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Archived Networking Articles
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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30 Dec 2013
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How to Control the Zone's Network Bandwidth on Solaris 11 [34210]
Blog by Lingeswaran R

Lingeswaran blogs, "Oracle has made a lot of changes in Solaris 11's network architecture compare to Solaris 10. Solaris 11's network virtualization and network resource control to the OS is absolutely brilliant. The biggest problem with Oracle Solaris 10 is that we have forced to use shared IP type for local zones , since exclusive IP type required a dedicated NIC's for each zone. In shared IP model, you can't be able to separate the network traffic of local zones.For an example if there is an issue with one local zone ,then you have to run snoop command from global zone to capture the network traffic. But in Solaris 11, you can able to run snoop command from local zone itself.

So you no need to capture the unnecessary traffic of global and other local zones..."
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21 Dec 2013
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Measuring Network Bandwidth Using iperf [34103]
Quick check of performance of a network; compare the achieved bandwidth with expectation

Giri Mandalika writes that, "iperf is a simple, open source tool to measure the network bandwidth. It can test TCP or UDP throughput. Tools like iperf are useful to check the performance of a network real quick, by comparing the achieved bandwidth with the expectation. The example in this blog post is from a Solaris system, but the instructions and testing methodology are applicable on all supported platforms including Linux.

Download the source code from iperf's home page, and build the iperf binary. Those running Solaris 10 or later, can download the pre-built binary (file size: 245K) from this location to give it a quick try (right click and "Save Link As .." or similar option)..."
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28 Oct 2013
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Fundamental Concepts for VLAN Networks [33468]
With Oracle VM Server for x86 by Gregory King and Don Smerker

Oracle VM Server for x86 supports a wide range of options in network design. This article discusses the basic concepts relevant to Oracle VM networking. Understanding these concepts will help you make informed design choices and enable you to build a scalable, robust network architecture that has high degree of channel separation.

This article focuses on understanding a complex Oracle VM network infrastructure that uses bonded interfaces with VLAN tags specifically for Oracle VM 3.1 and 3.2. (For information on other releases, see the release-specific documentation.) Topics include Xen domains, physical hardware choices including network bonding, logical Oracle VM networks and network channels, and VLAN segments and groups.
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28 Oct 2013
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Oracle Enhances Oracle Virtual Networking [33470]
Fastest Data Center Fabric Platform Adds Support for Oracle SPARC M6-32 and Fujitsu M10 Servers

Oracle announced new enhancements to Oracle Virtual Networking to help customers further improve infrastructure performance, reduce cost and complexity, and simplify storage and server connectivity.

Oracle Virtual Networking is the industry's first and only open architecture data center fabric that simplifies complex data center deployments with a wire-once solution and simple software defined network configurations.

Oracle Virtual Networking is the only data center fabric with up to 80 Gb/sec bandwidth to the server that can deliver large server pools with scalable I/O configurations.

Building on Oracle Virtual Networking's support for a broad range of x86 and SPARC servers, operating systems and leading hypervisors, the enhancements announced today are:

  • SPARC M6-32 Server Support
  • High Availability for Storage:
  • Oracle Linux and Oracle VM Integration

Oracle Virtual Networking continues to experience significant growth across a wide range of industries and with added support for Oracle's SPARC servers, it is gaining traction in new industries like financial services and retail.
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12 Sep 2013
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Advanced Network Monitoring Using Oracle Solaris 11 Tools [32827]
by Orgad Kimchi

In this article, we will examine three use cases in order to demonstrate the capability of Oracle Solaris 11 tools. The first use case will show how to measure the network bandwidth between two systems. The second use case will demonstrate how to observe network statistics on a specific TCP port, and the last use case will demonstrate, by example, how to collect and display historical statistics of network resource usage for a given date and time range.

The following are benefits of using these tools:...
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