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Quick Guide to OSPF: Part 2. Redistributing External Network Routes into OSPF Network

Quick Guide to OSPF 1. Building Shortest Path Tree Topology ► 2. Redistributing External Network Routes into OSPF Network In the previous post, we explained the procedure of how routers create their network topology maps using Router-LSA messages in an OSPF network, and build the shortest path trees based on link costs. Below, we will see how OSPF routers learn the routing informat...

07/01/2015

39,538

Tech-Blog

Switching and Routing - Part 2. Packet Forwarding by IP Router

Switching and Routing 1. Switching and Routing for Dummies - Ethernet Switching 2. Switching and Routing for Dummies - IP Routing 3. Switching and Routing - Part 1. Router Architecture 4. Switching and Routing - Part 2. Packet Forwarding by IP Router 5. Switching and Routing - Part 3. L2 (Ethernet) Switching by L3 Switch 6. Switching...

06/18/2014

57,756

Tech-Blog

Eleven EMM Cases in an EMM Scenario

Table of Contents 1. Introduction 2. EPS Mobility Management (EMM) Scenario 3. Closing 1. Introduction This document and its subsequent documents will provide descriptions of specific EMM procedures based on our understanding of EMM and ECM/RRC states covered in our LTE technical document, “LTE EMM and ECM States” [1]. EMM features are explained in...

10/22/2013

88,335

Technical Documents

LTE and Beyond DL Throughput Comprehensive Calculations

We are pleased to share with you all an interesting article contributed by Mahmoud Ali who has 10 years of experience as Network, RF Planning and Optimization Team leader / Solutions Architect / Expert in GSM/UMTS/LTE. Mahmoud Ali LTE Team Leader/SME at AdvaComm All Articles by M...

02/01/2017

63,562

Tech-Blog

SK Telecom's Massive IoT Deployment through LoRa for Small Things

Netmanais Korean ICT Research Report SK Telecom's Massive IoT Deployment through LoRa for Small Things Price: $495 NOW FREE | Author: Netmanias | Length: 36 pages | Published: July 13 2016 ■ Executive Summary Since its LTE service launch in 2011, SK Telecom has posted higher ARPU and revenues thanks to an increase in LTE subscrip...

07/13/2016

41,858

Reports

Understanding the Basic Operations of DHCP

Table of Contents I. Introduction II. IP Address Allocation/Lease Procedure III. IP Address Renewal Procedure IV. IP Address Release Procedure V. Summary VI. Closing Appendix A - Format of DHCP Messages in IP Address Allocation/Lease Procedure Appendix B - Format of DHCP Messages in IP Address Renewal Procedure Appendix C - Format of DHCP Me...

10/23/2013

341,168

Technical Documents

Private 5G in Korea 2023

Private 5G spectrum has been available in South Korea since 2021, and since 2022, numerous organizations have begun to deploy private 5G networks for their digital transformation. In Korea, 48 sites have built the private 5G networks as of December 2023. The present status of private 5G network deployment in Korea, major applications, and private 5G network architecture are all examin...

01/03/2024

4,864

Reports

DISH Wireless Launches Virtual Open RAN 5G Network with Samsung

Samsung delivers an initial shipment of 24,000 5G radios, and the first Samsung-virtualized RAN-supported sites go live across the DISH Wireless Open RAN cloud-based 5G network Samsung Electronics and DISH Network Corporation (NYSE: DISH) launched Samsung-supported sites for the DISH Wireless 5G network, marking the beginning of Samsung's role in the operator's nation-wide rollout....

02/23/2023

1,146

Korea ICT News

Core Network Evolution - How CUPS changes the Call Flow?

Karim Rabie Senior PS Core / EPC Consultant at Saudi Telecom Company All Articles by Karim Rabie How to contribute your article to Netmanias.com ! List of Contributors...

04/02/2018

91,480

Technical Documents

The Making of a dollar by processing 10 MB (Platformers) Vs 100 MB (Telcos)

We are pleased to share with you all an interesting article contributed by Faiz Alam who is ICT & Sustainability Professional. Faiz Alam ICT & Sustainability Professional All Articles by Faiz Alam How t...

11/23/2017

12,410

Tech-Blog

An NFV and SDN Reader

We are pleased to share with you all an interesting article contributed by Prayson Pate. Prayson Pate Chief Technology Officer for Ensemble at ADVA Optical Networking All Articles by Prayson Pate How to contrib...

02/07/2017

18,107

Tech-Blog

SD-WAN 2.0: Building A Better SD-WAN

10/31/2016

21,204

Tech-Blog

KT IPTV (4K UHD) Service (4): 4K UHD VoD

KT IPTV (4K UHD) Service (1) UHD Live TV (2) 'Most Popular Channels Now' (9-Channel View) (3) 4-channel View (4) UHD VoD Success or failure of UHD service lies in how much UHD contents the service provided can offer. Being well aware of that, KT has gradually secured more contents, for example, through upscaling of Full HD movies to UHD quality (e.g. 'The Admiral: Roarin...

06/30/2015

35,551

Tech-Blog

LG U+ IPTV (U+ tv G 4K UHD) Services (2): 4K UHD VoD

LG U+'s IPTV service 1. Live TV 1.1 Basic channel 1.2 Multiview: operator-selected channels 1.3 Personalized Multiview: user-selected channels ► 2. VoD 2.1 UHD VoD: Encoding rate and streaming of 4K UHD VoD content LG U+ began UHD (3840x2160) VoD service in October 2014 (no UHD channel available yet, though). When it comes to UHD service,...

05/28/2015

52,978

Tech-Blog

World IT Show 2014: LG U+'s Gigabit Internet (LAN and FTTH) Networks - Architecture and...

LG U+ unveiled its gigabit Internet access network solution at the World IT Show 2014 held in Busan on October 20th. The new solution is said to be capable of supporting bidirectional Internet speed of 1 Gbps per user. Unlike its competitors, KT or SKB, the company offers LAN, FTTH and HFC services only, and not XDSL. At the show, LG U+ gave a demonstration of the technology and equipment...

10/29/2014

45,852

Tech-Blog

Switching and Routing - Part 3. L2 (Ethernet) Switching by L3 Switch

07/11/2014

94,411

Tech-Blog

EMM Procedure 1. Initial Attach - Part 2. Call Flow of Initial Attach

Table of Contents 1. Introduction 2. Initial Attach Procedure 2.1 IMSI Acquisition 2.2 Authentication 2.3 NAS Security Setup 2.4 Location Update 2.5 EPS Session Establishment 3. EPS Entity Information 3.1 Before Initial Attach 3.2 After Initial Attach 4. Closing 1. Introduction N...

01/16/2014

443,795

Technical Documents

YouTube, changing the way of delivering videos: Chunking and Adaptive Streaming are In,...

Recently, YouTube has changed/evolved the way it delivers video contents. It used to be a big fan of HTTP progressive download (downloading a video file by a single request just like downloading a data file) until last year. However, from this year, many efforts have been made by YouTube (e.g. switching to chunking and adaptive streaming) for improved video delivery. We will focus on "switching...

10/04/2013

66,727

Tech-Blog

LTE EMM and ECM States

Table of Contents 1. Introduction 2. EMM, ECM and RRC States 3. EMM State Transition 4. EMM Features 5. EMM User Information 6. Closing 1. Introduction Through the previous technical documents, we have studied the LTE network architecture and LTE identifications, the fundamentals of LTE technology, and LTE security operation required for a user to...

09/20/2013

266,672

Technical Documents

Real-world use cases of private 5G in South Korea - Investigated 31 cases

In South Korea, private 5G spectrum became available in late 2021, and private 5G networks have been deployed in various industries since 2022. Various digital transformation applications based on private 5G networks are emerging and we will summarize them. * The date the private 5G frequency was allocated by the Ministry of Science and ICT (MSIT). Enterprise...

01/18/2024

3,396

One-Shot Gallery

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