IMS Network Element - MRF (MRFC+MRFP) Overview

IMS Network Element - MRF (MRFC+MRFP) Overview Study Note












The MRF is made of two functional blocks:
- MRFC: MRF Controller part
- MRFP: MRF Processor part

1). Between MRFC & MRFP:
- (Mp) H.248

2). Application interaction (through Mr)
- SIP-Based
- NETANN RFC4240
- MSCML
- AMSML (XML based)

3A). MRFC:
- Manages the availability of MRFP resources
- Hides to the AS for the MRFP resources
- A SIP proxy only involved into initial INVITE
- etc

3B). MRFP
- Interprets & processes the commands sent by the AS
- Manages the media stream
- Performs the media processing
- etc

MRF Features Supporting:
- Announcement playback Voice/video Recording
- DTMF user interactivity
- Conferencing
- Tromboning
- Announcements management
- VoiceXML scripts facility
- etc

Audio and Video Codecs
Supported: TBC later

Further Information: https://docs.google.com/fileview?id=F.12eb8edc-376f-4332-a95d-ead553c4b63f&hl=en

IMS Network Element - MRB Study Note

IMS Network Element - MRB Study Note

MRB Ovreview:
- Supply appropriate MRF (MS) information to consuming entities such as the AS.
- Collection of appropriate published MRF information
- Acquire knowledge of MS resources utilization and reservation requests
- Assign resources to services from a common sharing pool of Media Servers,
- Assign specific suitable MRF resource based on MRF attributes specified by the applications
- Employ methods/algorithms to determine MS resource assignment
- Performs load distribution and site management functions, as well as resource brokering

Deployment Arch:
- In-Line or
- Query Modes

Further Information: https://docs.google.com/fileview?id=F.a5edb08d-e202-41f5-80cc-7737c2b7328d