Informationgossip

A new way to store and analyze data    Hadoop, Why? Ø Need to process 100TB data sets. Ø Need Efficient, Reliable and Usable framework.      What Is Hadoop ?? Ø Hadoop was created by  Douglas Reed Cutting , who named haddop after his child’s stuffed elephant to support L ucene  and  Nutch  search engine projects. Ø Hadoop is a software framework for  distributed processing  of  large datasets  across  large clusters  of computers Ø Core Hadoop has two main systems:     –  Hadoop Distributed File System:  self-healing         high-bandwidth clustered storage.     –  MapReduce:  distributed fault-tolerant resource         management and scheduling coupled with a         sca...

5G 5G refers to the fifth generation of cellular wireless standards.5G is a packet switched wireless system with wide area coverage and high throughput5G wireless uses OFDM and millimeter wireless that enables data rate and Diff. frequency band of 2-8 GHz.5G is going to be a packet based network. EVOLUTION OF 1G-5G  Generation refers change in nature of Service compatible transmission technology and new frequency bands  1G systems used Analog frequency modulation. and 2G systems use Digital communication techniques with TDM, FDM, CDMA  3G systems offer higher data rates and voice and paging services to provide interactive multimedia including teleconferencing and internet access  4G aims to provide IP telephony, ultra-broadband Internet access gaming services 5G TECHNOLOGY OFFERS  World Wide Cellular Phones  Extra Ordinary Data Capabilities  High Connectivity  Bright Future Comparison on 1G-5G NETWORK LAYER IPV...

1. IT Architecture The main work of an It architect is to design and maintain computer networks. Basically architect use various Computer-aided Design (CAD) software and various networking tools for Design and implementation. Working of a router, adding new hubs and other updates to existing network are the things considered in IT architect job. It architect also take care of the budgetary needs of a network, scheduling technician assignment and upgrade cost estimation. He also takes meetings required for the quality analysis of a network performance. The job of an architect is to measure overall performance of all the areas in the IT(network,administrator,database etc.). 2. Database Administrator A Database Administrator is a person who manages the Database of a Company or a Organization. the main role of a DBA(Database Administrator) is to design a database, installation of a database,configuration of a database,managing capacity of a database etc. with the hel...