Network Security Devices
How to describe the necessity of using network security devices and visually illustrate this information? Now, it's very easy thanks to the ConceptDraw DIAGRAM diagramming and vector drawing software extended with Network Security Diagrams Solution from the Computer and Networks Area of ConceptDraw Solution Park.Netflow architecture. Computer and Network Examples
Netflow is a network protocol used for accounting the IP network traffic. It was developed by Cisco Systems. Now it is actually the industrial standard, it is supported by many devices. There are several versions of the protocol, but the most common are the versions 5 and 9.This diagram was created in ConceptDraw DIAGRAM using the Computer and Networks Area of ConceptDraw Solution Park and shows the Netflow architecture.
![](https://i1.ytimg.com/vi/h62-9iTdQp0/hqdefault.jpg)
Wireless Network Setup
ConceptDraw Wireless Networks solution is a bundle of the vector stencils, examples, and templates for drawing different types of wireless network diagrams.Software Defined Networking System Overview
Software-Defined Networking (SDN) is a new powerful concept for decision these problems. SDN proposes to disaggregate the traditional networking stacks that are vertically integrated to customize the network operations for specialized environments and improve network service velocity.On this example you can see the Software-Defined Networking (SDN) diagram that was created in ConceptDraw DIAGRAM using the Computer and Networks Area of ConceptDraw Solution Park.
![](https://i1.ytimg.com/vi/h62-9iTdQp0/hqdefault.jpg)
Ring Network Topology
The Ring Network Topology Diagram examples was created using ConceptDraw DIAGRAM software with Computer and Networks solution.This AD diagram example was redesigned from the picture "Site links" from the book "Active Directory for Dummies".
"Site links represent the Active Directory replication paths between sites.
These paths are manually defined so that the designer has control over which network links the replication traffic occurs on. These site links also control how clients are directed to domain controllers when there’s no DC in the client’s local site. Each site link has the following attributes:
(1) Connected sites: A site link is defined by the sites to which it connects. A site link can connect two or more sites together.
(2) Network transport: Site links support replication communication over IP-based RPCs or with the Simple Mail Transport Protocol (SMTP). You normally want to use RPC whenever possible, but you can use SMTP when the sites you’re linking don’t support RPC.
(3) Cost: Each site link has a cost associated with it. Costs are used to assign preferences to links that determine which link should be followed when multiple link paths are available between sites. The cost represents what it “costs” to use this site link relative to the other site links and affects replication traffic as well as how users are assigned a domain controller. Links with lower cost values have preference over links with higher cost values. Cost values range from 1–32,767; the default being 100.
(4) Frequency: The frequency value defines how often a replication occurs
when using this site link (the replication latency). You can configure the time between replications from a minimum of 15 minutes to a maximum of 10,080 minutes (one week). The default frequency is 180 minutes.
(5) Schedule: The schedule dictates when this link is active and available for replication between the sites. The schedule can also control which days of the week the link is available. Normally, the schedule is set so that the link is available 24 hours a day, but you can set up different schedules on a per-day-of-the-week basis.
By creating a site link, you enable two or more sites to be connected and to share the same site link attributes (transport, cost, frequency, and schedule). By default, site links create transitive connectivity between sites.
If you create a site link between sites A and B and another site link between
sites B and C, an automatic connection (known as a site link bridge) is created between sites A and C..." [Steve Clines and Marcia Loughry, Active Directory® For Dummies®, 2nd Edition. 2008]
The Active Directory diagram example "Site links" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Active Directory Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
"Site links represent the Active Directory replication paths between sites.
These paths are manually defined so that the designer has control over which network links the replication traffic occurs on. These site links also control how clients are directed to domain controllers when there’s no DC in the client’s local site. Each site link has the following attributes:
(1) Connected sites: A site link is defined by the sites to which it connects. A site link can connect two or more sites together.
(2) Network transport: Site links support replication communication over IP-based RPCs or with the Simple Mail Transport Protocol (SMTP). You normally want to use RPC whenever possible, but you can use SMTP when the sites you’re linking don’t support RPC.
(3) Cost: Each site link has a cost associated with it. Costs are used to assign preferences to links that determine which link should be followed when multiple link paths are available between sites. The cost represents what it “costs” to use this site link relative to the other site links and affects replication traffic as well as how users are assigned a domain controller. Links with lower cost values have preference over links with higher cost values. Cost values range from 1–32,767; the default being 100.
(4) Frequency: The frequency value defines how often a replication occurs
when using this site link (the replication latency). You can configure the time between replications from a minimum of 15 minutes to a maximum of 10,080 minutes (one week). The default frequency is 180 minutes.
(5) Schedule: The schedule dictates when this link is active and available for replication between the sites. The schedule can also control which days of the week the link is available. Normally, the schedule is set so that the link is available 24 hours a day, but you can set up different schedules on a per-day-of-the-week basis.
By creating a site link, you enable two or more sites to be connected and to share the same site link attributes (transport, cost, frequency, and schedule). By default, site links create transitive connectivity between sites.
If you create a site link between sites A and B and another site link between
sites B and C, an automatic connection (known as a site link bridge) is created between sites A and C..." [Steve Clines and Marcia Loughry, Active Directory® For Dummies®, 2nd Edition. 2008]
The Active Directory diagram example "Site links" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Active Directory Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
Cisco Routers. Cisco icons, shapes, stencils and symbols
Network infrastructure planning is a very important process in the network construction, and the share of time allocated to this within the scope of the entire project may reach 60-80%. A competent and thorough approach to planning contributes to the quick investment return, and also increases the reliability and flexibility of the final system, reducing the probability of additional costs related to the incorrect implementation.Any planning begins with an analysis of the business requirements to the final system. Basic network parameters, which should be assessed are the scalability, accessibility, cost, speed and safety.
Speed and cost are often mistaken for the most important parameters, and the rest of the parameters aren't even remembered. This is not entirely correct. Initially, it is necessary to assess the business plans for the future, because sometimes it is more profitable to invest more money in the beginning. If the business is to develop, then, consequently, demands on
Network Visualization with ConceptDraw DIAGRAM
ConceptDraw makes the entire process of network visualization easier thanks to the numerous ready-to-use objects included in the package for presentation of network equipment, LDAP directory symbols and many other objects that symbolize resources in most various representations.
Wireless Networks
The Wireless Networks Solution extends ConceptDraw DIAGRAM software with professional diagramming tools, set of wireless network diagram templates and samples, comprehensive library of wireless communications and WLAN objects to help network engineers and designers efficiently design and create Wireless network diagrams that illustrate wireless networks of any speed and complexity, and help to identify all required equipment for construction and updating wireless networks, and calculating their costs.
This Venn diagram sample shows the significant characteristics of pedestrian crashes. It was designed on the base of the Venn diagram in the "Pedestrian Safety Strategic Plan: Recommendations for Research and Product Development" from the website of the Federal Highway Administration of the U.S. Department of Transportation. [safety.fhwa.dot.gov/ ped_ bike/ pssp/ fhwasa10035/ ]
"Road traffic safety refers to the methods and measures used to prevent road users from being killed or seriously injured. Typical road users include pedestrians, cyclists, motorists, vehicle passengers, and passengers of on-road public transport (mainly buses and trams).
Best-practices in modern road safety strategies focus on preventing serious injury and death from vehicle crashes despite human fallibility." [Road traffic safety. Wikipedia]
The Venn diagram example "Significant characteristics of pedestrian crashes" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Venn Diagrams solution from the area "What is a Diagram" of ConceptDraw Solution Park.
"Road traffic safety refers to the methods and measures used to prevent road users from being killed or seriously injured. Typical road users include pedestrians, cyclists, motorists, vehicle passengers, and passengers of on-road public transport (mainly buses and trams).
Best-practices in modern road safety strategies focus on preventing serious injury and death from vehicle crashes despite human fallibility." [Road traffic safety. Wikipedia]
The Venn diagram example "Significant characteristics of pedestrian crashes" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Venn Diagrams solution from the area "What is a Diagram" of ConceptDraw Solution Park.
Active Directory Domain Services
Active Directory Diagrams visualize the detailed structures of the Microsoft Windows networks, Active Directory Domain topology, the Active Directory Site topology, the Organizational Units (OU), and the Exchange Server Organization.This computer security diagram example was designed on the base of the Wikimedia Commons file: Firewall.png.
[commons.wikimedia.org/ wiki/ File:Firewall.png]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. [creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
"In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a barrier between a trusted, secure internal network and another outside network, such as the Internet, that is assumed to not be secure or trusted. Firewalls are often categorized as either network firewalls or host-based firewalls. Network firewalls are a software appliance running on general purpose hardware or hardware-based firewall computer appliances that filter traffic between two or more networks. Host-based firewalls provide a layer of software on one host that controls network traffic in and out of that single machine. Firewall appliances may also offer other functionality to the internal network they protect such as acting as a DHCP or VPN server for that network." [Firewall (computing). Wikipedia]
The cybersecurity diagram example "Firewall between LAN and WAN" was created using the ConceprDraw PRO software extended with the Network Security Diagrams solution from the Computer and Neworks area of ConceptDraw Solution Park.
[commons.wikimedia.org/ wiki/ File:Firewall.png]
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. [creativecommons.org/ licenses/ by-sa/ 3.0/ deed.en]
"In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a barrier between a trusted, secure internal network and another outside network, such as the Internet, that is assumed to not be secure or trusted. Firewalls are often categorized as either network firewalls or host-based firewalls. Network firewalls are a software appliance running on general purpose hardware or hardware-based firewall computer appliances that filter traffic between two or more networks. Host-based firewalls provide a layer of software on one host that controls network traffic in and out of that single machine. Firewall appliances may also offer other functionality to the internal network they protect such as acting as a DHCP or VPN server for that network." [Firewall (computing). Wikipedia]
The cybersecurity diagram example "Firewall between LAN and WAN" was created using the ConceprDraw PRO software extended with the Network Security Diagrams solution from the Computer and Neworks area of ConceptDraw Solution Park.
Design Element: Computer and Network for Network Diagrams
ConceptDraw DIAGRAM is perfect for software designers and software developers who need to draw Computer&Network Diagrams.ConceptDraw has 1004 vector stencils in the 40 libraries that helps you to start using software for designing own Network Diagrams. You can use the appropriate stencils from Computer and Network Diagrams library with 56 objects.
![](https://i1.ytimg.com/vi/h62-9iTdQp0/hqdefault.jpg)
Road Transport - Design Elements
Samples, templates and libraries contain vector clip art for drawing the Road Transport Illustrations.Star Network Topology
The Computer and Networks solution from Computer and Networks area of ConceptDraw Solution Park provides examples, templates and vector stencils library with symbols of local area network (LAN) and wireless LAN (WLAN) equipment.Use it to draw the physical and logical network topology diagrams for wired and wireless computer communication networks.
![Create Network Topology Diagram](https://i1.ytimg.com/vi/OnFkXOumJTU/hqdefault.jpg)
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