Alcatel-Lucent IMS Service Delivery Platform
Serving as one of the pillars in Alcatel-Lucent’s IP transformation strategy is the amalgamated IMS portfolios of the former Alcatel and former Lucent, which finalized their merger in early 2007.

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Ericsson IMS Portfolio
Ericsson’s IMS portfolio is threatening to the competition, as the company has assembled one of the most widely deployed and comprehensive solutions in the telecommunications industry.

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Huawei IMS Portfolio
Huawei’s IMS portfolio is threatening to the competition. Though the solution has received the least real-world scrutiny, its breadth and Huawei’s near-inexhaustible engineering and development resources make the portfolio a formidable challenger.

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Nokia Siemens Networks IMS Portfolio
NSN’s IMS portfolio is threatening to the competition, as the company has assembled a comprehensive and open collection of functional components

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• Sections
  
• - Solution Description
• - Solution Elements
• - Solution Strengths/Weaknesses
• - Point/Counterpoint
• - Key Selection Criteria
• - Go To Market

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• Solution Elements
  • Application Server: Generic SIP Application Server
    Open application environment designed for service creation and as host environment for the execution of SIP applications.
    
    Application Server: Hosted Multimedia Application Server
    Application server providing Class 5 and PBX-like advanced features, enabling carriers to offer IP Centrex services.
    
    Application Server: Telephony Application Server
    Application server providing traditional Class 5 features.
    
    Services Capabilities Interaction Manager (SCIM)
    Provides service orchestration between multiple applications and session control elements.
    
    Session Control
    Provides SIP Proxy and session control functionality. Includes Proxy-Call Session Control Function (P-CSCF), Interrogating-CSCF and Serving-CSCF. Session control is a fundamental component of any IMS deployment.
    
    HSS
    Provides AAA and subscriber management functions. An HSS is a fundamental component of any IMS deployment.
    
    Border Gateway Function
    Provides security and media services at network edge and peering points, includes Security Gateways, SBCs, IPX.
    
    Breakout Gateway Control Function (BGCF)
    Subsystem for handling SIP messages that need to breakout of IMS network, includes MGCF, Media Gateway and Signaling Gateway.
    
    Policy Control
    Describes mechanism for providing policy control and QoS assurances, includes PDF and RACS.

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• Key Selection Criteria
  • Application Strategy
    
    Border/Policy Control
    
    Depth of Portfolio
    
    Reliability
    
  • 
    IMS Breakout Solution
    
    Interoperability and Compatibility
    
    Service Convergence
    
    Session Control/Subscriber Management
    

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