1 Pertemuan 17 WAN Design. Discussion Topics WAN communication Steps in WAN design How to identify...
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Transcript of 1 Pertemuan 17 WAN Design. Discussion Topics WAN communication Steps in WAN design How to identify...
![Page 1: 1 Pertemuan 17 WAN Design. Discussion Topics WAN communication Steps in WAN design How to identify and select networking capabilities Three-layer design.](https://reader033.fdocuments.us/reader033/viewer/2022042707/5a4d1b617f8b9ab0599ad694/html5/thumbnails/1.jpg)
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Pertemuan 17 WAN Design
![Page 2: 1 Pertemuan 17 WAN Design. Discussion Topics WAN communication Steps in WAN design How to identify and select networking capabilities Three-layer design.](https://reader033.fdocuments.us/reader033/viewer/2022042707/5a4d1b617f8b9ab0599ad694/html5/thumbnails/2.jpg)
Discussion Topics
• WAN communication• Steps in WAN design• How to identify and select networking capabilities• Three-layer design model• Other layered design models• Other WAN design considerations
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Modern WAN
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WANs Operate at the Lower Three Levels of the OSI Model
![Page 5: 1 Pertemuan 17 WAN Design. Discussion Topics WAN communication Steps in WAN design How to identify and select networking capabilities Three-layer design.](https://reader033.fdocuments.us/reader033/viewer/2022042707/5a4d1b617f8b9ab0599ad694/html5/thumbnails/5.jpg)
Comparing WAN Traffic Types
![Page 6: 1 Pertemuan 17 WAN Design. Discussion Topics WAN communication Steps in WAN design How to identify and select networking capabilities Three-layer design.](https://reader033.fdocuments.us/reader033/viewer/2022042707/5a4d1b617f8b9ab0599ad694/html5/thumbnails/6.jpg)
Steps In WAN Design
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WAN Topology
Star Topology Full-Mesh Topology
Partial-Mesh Topology
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Three-Layer Design Model
• The links connecting the various sites in an area that provide access to the enterprise network are called the access links or access layer of the WAN.
• Traffic between areas is distributed by the distribution links, and is moved onto the core links for transfer to other regions, when necessary.
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Advantages of the Hierarchical Approach
• Scalability: networks can grow without sacrificing control or manageability
• Ease of Implementation: clear functionality at each layer• Ease of troubleshooting: Isolation of problems in the
network is easier• Predicatability network modelling and caapacity plannng
easier• Protocol Support: mixing current and future applications
and protocols is easier• Manageability: all the above improve the manageability
of the network
![Page 10: 1 Pertemuan 17 WAN Design. Discussion Topics WAN communication Steps in WAN design How to identify and select networking capabilities Three-layer design.](https://reader033.fdocuments.us/reader033/viewer/2022042707/5a4d1b617f8b9ab0599ad694/html5/thumbnails/10.jpg)
Internet for WAN Connectivity
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One-Layer Hierarchy
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Using the Internet as an Enterprise WAN
• Enterprise WANs will have connections to the Internet.
• This poses security problems but also provides an alternative for inter-branch traffic.
• VPN technologies can solve security issues