CAIDA
Networking Workshop
Monitoring
and Managing Networks:
cflowd and RRDtool
September 29 - 30, 1999
San Diego Supercomputer Center
Purpose
One of the goals of CAIDA is to facilitate technology transfer
from the authors of networking software tools to the individuals
who need to use them from both the academic and commercial communities.
This fall workshop is the first of a series of workshops that will highlight
tools that are relevant in both arenas. The presenters are the actual
software developers who will focus on the uses of the tools and discuss the
importance of monitoring and management tools for the networking community
as a whole. Registration is open to CAIDA members and network operators
responsible for monitoring and managing WAN and enterprise networks.
cflowd
cflowd is a flow
analysis tool currently used for analyzing Cisco's
NetFlow
routing statistics. The current release includes the collections,
storage, and basic analysis modules for cflowd and for arts++ libraries.
This analysis package permits data collection and analysis by ISPs
and network engineers in support of capacity planning, trends analysis,
and characterization of workloads in a network service provider
environment. Other areas where cflowd may prove useful include usage
tracking for Web hosting, accounting and billing, network planning
and analysis, network monitoring, developing user profiles, data
warehousing and mining, as well as security-related investigations.
RRDtool
RRDtool (Round-Robin
Database tool) is a system to store and display time-series data
(i.e. network bandwidth, machine-room temperature, server load average).
It stores the data in a very compact way that will not expand over
time, and it presents useful graphs by processing the data to enforce
a certain data density. It can be used either via simple wrapper
scripts or via frontends that poll network devices and put a friendly
user interface on it. The two prime shortcomings of MRTG (Multi-Router
Traffic Grapher) were performance and flexibility. RRDtool addresses
both. It is several magnitudes faster than MRTG and it is completely
configurable.
CAIDA
The Cooperative Association for Internet Data Analysis (CAIDA)
is a collaborative effort toward greater cooperation in engineering
and maintaining a robust, scalable global Internet infrastructure.
Its neutral framework supports cooperative endeavors by government,
academia, and commercial providers and vendors.
CAIDA's Internet Engineering Curriculum repository offers dynamic,
state-of-the-art Internet engineering training materials. Other
CAIDA outreach includes periodic Internet Statistics and Metrics
Analysis (ISMA) workshops focusing on problems inherent in scaling
the Internet.
CAIDA's visualization tools are an important means of depicting
the Internet infrastructure. Publicly available measurement and
analysis tools, including Coral passive traffic monitors, cflowd
software, and skitter active measurement tools provide unique windows
into Internet traffic behavior. CAIDA also supports deployment of
prototypes, such as the commercial cache initiative at the MAE-West
exchange; benchmarking of Internet hardware and software; and a
network access point for Southern California ISPs.
[Monitoring and Managing Networks Workshop] .
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