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Archived Networking Articles
20 Jun 2014
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More on OpenStack Networking by Ronen Kofman [36982]
By Chris Kawalek

Chris writes," Our spotlight this week is on the latest entry in a series by Ronen Kofman about OpenStack networking:

Diving into OpenStack Network Architecture - Part 3 - Routing

The previous entries in that series are really great reads, too:

Diving into OpenStack Network Architecture - Part 1 Diving into OpenStack Network Architecture - Part 2 - Basic Use Cases
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05 Jun 2014
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Oracle Joins OpenDaylight Project [36747]
Plans to Integrate OpenDaylight SDN Capabilities into Oracle Solaris

Oracle is expanding its application-driven software defined networking (SDN) capabilities in Oracle Solaris 11.2 with plans to integrate OpenDaylight SDN. The integration is intended to allow customers to improve service quality and take advantage of apps-to-disk SLAs through compatibility with a wide range of SDN devices, applications and services. It will also allow them to use a common and open SDN platform with OpenStack to manage Oracle Solaris-based clouds...
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29 Apr 2014
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Solaris 11.2 Networking Overview: Application-Driven SDN and Beyond [36170]
Blog by Nicolas Droux

Nicolas writes, "we are excited to announce Solaris 11.2 (Solaris 11.2 Beta available here). This release introduces significant improvements to the Solaris networking stack, substantially expanding its built-in network virtualization and SLA features to provide a distributed virtual network infrastructure for your private cloud, and enabling application-driven SLAs. Together, these features are the foundation of the built-in Application-driven Software-Defined Networking (SDN) capabilities of Solaris 11.2.

As the Chief Architect for Solaris Core Networking, I am pleased to introduce this significant set of exciting new features and their benefits..."
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31 Mar 2014
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About link aggregation, water and buckets [35631]
By Joerg Moellenkamp

Despite popular belief ethernet networks aren't lossless, on the long way between the TCP/IP stack from one side to the TCP/IP-stack of the other side there is a lot that can happen to the data. Datacenter Bridging is a mechanism to put some kind of losslessness on the network needed for shoehorning storage protocols on it (FCoE). That said most of the time ethernet networks appear as lossless, even to that extent that protocols are used for important traffic that were used once for traffic considered as "nah, not that critical, when the packet doesn't arrive" ... UDP for example...
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13 Feb 2014
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Oracle Solaris 11 Integrated Load Balancer [34878]
By Isaac Rozenfeld

Isaac writes, "The Oracle Solaris 11 Networking technologies portfolio provides an in-kernel L3/L4 load balancer, with support for multiple load-balancing algorithms. It has built-in health-check capabilities and is configured and managed using the ilbadm(1M) command. We also provide support for Virtual Router Redundancy Protocol (VRRP), which offers high-availability of routers through redundancy and fail-over -- which can be used with the Integrated Load Balancer (ILB) to provide additional redundancy for it. VRRP is configurable with the vrrpadm(1M) command..."
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13 Jan 2014
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Life Sciences Platform on the NetBeans Platform [34477]
GenBeans is a tool for DNA sequence analysis

Geertjan writes, "GenBeans is a tool for DNA sequence analysis created in San Diego, California, for molecular biologists. Research scientists working with DNA molecules face the dilemma of manipulating DNA sequences, often represented as simple text strings, and integrating vast amounts of sequence-dependent features at the same time. For genome-wide analysis, both are rather unchangeable static entities that can be easily represented together.

On the other hand, sequence editing is complicated by an ever-changing set of features, some wanted, some desirable, some not. Design errors may translate in months of work. A fascinating aspect, from that point of view, of NetBeans IDE is its language support with its automatic annotation as you type and rich set of meta-information because DNA sequence is comparable to a language where features and motifs are the words, it is interesting to approach DNA sequence editing & analysis in the same way NetBeans IDE handles programming languages..."
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