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Archived Networking Articles
11 Jul 2014
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What Can You Do With Data Link Multipathing (DLMP)? [37300]
By Rick Ramsey

Rick writes, "Bjoern Rost, Oracle ACE, provides a nice explanation of a Solaris feature that didn't get a lot of attention when it was released: Data Link Multipathing (DLMP) and DLMP aggregation. DLMP aggregation allows you to combine virtual network interfaces from different physical network interfaces into high availability clusters. You can also use these clusters to improve load balancing, as Bjoern explains in his blog post.

Orgad likes DLMP, too. So much, in fact, that he took a break from reconfiguring the International Space Station so his kids could control it from their XBox, and wrote an article explaining how to apply DLMP to a virtual network. Two articles, in fact..."
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08 Jul 2014
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Network Virtualization High Availability [37299]
By Orgad Kimchi

"How to add high availability to the network infrastructure of a multitenant cloud environment using the DLMP aggregation technology introduced in Oracle Solaris 11.1."

Orgad writes, "This article is Part 1 of a two-part series. In Part 1, we will cover how to implement network HA using datalink multipathing (DLMP) aggregation technology, which was introduced in Oracle Solaris 11.1.

In Part 2 of this series, we will explore how to secure the network and perform typical network management operations for an environment that uses DLMP aggregations.

Once we virtualize a network cloud infrastructure using Oracle Solaris 11 network virtualization technologies - such as virtual network interface cards (VNICs), virtual switches, load balancers, firewalls, and routers - the network itself becomes an increasingly critical component of the cloud infrastructure..."
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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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