
Dialogic I-Gate 4000 Mobile Backhaul Session Bandwidth Optimizers
Cost-effectively and efficiently increase backhaul capacity
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Overview:
The Dialogic I-Gate 4000 Mobile Backhaul Session Bandwidth Optimizers (I-Gate 4000 MB SBO and I-Gate 4000 MBX SBO) are standalone systems that can optimize bandwidth and increase bandwidth capacity significantly in the backhaul segments of both 2G and 3G mobile networks. Because they optimize Abis and Iub data streams, including both ATM and IP-based Iub streams, the I-Gate 4000 MB or MBX SBO can provide a cost-effective and efficient strategy for increasing backhaul capacity, translating to significantly reduced capital and operation expenses. The I-Gate 4000 MB and MBX SBOs both offer several configurations and interface types, each of which has the same technical features.
I-Gate 4000 MB and MBX SBOs can also accept native IP and VoIP streams and transmit the combined optimized stream over TDM and/or IP. Along with Abis and Iub optimization, the I-Gate 4000 MB and MBX SBOs leverage statistical multiplexing and grooming techniques developed by Dialogic that have been shown in field trials to typically double the capacity of backhaul links while preserving the quality and integrity of the original data traffic through Quality of Service (QoS) protection techniques.
Efficient Mobile Backhaul Optimization
Both the I-Gate 4000 SBO MB and I-Gate 4000 SBO MBX can optimize bandwidth in the backhaul segments of both 2G (Abis) and 3G (Iub) streams (ATM and IP-based). In addition to Abis and Iub optimization, either one can also be used to simultaneously take in VoIP and IP streams, to optimize these streams, and to transmit the optimized stream over Ethernet and/or TDM. See Figure 1 for an example of a sample configuration. Because units are placed within the current physical backhaul segment, optimizing with an I-Gate 4000 MB or MBX SBO is not as disruptive or costly as other alternatives for increasing bandwidth capacity, such as adding expensive leased lines, deploying fiber, adding microwave spectrum, or moving to Ethernet ring. I-Gate 4000 MB and MBX SBOs can also be used in addition to other options for increasing bandwidth capacity, and can coexist with such other options.
Figure 1. Dialogic I-Gate 4000 Session Bandwidth Optimizer Mobile Backhaul in a Backhaul Segment on a Mobile Network
Key Performance Indicators
The I-Gate 4000 MB and MBX SBOs monitor and maintain Key Performance Indicators (KPI) by which mobile backhaul infrastructure performance is measured. These include delay, jitter, bit error rate, and availability. Adherence to prescribed KPIs is considered critical to maintaining high subscriber Quality of Experience (QoE) and to meeting Service Level Agreements (SLAs) for voice and data services.
Application Topologies
Both the I-Gate 4000 SBO MB and the I-Gate 4000 SBO MBX support a wide range of deployment strategies, including these topologies:
- Point to Point (PTP)
- Point to Multi-Point (PTMP)
- Drop and Continue
- Ring
- Data Offload
Deployments may consist of the I-Gate 4000 SBO MB, the I-Gate 4000 SBO MBX or a mixture of both depending on needs.
Dialogic XMS Management System
The Dialogic xMS Management System provides the network operator with an enhanced Fault, Configuration, Performance and Security management tool to manage a network of I-Gate 4000 MB and/or MBX SBO terminals.
The xMS provides an easy to use web-based interface with a logical step-by-step approach to provisioning and event handling. The xMS provides a rich set of reports for the operator, depicting the traffic and operational information of I-Gate 4000 MB and/or MBX SBO terminals. It also provides alarm and event handling mechanisms to help the operator troubleshoot the network and isolate faults. Runtime configuration provides the ability to change the working parameters of I-Gate 4000 MB and/or MBX SBOs without the need to reset the terminal and disrupt traffic. Figure 2 shows a snapshot of the configuration and bandwidth usage.
Figure 2. Dialogic XMS Management System Showing a Snapshot of the Configuration and Bandwidth Usage for a Dialogic I-Gate 4000 Mobile Backhaul Session Bandwidth Optimizer
Features and Benefits:
Features | Benefits |
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Leverage special bandwidth and IP packet rate optimization technologies developed by Dialogic, while preserving the quality and integrity of the original data traffic | Enables cost-effective optimization and increased capacity for mobile backhaul segments in 2G and 3G mobile networks |
Each uses unparalleled bandwidth optimization algorithms and techniques to optimize mobile backhaul data sessions | Reduces backhaul bandwidth usage by up to 50% without degrading original data sessions as shown in field trials |
Both combine high-quality payload optimization and QoS protection techniques | Can deliver substantial CAPEX and OPEX savings in 2G and 3G mobile backhaul segments |
Each supports multiple topologies, such as point to point, point to multi-point, drop and continue, data offload, and ring | Works with a wide range of mobile backhaul designs and topologies for effective optimization |
GUI-based management system with runtime reports showing traffic mix, comparative bandwidth, and QoS behavior | Enables ease of operation and supplies a snapshot of important statistics on demand |
99.9995% (“five-nines”) availability through a fully redundant 1 RU platform | Provides high reliability in a small footprint at the hardware, software, and network levels |
Supporting a wide range of transmission infrastructures | Can be used in terrestrial, satellite, and radio link installations, and over TDM or Ethernet links |
Specifications:
Technical Specifications | |||||||||||||||||
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Traffic Handling | |||||||||||||||||
Abis-over-TDM Traffic Optimization |
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Iub-over-ATM Traffic Optimization |
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Iub-over-IP Traffic Optimization |
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Abis-over-IP (Packetized Abis), Native IP and VoIP Optimization |
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Auto Detection | Automatic TRX allocation detection for Abis traffic and AAL for the ATM-based Iub traffic | ||||||||||||||||
Payload Aggregation |
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Traffic Congestion Control |
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Embedded Cross-Connect | Any-to-Any trunk DS0 channel For all configured DS0s | ||||||||||||||||
Pseudowire Emulation Edge-to-Edge (PWE3) |
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QoS Management |
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Jitter Buffer |
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Silence Suppression (for Abis traffic) | GSM-AMR, GSM 06.94 | ||||||||||||||||
Traffic Links | Supports: terrestrial links, microwave links, satellite links | ||||||||||||||||
Tunneling |
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QoS Protection |
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Mobile Network Interfaces Protocols | |||||||||||||||||
Abis Interface |
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Iub interface (ATM and IP based) |
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Gigabit Ethernet Ports | |||||||||||||||||
Interfaces |
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Connector |
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VLAN Tag |
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BVI Support | Supports BVI (Bridge Group Virtual Interface) | ||||||||||||||||
E1 Interface | |||||||||||||||||
Electrical characteristics | Complies with ITU-T Recommendation G.703 | ||||||||||||||||
Impedance | 120Ω balanced | ||||||||||||||||
Frame structure | Complies with ITU-T Recommendation G.704 | ||||||||||||||||
Line code | HDB3 | ||||||||||||||||
CRC-4 and E bit use | Configurable | ||||||||||||||||
Unframed format | Supported for PWE3 (SAToP) | ||||||||||||||||
Return loss | Complies with ITU-T Recommendation G.703 paragraph 6.3.3 and with ETSI ETS 300166 | ||||||||||||||||
STM-1 Interface -- Optical | |||||||||||||||||
Characteristics | ITU G.703, G.813, G.825, G.783, G.957 and Telcordia GR-253 | ||||||||||||||||
STM1 Frame | ITU G.707 | ||||||||||||||||
Line code | NRZ | ||||||||||||||||
STM1 Payload | 63 E1 (AU4) or 3x21 E1 (AU3) | ||||||||||||||||
Fiber optic coupling | Single Mode (1310 nm) | ||||||||||||||||
Receiver Maximum Input Optical Power | -7dB | ||||||||||||||||
Receiver Sensitivity | -29dB | ||||||||||||||||
Connector type | LC SFP S1.1.1310 nm | ||||||||||||||||
STM-1 Interface -- Electrical | |||||||||||||||||
Characteristics | ITU G.703, G.813, G.825, G.783, G.957 and Telcordia GR-253 | ||||||||||||||||
STM1 Frame | ITU G.707 | ||||||||||||||||
Line code | CMI | ||||||||||||||||
STM1 Payload | 63 E1 (AU4) or 3x21 E1 (AU3) | ||||||||||||||||
Connector type | SFP DIN 1.0/2.3 75 ohm according to CECC 22230 | ||||||||||||||||
Capacity | |||||||||||||||||
Abis-over-TDM Traffic |
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Iub-over-ATM Traffic |
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Iub-over-IP or Abis-ver-IPTraffic | Up to 200 Mbit/sec. | ||||||||||||||||
Redundancy and High Availability | |||||||||||||||||
Main Module |
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Power Supply |
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Power Feed | 2 independent power feed connections through main and redundant DCPS | ||||||||||||||||
Fan Tray |
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Ethernet Link Protection | 1:1 (based on ELET/EHET/SOIE/ELS4/OPHT/OPS4 ports redundancy modes) (Ethernet Link redundancy (link protection) is handled at the BVI level for a BVI associated with more than one Ethernet link) | ||||||||||||||||
Availability | 99.9995 % (five 9’s) | ||||||||||||||||
Additional High Availability Features |
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Temperature Control |
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Clock standards |
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Clock Source |
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Internal Timing Module |
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Power | |||||||||||||||||
DC voltage input |
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Max DC current | 7A | ||||||||||||||||
Max DC power consumption | 284W | ||||||||||||||||
Physical Characteristics | |||||||||||||||||
Dimensions for I Gate SBO MB |
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Dimensions for I Gate SBO MBX |
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Installation |
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Approvals, Compliance, and Warranty | |||||||||||||||||
Warranty | Call your local Dialogic sales representative |
Documentation:
Download the Dialogic I-Gate 4000 Mobile Backhaul Session Bandwidth Optimizers Datasheet (.PDF)