Did you decided that it is time to implement OpenStack to build your Cloud? Have you tested in the lab? Evaluated many distributions available and hired specialized OpenStack resources? However, when the environment goes into production, Neutron is not integrating with the physical network? If the above story closely resembles what you have faced, this... Read more →
Did you decided that is time to implement OpenStack to build your Cloud? Have you tested in the lab? Evaluated many distributions available and hired specialized OpenStack resources? However, when the environment goes into production, Neutron is not integrating with the physical network?
If the above story closely resembles what you have faced, this post will unconceal the many challenges of Networking with any OpenStack distribution and how VMware NSX is the missing piece for your Cloud.
Since its creation, the biggest challenges of OpenStack Clouds implementations are automation, integration and orchestration of the required networking and security components at the physical infrastructure layer. The main difficulty is that these environments are extremely heterogeneous and most of the devices do not have an open and programmable interface for configuration and, thus, the initial way of running OpenStack was to pre-provisioning the network manually and only use basics functionalities when implementing security services.
With the rise of Network Virtualization solutions and evolution of Open vSwitch, some of these challenges were solved, making it possible to create an abstraction layer from the physical elements of infrastructure and automate the virtual network through the programmable interface Continue reading
The deal will extend Cisco’s behavior analytics and network visibility tool to the cloud.
No one talks about the human consequences of Enterprise IT
The post Burnout in Networking : networking appeared first on EtherealMind.
[Editor's Note: This post originally appeared on the MANRS blog.]
Verisign, a renowned security solutions provider and a DNS registry and root server operator, demonstrated its commitment to ensuring that the global routing system becomes more secure by joining Mutually Agreed Norms for Routing Security (MANRS) today.
Based on datacenter practices of the past two decades, it is a matter of faith that it is always better to run a large number of applications on a given set of generic infrastructure than it is to have highly tuned machines running specific workloads. Siloed applications on separate machines are a thing of the past. However, depending on how Moore’s Law progresses (or doesn’t) and how the software stacks shake out for various workloads, organizations might be running applications on systems with very different architectures, either in a siloed, standalone fashion or across a complex workflow that links the …
The Convergence Or Divergence Of HPC And AI Iron was written by Timothy Prickett Morgan at The Next Platform.
The post Worth Reading: Journey into the hybrid cloud appeared first on rule 11 reader.
Introduce psample, a general way for kernel modules to sample packets, without being tied to any specific subsystem. This netlink channel can be used by tc, iptables, etc. and allow to standardize packet sampling in the kernel commitThe psample netlink channel delivers sampled packet headers along with associated metadata from the Linux kernel to user space. The psample fields map directly into sFlow Version 5 sampled_header export structures:
| netlink psample | sFlow | Description |
|---|---|---|
| PSAMPLE_ATTR_IIFINDEX | input | Interface packet was received on. |
| PSAMPLE_ATTR_OIFINDEX | output | Interface packet was sent on. |
| PSAMPLE_ATTR_SAMPLE_GROUP | data source | The location within network device that generated packet sample. |
| PSAMPLE_ATTR_GROUP_SEQ | drops | Number of times that the sFlow agent detected that a packet marked to be sampled was dropped due to lack of resources. Agent calculates drops by tracking discontinuities in PSAMPLE_ATTR_GROUP_SEQ |
| PSAMPLE_ATTR_SAMPLE_RATE | sampling_rate | The Sampling Rate specifies the ratio of packets observed at the Data Source to the samples generated. For example a sampling rate of 100 specifies that, on Continue reading |
In this post for the Internet Society Rough Guide to IETF 99, I’m reviewing what’ll be happening at IETF 99 in Prague next week.
Learn about the cloud networking service in this excerpt from Packt's "OpenStack: Building a Cloud Environment."
If you’re not old enough to know otherwise, you’d think (based on recent hype) that we discovered network automation a few years ago. Not true. One of my readers sent me a link to excellent Managing IP Networks with Free Software presentation from NANOG26 (October 2002).
I found the presentation awesome, nothing new, and extremely sad… all at the same time.
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The company will initially market the service to its existing customers.