20 Questions 12 Answers 0 Followers
Questions related from Max Noormohammadpour
Does/can HDFS manage files across multiple geographically dispersed datacenters? What distributed file systems can be used for this purpose?
02 February 2018 4,124 2 View
What WAN topologies are available with capacity information on all of their edges?
01 January 2018 8,804 4 View
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?
01 January 2018 5,412 3 View
Could you link to papers that discuss Multicast Traffic Engineering for WAN (including inter-datacenter networks) with focus on reliable bulk transfers?
01 January 2018 6,287 3 View
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.
10 October 2017 5,456 4 View
Has JellyFish datacenter topology been implemented or used in a real setting?
08 August 2017 1,288 0 View
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...
08 August 2017 337 5 View
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...
06 June 2017 2,228 2 View
I am looking for a java graph library that allows finding Steiner trees. Is there a library that supports finding both exact (for small graphs) and approximate trees?
01 January 1970 3,276 2 View
I was wondering what algorithms can be used to find K-Minimum Cost paths across any two nodes on a directed graph with every edge given a cost (e.g. K=1 would be same as using Dijkstra).
01 January 1970 3,418 1 View
Could you point me to a few research papers that use SDN Group Tables as forwarding means for multicasting?
01 January 1970 7,083 1 View
Over a single link, SRPT is known to be the optimal policy for minimizing mean completion times. However, is that also true for a network case with many sources and destinations? Is it possible...
01 January 1970 969 3 View
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 9,336 6 View
Consider an OpenFlow switch that supports group tables. Can we add a group table entry whose action buckets point to other group table entries? Is there any software/hardware switch that supports...
01 January 1970 5,271 0 View
What techniques can be used to speed up reliable multicasting? For example, say a sender is delivering an object reliably to 10 known and fixed receivers over WAN. What can be done to decrease...
01 January 1970 1,149 4 View
When a new flow arrives at the edge of a WAN, what cost metrics have been proposed for selection of a path? Please assume single path routing. Also, given different scheduling policies (e.g. Fair...
01 January 1970 6,811 5 View
Besides using Group Tables, what approaches can be used to program forwarding trees into network switches? Assume a scenario similar to SDN where a controller installs forwarding rules on switches.
01 January 1970 263 3 View
Assuming we have an optical WAN backbone, how can it be detected if a link has failed? Is it high error rate? Smaller q-Factor? Please elaborate.
01 January 1970 5,562 4 View
Could you name a few switch models from different vendors that support SDN Group Tables with "ALL" feature which can be used for multicasting?
01 January 1970 1,711 3 View
Is content/data replication performed proactively (pushed by the source) or reactively (pulled by a receiver) across datacenters?
01 January 1970 6,275 0 View
