The exhaustion
of IPv4 has gained significant attention since the APNIC (Asia Paci?c Network
Information Centre) announcement in February 2011 regarding the allocation of
the last two /8 address blocks from Internet Assigned Numbers Authority. The
Internet Protocol version 6 (IPv6) with an extended address space is proposed
to meet the addressing shortage experienced in IPv4. The new version is an
improvement over the previous version, while keeping many of the
characteristics of the earlier protocol. IPv6 is designed to have many
additional features such as optional IP headers, class and flow labels, large
datagrams and fragmentation-less data transfer. Thus, the aim is to replace the
older version of the IPv4 protocol, to meet the increasing demand for IP
addresses and to use the new features offered by the new version. However, due
to the vast success and wide spread use of the World Wide Web, the monetary
cost and time involved, the transition to IPv6 is occurring gradually as
opposed to a sudden conversion. The two protocol stacks are expected to coexist
for an extended period and to be supported by almost every host. Over the past
few years, there has been a global scale deployment of IPv6 in many countries.
This support for both the protocols means a host can be reached by both the
stacks, IPv4 and IPv6. Both protocols may or may not follow the same network
path based on the underlying network infrastructure. Even though IPv6 nodes
have increased in recent years, there has not been a corresponding increase in
applications using or switching to the IPv6 protocol. With relatively light
traffic load on IPv6 and abundant IPv6 backbone bandwidth, there is a high
probability of greater IPv6 Bandwidth availability than IPv4. Additionally,
there are still large IPv6-over-IPv4 tunnels widely in use where native IPv6
connectivity is not available. IPv6 events have been organized since then to
further promote the usage of IPv6. It was suggested during the early scientific
research that IPv6 may have a higher Round-Trip-Time between two nodes as well
as higher packet-loss while in transit, whereas recent research advocate that
the performance is similar to IPv4 performance.                                                                                            

 

The paper makes use of RIPE Atlas platform. RIPE Atlas has a network of
probes with internet connectivity and reachability which provides a
understanding of the internet in real time. There are thousands of active
probes available at different geographical location which can be used to
perform different measurements such as ping, Traceroutes.  It collects data from this probe and provides
visualization based on the results. The probes can be hosted not only in data
centers, but also in the homes of the volunteers. The GPS coordinates of the
node are submitted by every Atlas Probe owner to RIPE by accurately selecting his/her
node position on a digital map. The accuracy of these locations is therefore
likely to be precise because owners will enter their building address instead
of using a geolocation database to 

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