This document discusses the Simple Network Management Protocol (SNMP) which provides a framework for managing devices using TCP/IP. It describes the key components of SNMP including:
- The Structure of Management Information (SMI) which defines naming and encoding rules for managed objects.
- The Management Information Base (MIB) which defines a collection of managed objects for an entity.
- SNMP which defines the format of packets exchanged between a manager and agent to read and change status values of objects in MIBs.
The document provides examples of how objects are defined and encoded within SNMP packets.
Network Management System and Protocol usibilityHamdamboy (함담보이)
The SNMP Version 1 RFC is:
RFC 1157. Simple Network Management Protocol
SMIv1 RFCs also apply to all SNMPv1 entities. MIB-II RFCs also apply to all SNMPv1 agent entities.
A network management system (NMS) refers to a collection of applications that enable network
components to be monitored and controlled.
network management systems have the same basic architecture, a
Simple Network Management Protocol by vikas jagtapVikas Jagtap
NETWORK MANAGEMENT can be defined as monitoring, testing, configuring and trouble shooting network components to meet a set of requirements defined by an organization.
Set of requirements include the smooth, efficient operation of the network that provides the predefined quality of service for users
Network Management System and Protocol usibilityHamdamboy (함담보이)
The SNMP Version 1 RFC is:
RFC 1157. Simple Network Management Protocol
SMIv1 RFCs also apply to all SNMPv1 entities. MIB-II RFCs also apply to all SNMPv1 agent entities.
A network management system (NMS) refers to a collection of applications that enable network
components to be monitored and controlled.
network management systems have the same basic architecture, a
Simple Network Management Protocol by vikas jagtapVikas Jagtap
NETWORK MANAGEMENT can be defined as monitoring, testing, configuring and trouble shooting network components to meet a set of requirements defined by an organization.
Set of requirements include the smooth, efficient operation of the network that provides the predefined quality of service for users
UNIT II COMMUNICATION IN DISTRIBUTED SYSTEM 10
System Model – Inter process Communication – the API for internet protocols – External data representation and Multicast communication. Network virtualization: Overlay networks. Case study: MPI Remote Method Invocation And Objects: Remote Invocation – Introduction – Request-reply protocols – Remote procedure call – Remote method invocation. Case study: Java RMI – Group communication – Publish-subscribe systems – Message queues – Shared memory approaches – Distributed objects – Case study: Enterprise Java Beans -from objects to components.
ASSURED NEIGHBOR BASED COUNTER PROTOCOL ON MAC-LAYER PROVIDING SECURITY IN MO...cscpconf
In this paper, we have taken out the concern of security on a Medium Access Control layer
implementing Assured Neighbor based Security Protocol to provide the authentication,
confidentiality and taking in consideration High speed transmission by providing security in
parallel manner in both Routing and Link Layer of Mobile Ad hoc Networks. We basically
divide the protocol into two different segments as the first portion concentrates, based on
Routing layer information; we implement the scheme for the detection and isolation of the
malicious nodes. The trust counter for each node is maintained which actively increased and
decreased considering the trust value for the packet forwarding. The threshold level is defined differencing the malicious and non malicious nodes. If the value of the node in trust counter lacks below the threshold value then the node is considered as malicious. The second part focus on providing the security in the link layer, the security is provided using CTR (Counter) approach for authentication and encryption. Hence simulating the results in NS-2, we come to conclude that the proposed protocol can attain high packet delivery over various intruders while attaining low delays and overheads.
Here is the presentation for Data Link Layer Numericals from the book Andrew S. Tanenbaum (Computer Networks) and B A Forouzan ( Data Communication and Networking)
UNIT II COMMUNICATION IN DISTRIBUTED SYSTEM 10
System Model – Inter process Communication – the API for internet protocols – External data representation and Multicast communication. Network virtualization: Overlay networks. Case study: MPI Remote Method Invocation And Objects: Remote Invocation – Introduction – Request-reply protocols – Remote procedure call – Remote method invocation. Case study: Java RMI – Group communication – Publish-subscribe systems – Message queues – Shared memory approaches – Distributed objects – Case study: Enterprise Java Beans -from objects to components.
ASSURED NEIGHBOR BASED COUNTER PROTOCOL ON MAC-LAYER PROVIDING SECURITY IN MO...cscpconf
In this paper, we have taken out the concern of security on a Medium Access Control layer
implementing Assured Neighbor based Security Protocol to provide the authentication,
confidentiality and taking in consideration High speed transmission by providing security in
parallel manner in both Routing and Link Layer of Mobile Ad hoc Networks. We basically
divide the protocol into two different segments as the first portion concentrates, based on
Routing layer information; we implement the scheme for the detection and isolation of the
malicious nodes. The trust counter for each node is maintained which actively increased and
decreased considering the trust value for the packet forwarding. The threshold level is defined differencing the malicious and non malicious nodes. If the value of the node in trust counter lacks below the threshold value then the node is considered as malicious. The second part focus on providing the security in the link layer, the security is provided using CTR (Counter) approach for authentication and encryption. Hence simulating the results in NS-2, we come to conclude that the proposed protocol can attain high packet delivery over various intruders while attaining low delays and overheads.
Here is the presentation for Data Link Layer Numericals from the book Andrew S. Tanenbaum (Computer Networks) and B A Forouzan ( Data Communication and Networking)
Managing enterprise networks with cisco prime infrastructure_ 1 of 2Abdullaziz Tagawy
Network Management is define as monitoring, testing, configuring, and troubleshooting network components to meet a set of requirements defined by an organization.
The requirements include the smooth, efficient operation of the network that provides the predefined quality of service for users.
To accomplish this task, a network management system uses hardware, software, and humans.
Automation of Sub-Netting Problems Using Mathematical Modeling and Simulationinventionjournals
International Journal of Engineering and Science Invention (IJESI) is an international journal intended for professionals and researchers in all fields of computer science and electronics. IJESI publishes research articles and reviews within the whole field Engineering Science and Technology, new teaching methods, assessment, validation and the impact of new technologies and it will continue to provide information on the latest trends and developments in this ever-expanding subject. The publications of papers are selected through double peer reviewed to ensure originality, relevance, and readability. The articles published in our journal can be accessed online.
How to Build a Module in Odoo 17 Using the Scaffold MethodCeline George
Odoo provides an option for creating a module by using a single line command. By using this command the user can make a whole structure of a module. It is very easy for a beginner to make a module. There is no need to make each file manually. This slide will show how to create a module using the scaffold method.
Exploiting Artificial Intelligence for Empowering Researchers and Faculty, In...Dr. Vinod Kumar Kanvaria
Exploiting Artificial Intelligence for Empowering Researchers and Faculty,
International FDP on Fundamentals of Research in Social Sciences
at Integral University, Lucknow, 06.06.2024
By Dr. Vinod Kumar Kanvaria
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Discover the Simplified Electron and Muon Model: A New Wave-Based Approach to Understanding Particles delves into a groundbreaking theory that presents electrons and muons as rotating soliton waves within oscillating spacetime. Geared towards students, researchers, and science buffs, this book breaks down complex ideas into simple explanations. It covers topics such as electron waves, temporal dynamics, and the implications of this model on particle physics. With clear illustrations and easy-to-follow explanations, readers will gain a new outlook on the universe's fundamental nature.
Normal Labour/ Stages of Labour/ Mechanism of LabourWasim Ak
Normal labor is also termed spontaneous labor, defined as the natural physiological process through which the fetus, placenta, and membranes are expelled from the uterus through the birth canal at term (37 to 42 weeks
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
2. 28.2
28-1 NETWORK MANAGEMENT SYSTEM28-1 NETWORK MANAGEMENT SYSTEM
We can say that the functions performed by aWe can say that the functions performed by a
network management system can be divided into fivenetwork management system can be divided into five
broad categories: configuration management, faultbroad categories: configuration management, fault
management, performance management, securitymanagement, performance management, security
management, and accounting management.management, and accounting management.
Configuration Management
Fault Management
Performance Management
Security Management
Accounting Management
Topics discussed in this section:Topics discussed in this section:
4. 28.4
28-2 SIMPLE NETWORK MANAGEMENT28-2 SIMPLE NETWORK MANAGEMENT
PROTOCOL (SNMP)PROTOCOL (SNMP)
The Simple Network Management Protocol (SNMP) is aThe Simple Network Management Protocol (SNMP) is a
framework for managing devices in an internet usingframework for managing devices in an internet using
the TCP/IP protocol suite. It provides a set ofthe TCP/IP protocol suite. It provides a set of
fundamental operations for monitoring and maintainingfundamental operations for monitoring and maintaining
an internet.an internet.
Concept
Management Components
Structure of Management Information (SMI)
Management Information Base (MIB)
SNMP
Topics discussed in this section:Topics discussed in this section:
7. 28.7
SNMP defines the format of packets
exchanged between a manager and
an agent. It reads and changes the
status (values) of objects (variables)
in SNMP packets.
Note
8. 28.8
SMI defines the general rules for naming
objects, defining object types (including
range and length), and showing how to
encode objects and values. SMI does
not define the number of objects an
entity should manage or name the
objects to be managed or define the
association between the objects and
their values.
Note
9. 28.9
MIB creates a collection of named
objects, their types, and their
relationships to each other
in an entity to be managed.
Note
10. 28.10
We can compare the task of network
management to the task of writing a program.
❏ Both tasks need rules. In network
management this is handled by SMI.
❏ Both tasks need variable declarations. In
network management this is handled by MIB.
❏ Both tasks have actions performed by
statements. In network management this is
handled by SNMP.
Note
21. 28.21
Figure 28.11 shows how to define INTEGER 14.
Figure 28.11 Example 28.1, INTEGER 14
Example 28.1
22. 28.22
Figure 28.12 shows how to define the OCTET STRING
“HI”.
Figure 28.12 Example 28.2, OCTET STRING “HI”
Example 28.2
23. 28.23
Figure 28.13 shows how to define ObjectIdentifier
1.3.6.1 (iso.org.dod.internet).
Figure 28.13 Example 28.3, ObjectIdentifier 1.3.6.1
Example 28.3
24. 28.24
Figure 28.14 shows how to define IPAddress 131.21.14.8..
Figure 28.14 Example 28.4, IPAddress 131.21.14.8.
Example 28.4
35. 28.35
In this example, a manager station (SNMP client) uses
the GetRequest message to retrieve the number of UDP
datagrams that a router has received. There is only one
VarBind entity. The corresponding MIB variable related
to this information is udpInDatagrams with the object
identifier 1.3.6.1.2.1.7.1.0. The manager wants to retrieve
a value (not to store a value), so the value defines a null
entity. Figure 28.23 shows the conceptual view of the
packet and the hierarchical nature of sequences. We have
used white and colored boxes for the sequences and a
gray one for the PDU. The VarBind list has only one
VarBind.
Example 28.5
36. 28.36
The variable is of type 06 and length 09. The value is of
type 05 and length 00. The whole VarBind is a sequence
of length 0D (13). The VarBind list is also a sequence of
length 0F (15). The GetRequest PDU is of length ID (29).
Now we have three OCTET STRINGs related to the
security parameter, security model, and flags. Then we
have two integers defining maximum size (1024) and
message ID (64). The header is a sequence of length 12,
which we left blank for simplicity. There is one integer,
version (version 3). The whole message is a sequence of
52 bytes. Figure 28.24 shows the actual message sent by
the manager station (client) to the agent (server).
Example 28.5 (continued)