What the Network Core Consists Of
SDM/HSS
Subscriber data management system
Centralized database of subscribers of the mobile operator’s network
Implementation of HLR, HSS, AuC and EIR functions in a single platform
Support for user authentication and subscription profile management
Integration with EPC elements, IMS subsystem and NSA 5G architecture
EMS
Element Management System
A unified management interface for adding, configuring, and monitoring all EPC elements
Provides a centralized entry point for element configuration, status monitoring, and subscriber data retrieval
Serves as a single system for displaying alarm events from network elements
Enables statistics and performance monitoring
Software installation is carried out by Telcore engineers at the customer's infrastructure
Packet Data Network Gateway
Telcore Packet Gateway provides subscriber connectivity to external data networks, management of user traffic, quality of service policies, and billing in mobile operator networks
up to ~40 Gbps per instance
Bandwidth
up to 10 mln. simultaneously
Number of sessions
S5/S8, SGi, Gx, Gy
Interfaces
< 5–10 ms
Response time
PGW ensures interaction between the core network and external networks (PDN) for user traffic exchange
Functions
Tunneling
(04)
User traffic transmission through tunnels within the packet core architecture
Policy and Charging Control (PCC)
(03)
Traffic management and quality of service policies, as well as support for charging mechanisms.
IP Address Assignment
(02)
Allocation and management of IP addresses for user devices during the attachment process
Traffic Routing
(01)
Transmission of user traffic between subscriber devices and external packet data networks
CUPS Architecture Support
(01)
Subscriber IP Address Assignment
(02)
- IPv4, IPv6, Dual Stack support
- Local address pool or DHCP-based allocation
PCEF Support
(03)
- Interaction with PCRF (Gx interface)
- Application of static policies
- Primary user traffic analysis (SPI)
- Integration with external DPI via RADIUS
Charging / Billing
(04)
- Offline — CDR generation and upload to billing system
- Online interaction with OCS (Gy interface)
Basic system functions
Bandwidth/Throughput
(01)
up to ~40 Gbps per virtual machine
Interfaces
(02)
S5/S8, SGi, Gx, Gy
Number of Sessions
(03)
up to 10 million simultaneously
Response Time
(04)
< 5–10 ms
Performance and reliability parameters
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Technical parameters
Operator Grade
(01)
Designed for operation in commercial networks with high loads and millions of subscribers
Flexible CUPS Architecture
(02)
Independent scaling of user and control planes
Compatibility with Operator Ecosystem
(03)
Integration with PCRF, OCS, DPI, and billing systems
Network Evolution Readiness
(04)
Support for IPv6, Dual Stack, and phased modernization scenarios
Virtualization
(05)
Implemented as a VNF for deployment on standard server infrastructure
Telcore PGW solution advantages
Serving Gateway
Key element of the packet core network, ensuring user traffic routing and subscriber mobility management within the LTE/4G network
SGW aggregates and routes user traffic between the access network (E-UTRAN) and the packet gateway (PGW) when subscribers are moving
Functions
Data Buffering
(04)
Performs temporary storage of user data when the subscriber device is in idle mode
User Plane Mobility
(03)
Ensures the continuity of user traffic transmission during handovers and changes in the network topology
Subscriber Mobility in the Access Network
(02)
Supports subscriber mobility when moving within networks based on 3GPP recommendations
User Traffic Forwarding
(01)
Ensures the transmission of data packets between base stations (eNodeB) and the PGW within the user plane
CUPS Architecture Support
(01)
Subscriber Session Management
(02)
Inter-eNodeB Handover Management
(03)
Inter-SGW Handover Support
(04)
S8 Interface Support for interaction with PGW from other networks (roaming)
(05)
Basic system functions
Integration
(01)
Possible with other packet core network elements
VNF
(02)
Possibility of deployment in a virtualized environment
Interfaces
(03)
S1-U, S5/S8/S11
Architecture
(04)
Modular and scalable
Performance and reliability parameters
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Technical parameters
SGW acts as a link between the radio access network and the packet gateway, ensuring data transmission continuity during subscriber movement
Reliable Mobility Handling
(01)
Ensures stable data transmission when subscribers move within the network
Deployment Flexibility
(02)
Support for various deployment scenarios — centralized and distributed
Compliance with Operator Requirements
(03)
The solution is designed for operation in commercial communication networks
Scalability
(04)
Architecture allows scaling the user plane independently from the control plane
Telcore SGW solution advantages
Commercial Mobile Network Operator
SGW is used as part of the packet network core to provide routing of user traffic and support subscriber mobility when moving between base stations, ensuring the continuity of data transmission services.
Use case
Mobility Management Entity
Key managing element of the LTE/4G packet core network, responsible for signaling, mobility management, and subscriber security
MME is a key element of the EPC control plane. It provides the processing of signaling between user equipment (UE) and the core network
Functions
Signaling Security
(04)
Ensures subscriber authentication and protection of control messages from interception or spoofing
Coordination of Core Network Operation
(03)
Acts as a unified signaling center, connecting the radio network with subscriber databases and gateways for the coordinated operation of all core elements
Session Management
(02)
Manages the full lifecycle of subscriber connections — from bearer activation to their modification and proper release of network resources
Mobility Management
(01)
Responsible for devices registration in the network, tracking their location, and seamless handover of subscribers between base stations
Basic system functions
Performance and reliability parameters
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Technical parameters
MME ensures proper user and session management, and interaction with other core elements when providing communication services
Reliable Mobility Management
(01)
Ensures stable network operation during subscriber movement and access point changes
Scalability Readiness
(02)
The architecture allows adapting the solution to subscriber base growth
Integration into Hybrid Networks
(03)
Supports the construction of modern EPC architectures as part of Telcore comprehensive solutions
Focus on Commercial Operation
(04)
Developed with consideration of mobile operator requirements
Telcore MME solution advantages
Subscribers
(01)
up to 2.5 million
VNF
(02)
Possibility of deployment in a virtualized environment
Integration
(03)
Possible with other packet core network elements
Interfaces
(04)
S1-MME, S6a, S11, S10
Architecture
(05)
Modular and scalable
Commercial Mobile Network Operator
MME is used as part of the packet core network to manage signaling, mobility, and subscriber security, ensuring the proper operation of communication services and interaction with other EPC network elements
Mobility Management
(01)
- Subscriber registration in the network
- Location tracking (TAU procedure)
- Handover (S1-AP) and subscriber paging
- MME Pool support
Subscriber Session Management
(02)
- Creation, modification, and deletion of sessions
- SGW/PGW selection
Security Management
(03)
- Subscriber authentication
- Encryption/decryption of NAS protocol messages
Integration with 2G/3G Networks
(04)
- CS Fallback support
- Emergency call support
Use case
Subscriber Data Management
SDM is a telecommunications operator’s subscriber data management system. The solution performs the functions of mobile network databases and ensures the storage of subscriber profiles, subscription parameters, and authentication data.
SDM provides data to core network elements for subscriber registration, device authentication, and provision of communication services, and is also used in 5G NSA architecture, where subscriber data management functions continue to be performed by EPC components
Functions
Subscriber Device Control
(04)
IMEI identity verification and equipment list management using EIR functions.
Support for LTE Networks, IMS Subsystem, and 5G NSA Architecture
(03)
Provision of subscriber profiles to EPC and IMS elements during user registration and session establishment.
User Authentication
(02)
Generation and provision of authentication vectors for network access procedures.
Subscriber Profile Management
(01)
Storage of network user data: IMSI, MSISDN, subscription parameters and authorized services.
Basic system functions
Performance and reliability parameters
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Technical parameters
Consolidation of Network Databases
(01)
Integration of HLR, HSS, AuC and EIR functions within a single system
Integration with Core Network Elements
(02)
Support for interaction with EPC and IMS components
Reliable Data Storage
(04)
Redundancy and fault tolerance mechanisms
Scalable Architecture
(03)
Ability to increase capacity as the subscriber base grows
Virtualization
(05)
Deployment on standard server infrastructure as a VNF
Telcore SDM solution advantages
HLR (Home Location Register)
(01)
database for subscribers in 2G/3G networks
HSS (Home Subscriber Server)
(02)
management of subscriber profiles in the LTE/EPC network
HSS для IMS
(04)
storage of IMS user profiles and interaction with subsystem elements via Cx/Dx interfaces
AuC (Authentication Center)
(03)
generation of subscriber authentication parameters
EIR (Equipment Identity Register)
(05)
control of subscriber device identities
The platform combines the functions of traditional network components
Number of Subscribers
(01)
up to 10 million subscriber profiles per instance
Interfaces
(02)
S6a, Cx/Dx, MAP, Diameter
Architecture
(03)
Modular and scalable
Integration
(04)
Interaction with EPC, IMS and OSS/BSS elements
Commercial Mobile Operator Network
SDM is used as part of the operator’s core network for centralized storage of subscriber data and subscription parameters.
The system provides data to EPC and IMS elements during subscriber registration, authentication procedures, and the provision of mobile and multimedia services.
In 5G NSA architecture, SDM continues to perform subscriber data management and user authentication functions within the EPC framework
The system provides data to EPC and IMS elements during subscriber registration, authentication procedures, and the provision of mobile and multimedia services.
In 5G NSA architecture, SDM continues to perform subscriber data management and user authentication functions within the EPC framework
Storage of Subscriber Profiles
(01)
- Maintenance of user data, service parameters, and network policies.
Support for Registration Procedures
(02)
- Provision of data to network elements during subscriber registration and connection establishment.
IMS User Profiles
(03)
- Storage of service profiles for the provision of multimedia services.
Generation of Authentication Parameters
(04)
- Generation of authentication vectors for network security procedures.
Equipment Identity Control
(05)
- Support for equipment lists and device status verification
Use case
Product advantages
Technological Excellence for Your Business
Developed without government funding
Compliant with Critical Information Infrastructure requirements, eliminating dependence on foreign software
Designed for operator-grade high loads
Optimized for cloud deployment and flexible scaling
Compatible with third-party core network and RAN equipment
5G-ready, compliant with 3GPP Rel. 15
Included in the Russian Software Register (No. 23 912 as of 09/06/2024)
5G SA and AI projects are developing in parallel
Migration to Cloud-Native Networks
(01)
Enables transition from legacy hardware platforms to cloud-based elements, reducing capital and operational expenditures
Compliant with Critical Information Infrastructure Requirements
(02)
Ensures the use of Russian equipment for Critical Information Infrastructure in accordance with Decree No. 166 "On Measures to Ensure Technological Independence and Security of Critical Infrastructure of the Russian Federation"
5G Ready
(03)
Provides a smooth and cost-effective transition for operators to fifth-generation networks
Fast scaling
(04)
Accelerates the deployment and scaling of network core elements as the load on the operator’s network increases
Clean Stack
(05)
Developed without the use of third-party components prohibited in the Russian Federation
Unified Management Interface
(06)
Simplifies configuration, management, monitoring, and reporting of core network elements through a single interface
Everything you need for efficient network operation
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