Computer Communication Review
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Rethinking virtual network embedding
Computer Communication Review - Tập 38 Số 2 - Trang 17-29 - 2008
Network virtualization is a powerful way to run multiple architectures or
experiments simultaneously on a shared infrastructure. However, making efficient
use of the underlying resources requires effective techniques for virtual
network embedding--mapping each virtual network to specific nodes and links in
the substrate network. Since the general embedding problem is computationally
intractable, p...
Virtual network embedding through topology-aware node ranking
Computer Communication Review - Tập 41 Số 2 - Trang 38-47 - 2011
Virtualizing and sharing networked resources have become a growing trend that
reshapes the computing and networking architectures. Embedding multiple virtual
networks (VNs) on a shared substrate is a challenging problem on cloud computing
platforms and large-scale sliceable network testbeds. In this paper we apply the
Markov Random Walk (RW) model to rank a network node based on its resource and
t...
On-demand time-decaying bloom filters for telemarketer detection
Computer Communication Review - Tập 41 Số 5 - Trang 5-12 - 2011
Several traffic monitoring applications may benefit from the availability of
efficient mechanisms for approximately tracking smoothed time averages rather
than raw counts. This paper provides two contributions in this direction. First,
our analysis of Time-decaying Bloom filters, formerly proposed data structures
devised to perform approximate Exponentially Weighted Moving Averages on
streaming da...
Guidelines for interdomain traffic engineering
Computer Communication Review - Tập 33 Số 5 - Trang 19-30 - 2003
Network operators must have control over the flow of traffic into, out of, and
across their networks. However, the Border Gateway Protocol (BGP) does not
facilitate common traffic engineering tasks, such as balancing load across
multiple links to a neighboring AS or directing traffic to a different neighbor.
Solving these problems is difficult because the number of possible changes to
routing poli...
Understanding data center traffic characteristics
Computer Communication Review - Tập 40 Số 1 - Trang 92-99 - 2010
As data centers become more and more central in Internet communications, both
research and operations communities have begun to explore how to better design
and manage them. In this paper, we present a preliminary empirical study of
end-to-end traffic patterns in data center networks that can inform and help
evaluate research and operational approaches. We analyze SNMP logs collected at
19 data ce...
Routing in a delay tolerant network
Computer Communication Review - Tập 34 Số 4 - Trang 145-158 - 2004
We formulate the delay-tolerant networking routing problem, where messages are
to be moved end-to-end across a connectivity graph that is time-varying but
whose dynamics may be known in advance. The problem has the added constraints of
finite buffers at each node and the general property that no contemporaneous
end-to-end path may ever exist. This situation limits the applicability of
traditional ...
Data center TCP (DCTCP)
Computer Communication Review - Tập 40 Số 4 - Trang 63-74 - 2010
Cloud data centers host diverse applications, mixing workloads that require
small predictable latency with others requiring large sustained throughput. In
this environment, today's state-of-the-art TCP protocol falls short. We present
measurements of a 6000 server production cluster and reveal impairments that
lead to high application latencies, rooted in TCP's demands on the limited
buffer space ...
PAMAS—power aware multi-access protocol with signalling for ad hoc networks
Computer Communication Review - Tập 28 Số 3 - Trang 5-26 - 1998
In this paper we develop a new multiaccess protocol for ad hoc radio networks.
The protocol is based on the original MACA protocol with the adition of a
separate signalling channel. The unique feature of our protocol is that it
conserves battery power at nodes by intelligently powering off nodes that are
not actively transmitting or receiving packets. The manner in which nodes power
themselves off...
Aggregation and conformance in differentiated service networks
Computer Communication Review - Tập 31 Số 1 - Trang 21-32 - 2001
The Differentiated Service (Diff-Serv) architecture [1] advocates a model based
on different “granularity” at network edges and within the network. In
particular, core routers are only required to act on a few aggregates that are
meant to offer a pre-defined set of service levels. The use of aggregation
raises a number of questions for end-to-end services, in particular when
crossing domain bounda...
Towards a Context-Aware Forwarding Plane in Named Data Networking supporting QoS
Computer Communication Review - Tập 47 Số 1 - Trang 4-14 - 2017
The emergence of Information-Centric Networking~(ICN) provides considerable
opportunities for context-aware data distribution in the network's forwarding
plane. While packet forwarding in classical IP-based networks is basically
predetermined by routing, ICN foresees an adaptive forwarding plane considering
the requirements of network applications. As research in this area is still at
an early sta...
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