Hazelcast In-Memory Computing for Telecommunications

By deploying a cluster of Hazelcast® High-Density Memory Store nodes storing TBs of data in-memory, in parallel with a Hadoop cluster, telecommunications companies can achieve breakthrough in-memory speed for processing, analyzing and manipulating their data.

Hazelcast is also used for large scale messaging in telecommunications. Hazelcast has data structures such as Topics and Queues which deliver in-memory performance that scales out elastically on commodity hardware and virtual machines. Hazelcast is being used in telecommunications applications that range from mobile cell tower telemetry to network equipment monitoring and management to consumer mobile messaging.

Hazelcast has a great deal of flexibility and can deliver in-memory performance to web-based applications as well. The rapid adoption of Hazelcast in telecommunications is a testament to its ability to reliably and securely deliver the best in scale-out, price-performance.

Products in this Use Case:

Hazelcast IMDG

Learn More

Next Steps:

Contact Us

Selected Customers


AT&T, Inc. provides telecommunication services and products, including wireless communications, local exchange services, long-distance services, data/broadband and Internet services, video services, telecommunications equipment, managed networking and wholesale services. It operates business through four reportable segments: Wireless, Wireline, Security, and Other.

The Wireless segment operates comprehensive range of high-quality nationwide wireless voice and data communications services in a variety of pricing plans, including postpaid and prepaid service plans. It also sells handsets, wirelessly enabled computers and personal computer wireless data cards manufactured by various suppliers for use with voice and data services.

The Wireline segment provides both retail and wholesale communication services domestically and internationally. Its wireline services into three product-based categories: voice, data and other.

The Security segment includes business continuity and disaster recovery services as well as premise and network based security products.

The Other segment includes equipment, outsourcing, government-related services, customer information services and satellite video services.

The company was founded in 1876 and is headquartered in Dallas, TX.

Charter Communications, Inc.

Charter Communications, Inc. (NASDAQ:CHTR) is a leading broadband communications company and the second largest cable operator in the United States. Charter provides a full range of advanced residential broadband services, including Spectrum TV® programming, Spectrum Internet®, and Spectrum Voice®. Under the Spectrum Business® brand, Charter provides scalable, and cost-effective broadband communications solutions to small and medium-sized business organizations, including Internet access, business telephone, and TV services. Through the Spectrum Enterprise brand, Charter is a national provider of scalable, fiber- based technology solutions serving many of America’s largest businesses and communications service providers. Charter’s advertising sales and production services are sold under the Spectrum Reach® brand. Charter’s news and sports networks are operated under the Spectrum Networks brand. More information about Charter can be found at


We are a Global Operator built on an ecosystem of mobile operator networks. Offering seamless connectivity through our enabling infrastructure,we are the only mobile operator owned, funded and supported. We are an agnostic service provider of M2M and IoT solutions. With datacenters in multiple locations, our network is extensive, enabling us to provide connectivity for a wide range of devices and operators, while empowering a multitude of business models internationally.

Level 3 Communications

Level 3 Communications, Inc. (NYSE: LVLT) is a Fortune 500 company that provides local, national and global communications services to enterprise, government and carrier customers. Level 3’s comprehensive portfolio of secure,
managed solutions includes fiber and infrastructure solutions; IP-based voice and data communications; wide-area Ethernet services; video and content distribution; data center and cloud-based solutions. Level 3 serves customers in more than 500 markets in over 60 countries across a global services platform anchored by owned fiber networks on three continents and connected by extensive undersea facilities.

Navis – Reservations

As hospitality’s #1 reservation sales and marketing platform, we’ve been unleashing more performance and profit for more than 25 years.

Securus Technologies, Inc.

Securus Technologies connects family and friends to the incarcerated through superior communication services. As the largest inmate communications provider, we help maintain relationships between inmates and their family and friends through easy to use inmate calling options and video visitation from anywhere using Apple® or Android® smartphones, tablets or PCs.

Securus Technologies is headquartered in Dallas, Texas, and serves more than 3,400 public safety, law enforcement and corrections agencies and over 1.2 million inmates across North America.

Syniverse Technologies Asia Pacific Limited

Since 1987, Syniverse has become a global leader in mobile interoperability, mobile communications and mobile expertise.


With a footprint in more than 20 countries, 46,000 employees, and external revenue of 8.2 billion euros (2015), T-Systems is one of the world’s leading providers of information and communications technology (ICT).


TEOCO (The Employee Owned Company) is a leading provider of assurance and analytics solutions to communications service providers worldwide. By taming the glut of telecom network, operational and business data, TEOCO leverages its expertise and ‘big data’ and ‘real-time’ capabilities to analyze and optimize network and business performance. We help over 100 of the largest service providers around the world to run their businesses more efficiently and effectively by delivering solutions service providers require to remain competitive and profitable in rapidly evolving industry.

TEOCO is devoted to constant innovation. We are setting new standards in technology solutions, with a strategic emphasis on growing an organization that puts people and planning before profits. The core ethical values that were adopted when TEOCO was founded remain our guiding principles today. We take great pride in our work and in providing meaningful business results for our customers.

UXP Systems

UXP Systems is now the Digital Identity Division within Amdocs.


Verizon is one of the largest communication technology companies in the world. Every day, we connect millions of people, companies and communities with our powerful technology. We’re using our award-winning network to make breakthroughs in interactive entertainment, digital media, the Internet of Things and broadband services for customers. Whatever the future looks like, whatever the digital world promises, we will deliver.

West Corporation Nebraska

West develops technology-enabled communications that change the way we work and improve the way we live. We are pioneering new ways to interact, to engage, to execute business processes and transactions. We are a collective effort of enterprise and individuals, of communities and customers, of partnerships and families. We are the sum of our entire network – the result of brilliant ideas, dedication and the hard work of people who share our vision. We are at the core of a technology and communications engine that is changing the world. We connect. We deliver. We are West.