams over the same SCTP association. The concentrator receives the messages, terminates the SCTP connection, and maps each message on a new SCTP association toward the appropriate HeNB according to the stream number used. Since there can be up to 65535 streams in an SCTP association, in principle it is possible to address a large number of HeNBs from the same eNB. The SCTP concentrator handles the appropriate switching between each stream number on the SCTP concentrator-macro eNB association and each HeNB-SCTP concentrator association (see Figure 6.2.3.4.4.1). This functionality is completely contained in the SCTP concentrator and only requires that the (H)eNBs map X2AP signaling to different peers, on different SCTP stream identifiers. Figure 6.2.3.4.4.1 Switching of SCTP streams into different SCTP associations by the SCTP concentrator.
description: Asynchronous Transfer Mode (ATM) is a telecommunications standard for supporting multiple types of traffic, including voice, video, and data communications. In the context of UTRAN migration from ATM to IP, ATM refers to the legacy technology being replaced or interworked with IP-based solutions.
explanation: The classification as Technology is based on the context where ATM is discussed in relation to its role in supporting multiple types of traffic and its position in the migration process from ATM to IP networks. The text highlights ATM's interaction with IP technologies, emphasizing its status as a distinct technology within telecommunications.
section_title: 6.10.1	General
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biotag_Description: B-Specification,I-Specification,I-Specification,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network,O,O,B-Specification,O,O,B-Specification,O,O,O,O,O,O,O,O,O,O,O,O