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Archived Networking Articles
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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17 Jul 2013
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Oracle Switch ES1-24 [31864]
24-Port 10 GbE Top-of-Rack Switch

Recently, Oracle announced the Oracle Switch ES1-24 which expands Oracle's 10 Gigabit Ethernet top-of-rack switch portfolio for Oracle Data Base Appliance, servers and storage.

The Oracle Switch ES1-24 is designed specifically as a top-of-rack (ToR) server access switch with comprehensive Layer 2 and 3 features and wire-speed switching for high performance. In a compact half-width 1U with twenty RJ45 ports of 1/10GBase-T and four ports of 1/10 GbE SFP+, it enables easy migration from a 1 Gbps to 10 Gbps infrastructure by reusing existing copper cabling. It provides for redundant architecture in 1U rack space using two adjacent units and rapid failover with logical link aggregation capability.
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05 Jul 2013
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Oracle SDN (Software Defined Networking) [31690]
Data Sheet

Oracle SDN (Software Defined Networking) boosts application performance and management flexibility by dynamically connecting virtual machines (VMs) and servers to networks, storage devices, and other VMs. With it, you can gain the performance benefits of up to 80 Gb/sec server-to-server throughput and realize up to 19 times faster live migration, 12 times faster database queries, and 30 times faster backups than legacy systems. Oracle SDN provides virtual networking flexibility that costs 50 percent less than legacy networking systems.
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