Sunday, April 8, 2018

CUPS: Control User Plane Separation


Telco’s user data traffic is getting doubled every year due to the proliferation of OTT video, social media, gaming and use of smart devices. This exponential growth in the mobile traffic has led lot of architectural changes which are aligned to SDN and NFV technology. At the same time OTTs are taking advantage because Telco’s are building network and serving 70% of OTT traffic only. At the same time, there is strong demand of serving OTT traffic with low latency, high throughput and best customer experience.

To serve all these requirements, Telco’s has to penetrate deeper and deeper in the region and create more EPC locations which means number of new users are not increasing as compare to the traffic demands.

Below is the current network architecture of LTE


During the launch of LTE, this was the best in breed architecture but as the traffic demands grow the intermediator or inline nodes are becoming bottle neck and creating head of Line blocking. CUPS - Control Plane User Plane Separation solves the issue and gave a new architecture approach which is easy to implement and leverages the SDN and NFV technologies so that all the SLA’s and KPI’s can be met.


In nutshell, CUPS allows for:
1. Reducing latency on applications and OTT/Video traffic.
2. Leveraging SDN to deliver Data Plane more efficiently and better scaling in Control Plane.
3. Supporting Increase of Data Traffic, by enabling to add user plane nodes without changing the number of SGW-C, PGW-C and TDF-C in the network.


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Saturday, April 7, 2018

Network Slicing in 5G


Network slicing is a kind of virtual network architecture, which leverages the principles behind network functions virtualization (NFV) and software-defined networking (SDN). Network slicing allows telecom operators to slice a physical network into multiple virtual networks. From a mobile operator’s point of view, a network slice is an independent end-to-end logical network that runs on a shared physical infrastructure, capable of providing a negotiated service quality. The technology enabling network slicing is transparent to business customers. The virtual networks are then tailored to meet the needs of specific applications and services.

SDN and NFV will play vital role in network slicing. NFV provides the network functions like routing, firewall, load balancer etc. disaggregate from the dedicated OEM appliance and can be host on COTS hardware. The OEM dependency on supplying hardware, elasticity and faster time to market is the key to leverage NFV. SDN on the other hand is use to manage the network flows from the centralized controller sitting in data centers. The main role of the SDN is to provide on demand services without any kind of manual intervention.

5G is all about of providing connectivity to massive IOT devices (Industrial Slice or IOT Slicing), enhance Mobile Broadband for AI, ML and handling Video Traffic (Smartphone Slice) and providing access to low latency devices like Cars (Autonomous Driving Slice).

Network slicing will heavily be used in 5G networks to permit business customers to enjoy seamless connectivity and data processing tailored to the specific business requirements that adhere to a Service Level Agreement (SLA) agreed with the mobile operator. The customizable network capabilities include data speed, quality, latency, reliability, security, and services.

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Thursday, April 5, 2018

BlockChain For Telecommuniations


OpenCT is disrupting the telecommunications industry via its twofold go-to-market approach. The company is positioned to be an innovative and transparent telecommunications provider within the blockchain ecosystem. OpenCT is also building a scalable, high-performance platform that provides the stability and reliability from which transformative blockchain-based applications can be designed to solve industry-specific challenges.


The OpenCT platform is based on a hybrid blockchain model, meaning it is both public and private, allowing for a diverse range of adoption, users, and clients. OpenCT's custom-developed mining algorithm is called Proof of Duration (PoD). When used in combination with Proof of Stake (PoS), it grants miners the benefit of a far faster, more democratic, and energy efficient approach. The OpenCT Token (OCT) fuels the interactions of the telecommunications-specific blockchain. OCT acts as a service enabler which clients of the platform can use to unlock and enjoy any service offered over the platform. Most importantly, with the smart technology being used to power the OpenCT platform, the block production rate works at an exceptionally fast rate of 100,000 Transactions Per Second (TPS).

In addition to launching the OpenCT platform, the company is also introducing two inaugural applications that work to address significant telco service pain points:
Blockchain as a Transport (BaaT): BaaT is a leading network technology that is well-positioned to become the transport service of choice for all businesses because of its highly secure and cost-effective ability to leverage the Internet by breaking down barriers that have limited popular services to a single data center, a single autonomous system, or a single carrier.

Blockchain-Defined Wide Area Networks (BD-WAN): BD-WAN will have the unique ability to establish and tear-down logical and physical circuits of any capacity, seamlessly and transparently, thereby enabling real-time billing based solely on bandwidth usage.

"Throughout the world, data transmission, digital communication and the transferring of data from point A to point B are key functions and the lifeline that gives most, if not all, businesses and industries the ability to prosper and exist," comments Mayande Walker, Chief Operating Officer of OpenCT. "OpenCT will provide a new process, innovate conveyance and offer an effective solution to those who have challenges with costly connectivity giving the entire telco community an option for secure, peer-to-peer financial transactions without the use of any third party or financial institutions."

OpenCT (https://www.openct.io/) is taking blockchain to new heights, ensuring the adoption of this industry disrupting solution is fully supportive of service providers, enterprises and carriers alike.


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