Reading Time: 6 minutesRiporto questo articolo in italiano di Ivan Renesto, Enterprise Field Marketing Manager di Dell con alcuni interessanti spunti sull’evoluzione del mondo del networking.
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Reading Time: < 1 minuteEnterprise Networking Planet ha stilato la sua lista compiled dei 10 top networking expert (vedere il post: Enterprise Networking Planet’s Top 10 Networking Experts You Need to Follow). Questa è la riga che mi riguarda: 9. Andrea Mauro (@Andrea_Mauro) has been working with Assyrus Srl, an Italian IT company that specializes in networking, security, virtualization and consulting, since 2000. He holds numerous certifications and is a systems administrator on Linux and Windows OS. Here are Audrea’s insights on a couple of trending topics for 2013. Networking security: “Network security is still a big challenge and […]
Reading Time: < 1 minuteQuesto post include alcuni link utili realitivi al mio intervento, al Windows Server Conference 2012, WS14: Windows Server 2012 IP e Networking news. Network tuning and offload Performance Tuning Guidelines for Windows Server 2012 (DOC) Network Subsystem Performance Tuning Networking Adapter Performance Guidelines (on Windows Server 2008 R2, but still good) Specific technologies Registered I/O Networking Extensions (RIO): Microsoft site, alternative site Virtual Machine Queue (VMQ) IPsec Task Offload Single Root I/O Virtualization (SR-IOV): Overview of Single Root I/O Virtualization (SR-IOV), What is SR-IOV? (Scott Lowe’s Blog), PCI SIG Specifications Windows Server 2012 Hyper-V & Data […]
Reading Time: 2 minutesDopo l’annuncio della possibile acquisizione di DynamicOps, VMware annuncia l’acquisizione di Nicira Inc., azienda specializzata nel Software-Defined Networking (SDN) e leader nella virtualizzazione network Open Source. L’accordo, del valore di oltre un miliardo, consentirà a VMware di accrescere il proprio portfolio di soluzioni per il networking, supportando le aziende nell’adozione di data center software-defined, quale base fondamentale per la transazione verso il cloud computing. A conferma della continua crescita, VMware contestualmente comunica i risultati finanziari del secondo trimestre 2012: Ricavi per 1,12 miliardi di dollari con una crescita del 22% rispetto allo stesso periodo del […]
Reading Time: 2 minutesCome già discusso nei precendenti post, nella sezione fabric di System Center VMM 2012 è possibile includere e gestire vari dispositivi, tra cui gli storage array, ma anche dispositivi di networking come i network load balancer (a quando anche gli switch, in modo da gestire le VLAN?). Solo che a differenza degli storage, dove “basterebbe” solo un’interfaccia standard, nel caso dei load balancer non c’è uno standard specifico e ogni singolo vendor deve fornire una parte software (“provider”) per integrarlo in SC VMM (un po’ come del resto avviene con SC OM).
Reading Time: 4 minutesKEMP’s LoadMaster è una famiglia di appliance specifici per le funzioni di load balancer con diverse funzioni interessanti: Server Load Balancing for TCP/UDP based protocols NAT-based forwarding or Direct Server Return (DSR) configurations Layers 4-7 Load Balancing Layer 7 Content Switching Server Persistence Windows Terminal Services load balancing and persistence with Session Directory integration SSL Termination/Offload/Acceleration Application Front-end (Caching, Compression and IPS security) Advanced, App-Transparent Caching Engine for HTTP/HTTPS protocols Optimized Compression for Static and Dynamic HTTP/HTTPS Content Layer 7 Intrusion Prevention System (IPS), SNORT-Rule (HTTP) Compatible Configurable S-NAT support Web User Interface (WUI) for […]
Reading Time: 2 minutesPer l’elenco di tutti gli obiettivi vedere la pagina dell’esame VCP5. Objective 6.2 – Perform Basic vSphere Network Troubleshooting Verify network configuration (same as vSphere 4.x) Per informazioni basilari sul virtual networking (e sui vSwitch standard) vedere: VMware Virtual Networking Concepts for basic concepts for standard virtual switches. Per maggiori informazioni sui vSwitch distribuiti vedere i riferimenti contenuti nella parte: Objective 2.2 – Configure vNetwork Distributed Switches. Verify a given virtual machine is configured with the correct network resources (same as vSphere 4.x) Vedere l’articolo VMware KB: Troubleshooting virtual machine network connection issues ed il […]
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