1 / 11

“Giving Voice to 4G” 

Option 2. Intro Title Page. “Giving Voice to 4G” . Gartner Dataquest. Akshay Sharma Research Director Feb. 2009. Panel. Akshay Sharma (Moderator) Research Director - Carrier Network Infrastructure, Converged Infrastructure Gartner Kevin Mitchell Director, Solutions Marketing Acme Packet

lucian
Télécharger la présentation

“Giving Voice to 4G” 

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Option 2. Intro Title Page “Giving Voice to 4G”  Gartner Dataquest Akshay Sharma Research Director Feb. 2009

  2. Panel Akshay Sharma (Moderator)Research Director - Carrier Network Infrastructure, Converged InfrastructureGartner Kevin MitchellDirector, Solutions MarketingAcme Packet Jeff ThompsonCEOTowerstream Payam MaveddatVice President of PLM and MarketingMavenir Systems, Inc.

  3. Comments In the US: both AT&T and Verizon own parts of the 700 Mhz spectrum and have committed to LTE. According to: http://www.dailywireless.org/2008/12/10/verizon-lte-next-year/ Verizon will deploy a Femtocell LTE trial by year end, “We expect that LTE will actually be in service somewhere here in the U.S. probably this time next year,” said Dick Lynch, executive vice president and chief technology officer of Verizon Communications “ CLEAR – Xohm – ClearWire: VoIP over WiMAX Light Reading - VOIP - Clearwire Breaks Into VOIP Market - Telecom ... Jan 22, 2008 ... Using Nortel servers, Clearwire is now offering VOIP services over its own network infrastructure.www.lightreading.com/document.asp?doc_id=143670

  4. Issues with VoIP over Mobile WiMAX? • Mobile WiMAX supports a Break-then-Make handoff approach. Make-Before-Break is optional • QoS metrics are granular. SLA, Quality of Experience metrics at the end-2-end App-level needed • Inter-ASN roaming needs definition • What about roaming across Carrier-managed Spectrum and Enterprise-managed Unlicensed Spectrum ? • Devices ? Now Nortel, ALU have slowed R&D • Coverage / Capacity / etc.

  5. But VoIP over Fixed WiMAX is Good

  6. VoIP IMS ?

  7. SubscriberData SubscriberData SubscriberData SubscriberData AS AS AS AS Verizon IMS Architecture … Shared Billing Services Shared Media Resources Policy and QoS Control Access Network #1 Network Policy Service Orchestration Decomposed Access Functions Decomposed Access Functions Session Management UE VoIP PeeringPartner’s Network Verizon IP/MPLSNetwork UE Network Routing SubscriberData Access Network #2 Transit Routing Subscribersto VerizonIMS-basedServices IMS “Core” Decomposed Access Functions MGCF IM-MGW IM-MGW PSTN Wholesale Customers

  8. Newer Opportunities for LTE and IMS LTE has functions such as: The MME (Mobility Management Entity) supporting intra-RAN mobility and handovers. IMS supports the VCC supporting seamless handoffs across access methods such as WiFi, 2G, 3G, and fixed access.  with likely sporadic LTE deployments, the IMS VCC supporting seamless handoffs to WiFi, 2G, and 3G radio access networks is likely required

  9. Newer Opportunities for LTE and IMS LTE has functions such as: LTE has defined the Serving Gateway (S-GW) and the PDN Gateway (P-GW). The S-GW and P-GW are core network functions for the LTE Radio Access Network based access. They both act as the Policy Enforcement Points (PEP) for dynamic QoS and policies. IMS supports a Policy Decision Function (PDF) which can be within the CSCF that manages the QoS over the media plane, whereby IMS supports the Common Open Policy Service (COPS) protocol for policy control over Quality of Service (QoS) signaling protocols. LTE supports both the S-GW and P-GW having Diameter interfaces to control the Policy and Charging Enforcement Function (PCEF) within the S-GW and P-GW functions. IMS supports the Diameter interface as well.

  10. Newer Opportunities for LTE/WiMAX and IMS LTE/WiMAX will require regulatory features such as Legal Intercept and Emergency Services for multimedia in both the wireless and wireline space, along with Mobile IP solutions (Foreign Agent and Home Agent) LTE/WiMAX will require carrier hosted solutions that promise future convergence with VoIP, IPTV, with Presence and Location-based services, which IMS: IP Multimedia Subsystems coupled with applications servers can provide. Additionally LTE/WiMAX will require the following which are provided by IMS applications servers: ENUM User authentication Peer-to-peer video sharing Voice call continuity to alternate access methods Push to talk Rich Communication Suite

  11. Panel Questions • What are the architecture and infrastructure choices for incumbent and greenfield mobile operators for voice services? • Where should service providers locate session-oriented service delivery intelligence and control—in the core or the edge? What’s right and wrong about each approach? • What are the requirements for secure and interoperable wireless services? Does IMS deliver all that's necessary? What additional issues must be considered for FMC and blended wireless-wireline access networks? • What are the optimal technology choices relative to product availability, cost, functionality and scalability in terms of performance and capacity?

More Related