Author Archives: niau

За гащите, ЦИК, хакерите и безпрецедентните DDOS атаки

Posted on October 25, 2015 by niau

Както се казва ЦИК, Държавата и Информационно обслужване ги одрусаха. Това не се случва за пръв път – да си припомним случая със системата за детските градини. Сигурно има и други само дето аз не ги знам. Та DDOSа било … Continue reading →

Posted in IT sector in Bulgaria | 1 Comment

With sufficient trust obviously pigs still fly so well…

Posted on October 24, 2015 by niau

When somebody asks you to do something :) that you feel is rather stupid with an unnecessary level of complexity come back to the basics read this and remember what Randy stated :)  He loves flying pigs and he was … Continue reading →

Posted in Remeber the Guy | Tagged , , , , , | Leave a comment

За ограничения и неограничения мобилен Интернет в България

Posted on June 18, 2015 by niau

Тия дни докато се рових из разни форуми за IPv6 вниманието ми бе привлечено от необичаен пост  “AT&T just got hit with a $100 million fine after slowing down its ‘unlimited’ data” и ако се зачетем по надолу “Federal Communications … Continue reading →

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OpenStack training in Bulgaria

Posted on April 9, 2015 by niau

OpenStack is the most fast progressing Cloud technology stack at the moment. It has 10 releases for 5 years and at the moment it is defacto the standard in Infrastructure as a Service cloud technology. Currently OpenStack has more than … Continue reading →

Posted in CLOUD, Network Architecture Evolution, OPENSTACK, SDN | Tagged , , | Leave a comment

Студио Проекти в НБУ

Posted on December 7, 2014 by niau

 Абстракт Студио проектите са нов елемент от образованието на студентите от инженерните специалности в Нов Български Университет. Основната им идея е студентите да се научат да работят в екип по реални проекти, поставени от външни заинтересовани лица, от водещи компании … Continue reading →

Posted in Architectures for Software Systems, IT sector in Bulgaria | Tagged , , , , , , | Leave a comment

DDOS, RTBH and Self-Protection

Posted on September 18, 2014 by niau

A month ago ESI center asked me for a kind of cool 1 day  security oriented training course that has to bridge the gap between networking and software and to be different from everything else on the market. So ready, … Continue reading →

Posted in Architectures for Software Systems, IT sector in Bulgaria | Tagged , , | 2 Comments

ICT Summer School@NBU Poster and Logo

Posted on June 2, 2014 by niau

Thanks to Martin Ormanliev from WT_ Design the ICT summer school have a brand new logo and our first official course got a poster :)

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Dealing with IPv6 and Cisco IOU (IOS on Unix)

Posted on April 17, 2014 by niau

Recently I had the following issue with getting working IPv6 on Cisco IOU. R1#sh ipv6 int e0/0 Ethernet0/0 is up, line protocol is up IPv6 is stalled, link-local address is FE80::C00:FF:FE00:6500 [DUP] No Virtual link-local address(es): Global unicast address(es): 2001:470:1F0B:ABD::10, … Continue reading →

Posted in IPv4 to IPv6 network transformation | Tagged , , | 2 Comments

Курсове към програма Мрежово инженерство, деп. Телекомуникации на НБУ

Posted on April 5, 2014 by niau

Въведение Представям кратък обзор на курсовете, които съм предложил към програма мрежово инженерство на деп.  Телекомуникации.  Програмата ще започне от следващата учебна година (2014/2015). Основната ѝ цел е да даде добри изходните перспективи за намиране на работа в България на завършилите … Continue reading →

Posted in IPv4 to IPv6 network transformation, MPLS Core Networks, Network Architecture Evolution, NGN Backbone Networks | Tagged , , , , , | 14 Comments

An approach and a tool for IP network state-to-state transformation

Posted on March 23, 2014 by niau

Abstract— The article presents an approach and a tool for network state-to-state transformation. Each network has a state. The state could be formalized into an architectural graph data model that contains network nodes, edges and key metadata. The state-to-state transformation … Continue reading →

Posted in IPv4 to IPv6 network transformation, Network Architecture Evolution, OSS/BSS | Tagged , , | Leave a comment