The SDU Mobility team team is pleased to announce availability of the UMMT 3.0 System, the third architecture release targeting Next Generation Cell Site Backhaul (NGCSB). UMMT 3.0 builds upon the foundation delivered by UMMT 2.0 and 1.0, which introduced key technologies from Cisco’s Unified MPLS suite of technologies to deliver highly scalable and simple-to-operate MPLS-based IP RAN backhaul networks. For RAN backhaul of LTE services, operators are adopting MPLS over pure IP for two main reasons:
Unified MPLS resolves legacy challenges such as scaling MPLS to support tens of thousands of end nodes, which provides the required MPLS functionality on cost-effective platforms and the complexity of technologies like TE-FRR to meet transport SLAs.
Until UMMT, mobile network infrastructures have been composed of a mixture of many legacy technologies that have reached the end of their useful life. UMMT 3.0 continues to advance the UMMT baseline that provides the first integrated, tested, and validated mobile network architecture, to meet all the demands of legacy service transport, highly scaled any-to-any connectivity for LTE networks, and wireline service transport for residential and business service co-existence.
System Highlight | Details |
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New Unified MPLS Models | New models which extend the Labeled BGP control plane into the access domain, providing the highest scalability, plus wireline service co-existence. IPv6-enabled VPNs are supported for LTE service transport |
Enhanced Synchronization Distribution models and functionality | Scalability and resiliency for packet-based timing is greatly enhanced by the addition of IEEE 1588v2 Boundary Clock (BC) functionality in the access and aggregation domains. Hybrid Synchronization Model validated, combining Synchronous Ethernet and 1588v2 PTP to provide the highest accuracy for frequency, phase, and time-of-day distribution. |
End-to-end ATM and TDM circuit transport | ATM Circuit Emulation Pseudowires (PWs) provide transport for legacy 3G UMTS services, while TDM CEoPs provide transport for 2G services. PW redundancy is supported via backup PW functionality, and ATM/TDM circuit redundancy via Multi-Router Automated Protection System (MR-APS). |
New Network Availability Models | This release includes the most comprehensive resiliency functionality set to date, enabling UMMT to meet the 3GPP guidelines for LTE Real-TIme service transport:
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ME 3600X 24CX Platform | A new, fixed-configuration 2RU platform supporting Ethernet and TDM connections with 40Gbps bi-directional throughput. |
Cisco Prime | Network Management support with the Cisco PRIME NMS suite to provide network discovery and inventory management, service fulfillment, and network fault and performance monitoring. |
The UMMT 3.0 release is comprised of the following hardware platforms and corresponding software releases:
Architecture Role | Platform | Software Version |
---|---|---|
Core Node | CRS-3 | XR 4.2.1 |
Aggregation Node / Mobile Transport Gateway | ASR 9000 | XR 4.2.1 |
Pre-Aggregation Node | ASR 903 ME 3600X 24CX | XE 3.7 15.2(2)S1 |
Cell Site Gateway Node | ASR 901 | IOS-15.2(2)SNG |
A Design Guide for UMMT 3.0 may be found at the following link: https://communities.cisco.com/docs/DOC-30621. This document describes in detail the design methodology behind the UMMT system and functional considerations of the system architecture design.
For more information on the SDU UMMT System, please email ngcsb-info@cisco.com.
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