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SLAC monitors 4 sites in Bangladesh. They are seen below in the map.
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Summary
- Connections between
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- Pakistan and the two representative hosts (Beacons) in Bangladesh are very indirect going via Europe.
- The 4 Bangladesh hosts monitored from SLAC are not exhibiting diunral changes or jitter that would be indicative of congestion.
- In general the iNternet perfomance from Bnagladesh to other regions of the world, is similar to Pakistan's.
- One of the 4 sites ( Brac University) in Bangladesh monitored from SLAC is not responding.
Bangladesh sites seen from SLAC
The Ping ping Round Trip Times (RTTs) are seen below. We observe:
- The black bar (no data or host unreachable - 100% packet loss) observed 2014-09-05 in all plots is due to the host at SLAC being down and not making the measurements.
- The median RTTs seen from SLAC are relatively consistent from site to site and around 350ms,
- The lack of regular day vs night variations in the RTTs suggest that the links are not congested.
- The RTTs for each site are also relativlet relatively consistent (little jitter) with few large RTTs.
- Daffodil appears to have the lowest loss rates (. i.e backgound color is usually cyan meaning no loss
- BRAC university was experiencing of lot of unreachability (black) and was no longer reachable towards the end of September.
- DUET experienced a lot of packet loss (note yellow and orange backgrounds) until mid August 2014.
- RU had a burst of lossiness (magenta background) between Oct 12 and Oct 15 29014.
- The spike in RTT seen 2014-09-24 indicates a possibel possible common cause (ie.a a link shared between all sites)
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