Light Reading
Intensive end-to-end test and measurement is essential to ensure the smooth rollout of new services like VoLTE.

Integrated Analytics Make or Break VoLTE Rollouts

Vivek Vadakkuppattu
7/14/2014
50%
50%

How does one ensure the smooth rollout of new, revolutionary, disruptive technologies such as VoLTE, especially when subscribers have high expectations for performance and reliability that evolved out of their experience with mature, legacy technologies?

Start with an old cliché: You can only manage what you can measure. However, most old clichés are grounded in truth and comprehensive, intensive, end-to-end measurement is the foundation for successful technology deployments. Reliable and repeatable performance test capabilities ensure that issues are caught and addressed before new technology is rolled out to end customers.

But for many reasons, this is not easy. As one example, during a VoLTE rollout, there are multiple new interactions which must be managed, including interactions between networks, devices, and the environment. Resolving problems to the appropriate domain and identifying root causes to the device, network, or interaction consumes considerable amounts of time and resources. By definition, innovative technologies are in their infancy and one should therefore expect that new issues appear frequently. Debugging can be quite complicated, often requiring systems engineering support which may create additional bottlenecks during rollout.

A new perspective on test is required. Two case studies highlight the value of device-network analytics. In both cases, the analysis focused on the device-network interaction which provided direct insight into the root cause of the issue.

Case Study 1: Video stalling issue

  • Test need: Pre-launch testing a new smartphone
  • Test application: Streaming YouTube
  • Symptom: Device under test (DUT) displayed inadequate performance when compared to the reference device.
  • Results: An analysis of device and network logs showed that not only was the DUT's YouTube performance worse, it was also signaling the network more. So, in essence, the device was delivering poor user performance and loading the network, i.e. the worst scenario for an operator. The TCP/IP settings on the DUT weren't optimal (for YouTube) thereby causing a TCP reset and a network reconnection.

Case Study 2: Chatty device

  • Test need: Pre-launch test of a new smartphone
  • Test requirements: Networks in which the device was being tested reported increased load on the network or network congestion though there were no signs at a device level
  • Symptoms: The field team was not able to see an issue since the throughput of the DUT was comparable to the throughput of the reference device
  • Results: Analysis of device and network logs showed immediately that while the two devices had similar (user) throughput, the DUT consumed twice as much network resource as the reference device to achieve the same throughput, thereby putting greater load on the network.

Clearly, isolated testing of either devices or networks is no longer sufficient to identify and troubleshoot performance issues. This problem will only grow as networks continue to become more complex. Rollouts of advanced features such as VoLTE will only go smoothly if the interaction of the device and networks while running the application is analyzed. Successful rollouts will require effective tools and integrated analytics for device network interaction will be essential.

— Vivek Vadakkuppattu, Director & Head, Analytics Business Unit, Azimuth Systems Inc.

(0)  | 
Comment  | 
Print  | 
Newest First  |  Oldest First  |  Threaded View
More Blogs from Column
Every component of the smart home ecosystem is changing, creating new opportunities -- and challenges -- for service providers.
Don't let new technologies and whizz-bang gadgets keep you from respecting those speaking to you and giving them the full attention they deserve.
Defining SDN realistically will help carriers cut through the hype, says Sunil Khandekar, CEO of Alcatel-Lucent's Nuage Networks.
They can go from also-rans to leaders -- if they don't mess up.
The benefits of SDN are hard to grasp because they're so big. But NFV provides a nice, finite-value proposition.
Flash Poll
LRTV Custom TV
Why SPs Should Consider Cisco's EPN

8|27|14   |   5:40   |   (0) comments


Sultan Dawood from Cisco discusses Cisco's EPN, which enables SPs to build agile and programmable networks delivering new network virtualized services using Cisco's Evolved Services Platform (ESP).
LRTV Huawei Video Resource Center
Huawei’s Showcase @ Big Telecom Event 2014

8|26|14   |   2.56   |   (0) comments


SoftCOM is Huawei's framework for telecom business and network transformation. Haofei Liu, Solution Marketing Manager, Carrier Business Group, Huawei, showcases Huawei's SoftCOM architecture in this video.
LRTV Huawei Video Resource Center
Huawei @ BTE 2014: Director of Integrated Solutions on SoftCOM & NFV Monetization

8|26|14   |   4.43   |   (0) comments


Libin Dai, Director of Integrated Solutions, Carrier Business Group, discusses Huawei's SoftCOM and NFV monetization. Huawei believes that NFV monetization should be service-driven rather than network-driven, and that operators should have network transformation, service transformation and a compatible and collaborative ecosystem in place in order to deploy NFV.
LRTV Huawei Video Resource Center
Huawei @ BTE 2014: Director of US NFV Lab on CloudEdge & the Future of NFV

8|26|14   |   4.06   |   (0) comments


Sean Chen, Director of US NFV Lab at Huawei, discusses Huawei's new approach to NFV in open collaboration. Huawei believes that through Proof of Concept tests, it could help operators learn and communicate with the industry more effectively. Sean believes that successful implementation of NFV should have its values reaching to end users and discusses how Huawei's ...
LRTV Huawei Video Resource Center
Huawei's Highlights @ Big Telecom Event 2014

8|26|14   |   3.34   |   (0) comments


At the Big Telecom Event in Chicago Huawei showcases its high-level strategy, the SoftCOM architecture, which helps operators reduce the cost of ownership of their network infrastructure and generate additional revenue in the ICT service environment. Huawei showcases over 30 pilot programs from across the globe, focusing on the industry-leading commercial ...
LRTV Custom TV
VeEX – Live from the Show

8|21|14   |   5:58   |   (0) comments


An overview of VeEX Test and Measurement solutions including TX300S multi-service test set with VeExpress cloud-based management system, UX400 universal modular platform supporting 100G testing, and the redesigned RXT modular platform.
LRTV Custom TV
Transitioning CE 2.0 Networks Into the SDN & NFV Era With Telco Systems

8|19|14   |   5:19   |   (0) comments


Telco Systems' Ariel Efrati (CEO) and Moshe Shimon (VP of Product Management) discuss virtualization and how the company's new Open Metro Edge solution utilizes the SDN and NFV concepts to accelerate and orchestrate service delivery through its innovative product portfolio and software applications.
LRTV Custom TV
NFV Myths: Is NFV Still Several Years Away?

8|11|14   |   1:13   |   (0) comments


Some say that NFV (network functions virtualization) is still several years away from being implemented on mobile operator networks. This isn't the case. Operators can get started on their paths to NFV now, as this short video from Skyfire shows.
LRTV Custom TV
A New Security Paradigm in SDN/NFV

7|28|14   |   02:54   |   (0) comments


Paul Shaneck, Global Director Network Solutions for Symantec, discusses the evolving virtualized network, explaining how Symantec is leading the security discussion as it relates to SDN and NFV, and helping to ensure the network is protected and compliant.
LRTV Documentaries
Sprint's Network Evolution

7|24|14   |   14:59   |   (0) comments


Sprint's Jay Bluhm gives a keynote speech at the Big Telecom Event (BTE) about Sprint's network and services evolution strategy, including Spark.
LRTV Documentaries
BTE Keynote: The Software-Defined Operator

7|24|14   |   18:43   |   (1) comment


Deutsche Telekom's Axel Clauberg explains the concept of the software-defined operator to the Big Telecom Event (BTE) crowd.
Light Reedy
Numbers Are In: LR's 2014 Salary Survey

7|24|14   |   1:25   |   (7) comments


Our fourth annual Salary Survey paints a picture of who's hiring, firing, earning, and yearning for a change in the telecom industry.
Upcoming Live Events!!
September 16, 2014, Santa Clara, CA
September 16, 2014, Santa Clara, CA
September 23, 2014, Denver, CO
October 29, 2014, New York City
November 6, 2014, Santa Clara
November 11, 2014, Atlanta, GA
December 9-10, 2014, Reykjavik, Iceland
June 9-10, 2015, Chicago, IL
Infographics
Hot Topics
Comcast Streams Back to School
Mari Silbey, Independent Technology Editor, 8/21/2014
Level 3 Does Big Data Differently
Carol Wilson, Editor-at-large, 8/21/2014
T-Mobile: Small Cells? We're Dense Already
Dan Jones, Mobile Editor, 8/22/2014
Verizon Launches QR Code Security Solution
Carol Wilson, Editor-at-large, 8/26/2014
Utilities to Pump $11.2B Into Smart Grid – Study
Jason Meyers, Senior Editor, Utility Communications/IoT, 8/26/2014
Like Us on Facebook
Twitter Feed