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OS Project Presentation

OS Project Presentation. 9f. IMS Implementation on CBE. Team Members. Bhupesh Bhargava(MT2009017) Rohan Meegada(MT2009083) Lokeswarareddy Naredla(MT2009096) Tejaswini.S.B(MT2009127) Rushabh Vakharia(MT2009155). IMS Architecture. SLR(Source Location Register). Application Server.

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OS Project Presentation

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  1. OS Project Presentation 9f. IMS Implementation on CBE

  2. Team Members Bhupesh Bhargava(MT2009017) Rohan Meegada(MT2009083) Lokeswarareddy Naredla(MT2009096) Tejaswini.S.B(MT2009127) Rushabh Vakharia(MT2009155)

  3. IMS Architecture

  4. SLR(Source Location Register) Application Server Sh interface Dx Interface Dx Interface HSS Cx Interface Cx Interface I-CSCF S-CSCF Mw Interface Mw Interface Mw Interface P-CSCF SIP Packets UA(User Agent) UA(User Agent)

  5. An Example of UA(user agents) • Suppose a user wants to communicate • It sends a SIP register request to P-CSCF, it routes the request to another Proxy server I-CSCF • It is always located in the Home Domain of the user. I-CSCF consults the database of the user in HSS in order to choose the registrar which will process the request of the UA • After getting the information the I-CSCF then routes the request to the appropriate registrar (S-CSCF) that will serve the UA

  6. Conti… • The S-CSCF also requires the Subscriber's profile to serve it, so it will again contact the HSS to gain that information • If a network contains more than one HSS the use of SLF(Subscription location Function) is done. • The I-CSCF and S-CSCF communicates with the SLR using the DxInterface of Diameter protocol

  7. Conti.. • A header can be added in the SIP packet at the I-CSCF, this header contains the user information about the HSS address. • This prevents the S-CSCF to again access the HSS. The S-CSCF can use this information from the header and then discard the header

  8. CBE Architecture

  9. SPE EIB (96 Bytes/cycle) SPE BIC Memory SPU0 ° ° ° LS IIC SPE L1 PPE MFC I/O MIC MMU L2 RMT Cell Broadband Engine Architecture

  10. PowerPC Processor Element • General-purpose Processing units that can access system management resources. • Primary function is management and allocation of tasks for the SPEs in a system.

  11. Synergistic Processor Unit • Purpose is to enable applications that require a higher computational density and can effectively use the provided instruction set. • Each SPU has dedicated Local Storage(LS), dedicated Memory Flow Controller(MFC) associated with MMU and Resource Management Table(RMT).

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