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ATM adaptation layer. The use of Asynchronous Transfer Mode (ATM) technology and services creates the need for an adaptation layer in order to support information transfer protocols, which are not based on ATM. This adaptation layer defines how to segment higher-layer packets into cells and the reassembly of these packets.
Asynchronous Transfer Mode. Asynchronous Transfer Mode (ATM) is a telecommunications standard defined by the American National Standards Institute and International Telecommunication Union Telecommunication Standardization Sector (ITU-T, formerly CCITT) for digital transmission of multiple types of traffic. ATM was developed to meet the needs ...
ATM Adaptation Layer 2 (AAL2) is an Asynchronous Transfer Mode (ATM) adaptation layer, used primarily in telecommunications; for example, it is used for the Iu interfaces in the Universal Mobile Telecommunications System, and is also used for transporting digital voice. The standard specifications related to AAL2 are ITU standards I.363.2 and ...
ATM Adaptation Layer 5. ATM Adaptation Layer 5 (AAL5) is an ATM adaptation layer used to send variable-length packets up to 65,535 octets in size across an Asynchronous Transfer Mode (ATM) network. Unlike most network frames, which place control information in the header, AAL5 places control information in an 8-octet trailer at the end of the ...
TDM over IP. In computer networking and telecommunications, TDM over IP (TDMoIP) is the emulation of time-division multiplexing (TDM) over a packet-switched network (PSN). TDM refers to a T1, E1, T3 or E3 signal, while the PSN is based either on IP or MPLS or on raw Ethernet. A related technology is circuit emulation, which enables transport of ...
It flexibly converted the PDH DS1 signal into Asynchronous Transfer Mode cells. The AAL1gator was principally designed by the Network Synthesis CEO, Brian Holden and a consultant, Ed Lennox. Brian Holden was also involved in the ATM Forum standardization effort for the Circuit Emulation Service. Additional design efforts came from Andy ...
Voice over Asynchronous Transfer Mode ( VoATM) is a data protocol used to transport packetized voice signals over an Asynchronous Transfer Mode (ATM) network. [1] In ATM, the voice traffic is encapsulated using AAL1/AAL2 ATM packets. [2] VoATM over DSL is a similar service, which is used to carry packetized voice signals over a DSL connection.
IDT 77155, a 155 Mbit/s ATM SAR controller chip. Segmentation and reassembly ( SAR) is the process used to fragment and reassemble variable length packets into fixed length cells so as to allow them to be transported across Asynchronous Transfer Mode (ATM) networks or other cell based infrastructures. Since ATM's payload is only 48 bytes ...