Daily Archives: 08/12/2014

VIDEO Cloud Labs. Office 365 PowerShell Basics

Published by:

Dan Patrascu-Baba

Partner Technical Consultant at Microsoft
Azure PaaS and dev consultant, working for Microsoft. Mostly dealing with Microsoft Azure services, ASP.Net Core, AngularJS, Javascript. Helping partners and customers to write good code and to architect their cloud and hybrid solutions.

 

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Azure Load Balancer, un nou mod de distributie a traficului

Published by:

Dan Patrascu-Baba

Partner Technical Consultant at Microsoft
Azure PaaS and dev consultant, working for Microsoft. Mostly dealing with Microsoft Azure services, ASP.Net Core, AngularJS, Javascript. Helping partners and customers to write good code and to architect their cloud and hybrid solutions.

Azure Load Balancer este un load balancer de layer 4 (TCP si UDP) care distribuie traficul catre instante functionale ale serviciului de cloud sau catre masini virtuale gazduite pe Azure si configurate intr-un load balancer set. Pentru cei mai putin familiariati cu retelistica, conform modelului OSI, layer 4 este layer-ul de transport, care ofera instrumente functionale si procedurale pentru transferul secventelor de date de la un emitator la un receptor.

Pana de curand, acest Azure Load Balancer folosea un algoritm ce continea 5 elmente fundamentale: IP-ul sursa, portul sursa, IP-ul de destinatie, portul de destinatie si protocolul folosit. Acest model avea anumite neajunsuri, in sensul ca daca se aplicatia din spate initia o sesiune noua, traficul era redirectionat, cel mai probabil, catre alta instanta decat cea folosita initial.  Continue reading