Can HDFS operate across multiple datacenters?

Does/can HDFS manage files across multiple geographically dispersed datacenters? What distributed file systems can be used for this purpose?

01 February 2018 3,963 2 View

WAN topologies with capacity information?

What WAN topologies are available with capacity information on all of their edges?

31 December 2017 8,652 4 View

Name some open source Software Defined NIC frameworks?

User space packet processing has been attracting more attention lately. Can you name some open source Software Defined NIC frameworks based on user space packet processing?

31 December 2017 5,270 3 View

Papers on Multicast Traffic Engineering over Wide Area Networks?

Could you link to papers that discuss Multicast Traffic Engineering for WAN (including inter-datacenter networks) with focus on reliable bulk transfers?

31 December 2017 6,139 3 View

What datacenter applications push multicast updates?

Across different applications that run on datacenters, can you name applications that push multicast updates to multiple servers? Please provide name of software package for specific applications.

09 October 2017 5,341 4 View

Intra and Inter-Datacenter Traffic Characteristics

Could you point me to any paper, blog, website or presentation that focuses on datacenter or inter-datacenter traffic characteristics (with flow size, duration, inter arrival distributions)? I...

07 August 2017 165 5 View

JellyFish Datacenter Topology

Has JellyFish datacenter topology been implemented or used in a real setting?

07 August 2017 1,128 0 View

Flow level max-min fairness at (datacenters) switches?

There are many switches that allow class-based fair queuing to prevent starvation. I was wondering if there are switches that actually implement flow level fair sharing according to max-min...

05 June 2017 2,118 2 View

How is data replicated across datacenters?

Is content/data replication performed proactively (pushed by the source) or reactively (pulled by a receiver) across datacenters?

01 January 1970 6,144 0 View

Simulators for SDN with Group Tables support

What network simulators support SDN along with Group Tables? I would like to use the group table feature that allows packet replication and forwarding to multiple outgoing ports (for multicasting).

01 January 1970 9,217 6 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Can I use a graph from a another source in a thesis?

I have a permission from X company to use their graph from a report, but they have a reference in the bottom left corner of the graph as follows: "Source: Database Y". Is it OK to use this graph...

24 February 2021 2,269 3 View

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

Could you please suggest to me research in which a relation between the shear wave velocity and the degree of saturation for stone was discussed?

Hi all, I am looking for a graph or a relation that relates the degree of saturation and the shear wave velocity for the marlstone. Looking forward to your suggestions Best Regards

24 February 2021 9,690 1 View