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Network Management: Accounting and Performance Strategies - Graphically Rich Book Network Management: Accounting and Performance Strategies by Benoit Claise - CCIE No. 2686; Ralf Wolter Publisher: Cisco Press Pub Date: June 20, 2007 Print ISBN-10: 1-58705-198-2

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accounting management

Network Management: Accounting and Performance Strategies - Graphically Rich Book

Network Management: Accounting and Performance Strategies

by Benoit Claise - CCIE No. 2686; Ralf Wolter

Publisher: Cisco Press

Pub Date: June 20, 2007

Print ISBN-10: 1-58705-198-2

Print ISBN-13: 978-1-58705-198-2

Pages: 672

Accounting MANAGEMENT

understanding the need for accounting management
Understanding the need for Accounting Management

What is accounting management?

Why do networks require accounting management?

Why is accounting almost a stealth area within network management?

Which problems do accounting management solutions solve?

How can the business use this information for network planning, redesign, and billing?

What aspects make up accounting (data collection, data analysis, reporting, billing, and so on)?

itu t definition m 3400 and x 700 definitions of the osi network management responsibilities
ITU-T definition (M.3400 and X.700, Definitions of the OSI Network Management Responsibilities):
  • "Accounting management
  • enables charges to be established for the use of resources in the OSIE [Open Systems Interconnect Environment], and for
  • costs to be identified for the use of those resources”
itu t definition m 3400 and x 700 definitions of the osi network management responsibilities1
ITU-T definition (M.3400 and X.700, Definitions of the OSI Network Management Responsibilities):

Accounting management includes functions to:

  • inform

Accounting management includes functions to:

  • "inform users of costs incurred or resources consumed”
  • limit
  • "enable accounting limits to be set and tariff schedules to be associated with the use of resources;
  • Cost combine
  • "enable costs to be combined where multiple resources are invoked to achieve a given communication objective."
telecommunication management forum tmf definition
Telecommunication Management Forum (TMF) definition:
  • +
  • =
  • ITU M3400
  • additional details for billing in the enhanced Telecom Operations Map (eTOM)
  • TMF

The Fulfillment, Assurance, and Billing (FAB) model of TMF\'s eTOM

telecommunication management forum tmf definition1
Telecommunication Management Forum (TMF) definition:
  • The TMF refers to the ITU-T accounting definition (M.3400) and provides additional details for billing in the enhanced Telecom Operations Map (eTOM), The Business Process Framework, Document GB921.
  • The Fulfillment, Assurance, and Billing (FAB) model of TMF\'s eTOM positions the "Network Data Management" building block between assurance and billing.
    • "Network Data Management:

this process encompasses the collection of usage data and network and information technology events and data for the purpose of network performance and traffic analysis.

This data may also be an input to Billing (Rating and Discounting) processes at the Service Management Layer, depending on the service and its architecture." Chapter 3 explains the FAB model in more detail.

ietf definition request for comment rfc 2975 introduction to accounting management
IETF definition:Request For Comment (RFC) 2975, Introduction to Accounting Management

the collection of resource consumption data for the purposes of capacity and trend analysis, cost allocation, auditing, and billing.

Accounting management requires that resource consumption be measured, rated, assigned, and communicated between appropriate parties."

in this book we use the term accounting management to describe the following processes
In this book, we use the term accounting management to describe the following processes:
  • Collecting usage data records at network devices
  • Optionally preprocessing data produced by the device (for example, filter, sample, aggregate)
  • Exporting the data from the device toward a collection server
  • Processing the data at the collection server (for example, filter, sample, aggregate, de-duplicate)
  • performance, SLA, fault, security, billing, planning, and so on
  • Converting usage records into a common format to be used by higher-layer applications : the mediation procedure
figure 1 3 accounting management architecture1
Figure 1-3. Accounting Management Architecture
  • Collecting usage data records at network devices
figure 1 3 accounting management architecture2
Figure 1-3. Accounting Management Architecture
  • Optionally preprocessing data produced by the device (for example, filter, sample, aggregate)
figure 1 3 accounting management architecture3
Figure 1-3. Accounting Management Architecture
  • Exporting the data from the device toward a collection server
figure 1 3 accounting management architecture4
Figure 1-3. Accounting Management Architecture
  • Processing the data at the collection server (for example, filter, sample, aggregate, de-duplicate)
figure 1 3 accounting management architecture5
Figure 1-3. Accounting Management Architecture
  • Converting usage records into a common format to be used by higher-layer applications (for example, performance, SLA, fault, security, billing, planning, and so on): the mediation procedure
figure 1 5 network management building blocks
Figure 1-5. Network Management Building Blocks

the focus of accounting is to track the usage of network resources and traffic characteristics.

the purposes of accounting
The Purposes of Accounting

Various accounting scenarios:

  • Security analysis
  • Billing
  • Peering and transit agreements
  • Capacity planning

Application monitoring and profiling

User monitoring and profiling

Network monitoring

  • Traffic profiling and engineering
network monitoring
Network Monitoring

Table 1-2. Example of a Daily Report with Three Servicee Classes

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user monitoring and profiling
User Monitoring and Profiling

The trend of running mission-critical applications on the network is OVERWHELMING

Voice over IP (VoIP), virtual private networking (VPN), and videoconferencing are increasingly being run over the network.

At the same time, people use (abuse?) the network to download movies, listen to music online, perform excessive surfing, and so on.

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user monitoring and profiling1
User Monitoring and Profiling

This information can be used to:

A traffic matrix illustrates the patterns between the origin and destination of traffic in the network

  • Monitor and profile users
  • Track network usage per user
  • Document usage trends by user, group, and department
  • Identify opportunities to sell additional value-added services to targeted customers.
  • Build a traffic matrix per subdivision, group, or even user

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application monitoring and profiling
Application Monitoring and Profiling

Figure 1-7. Characterizing Traffic by Application

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figure 1 8 ip protocol distribution
Figure 1-8. IP Protocol Distribution
  • Figure 1-8. IP Protocol Distribution
capacity planning
Capacity Planning

A service provider might consider the following:

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capacity planning1
Capacity Planning

POP

Which point of presence (PoP) generates the most revenue?

A service provider might consider the following:

ACCESS

Which access points are not profitable and should be consolidated?

SPARE CAPACITY

Should there be spare capacity for premium users?

SEGMENT

  • In which segment is the traffic decreasing? Did we lose customers to the competition? What might be the reason?

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capacity planning2
Capacity Planning

An enterprise IT department might consider the following

GROW

  • Which departments are growing the fastest? Which links will require an upgrade soon?

HIGH AVAILABILITY

  • For which department is network connectivity business-critical and therefore should have a high-availability design?

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