| Summary: | 碩士 === 國立中正大學 === 電機工程所 === 96 === WiMAX is an attractive wireless broadband technology that provides high speed last-mile network access. The Taiwan government has now running the M-Taiwan program which has a goal of creating a ubiquitous mobile network environment in Taiwan, and WiMAX is a key technology deployed for developing a Wireless City.
The Access Service Network (ASN) is one of the most important parts in the WiMAX network. Base Stations (BSs) and ASN-Gateways are the main components of the ASN. Depends on different network environment, the ASN-Gateway can interconnect to multiple BSs; besides, one ASN may also connect to other ASNs.
The network processor has the attribute of handling heavy network traffic and has a separated control-plane-and-data-plane architecture, which are very suitable for developing the BSs or ASN-Gateways in the WiMAX network.
In this thesis, we adopted the Intel IXP network processors as a platform for developing the R3 (Reference Point) and R6 data path on an ASN-Gateway. Mobile IP without reverse tunneling is implemented on R3 and GRE tunnel with type-1 bearer operation is implemented on R6. We also built a simple environment and have some test results for our implementations.
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