May 2015
Intermediate to advanced
324 pages
4h 13m
Japanese
Content preview from Diameterプロトコルガイド
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4章 Diameter NASアプリケーション
本章では、ネットワークアクセスサーバ（NAS）環境内で、認証、認可、アカウンティングサービスを使用するためのDiameterアプリケーションについて解説する。
ユーザ端末が外部ネットワークにアクセスする際には通常図4-1のようなシステム構成をとる。
図4-1 ネットワークアクセス
Diameter NASアプリケーションは、図4-1におけるNASとAAAサーバ間のAAAに関するプロトコルを定めるものである。
Diameterベースプロトコル（RFC 6733†1）、AAAトランスポートプロファイル（RFC 3539†2）、EAPアプリケーション（RFC 4072†3）の各仕様を組み合わせることで、RFC 2989†4とRFC 3169†5で定義されるNAS関連の要求事項が満たされる。Diameter NASアプリケーションは、NAS関連の要求事項を満たすアプリケーションという意味で、NASREQアプリケーションと呼ばれることもある。NASREQは「Network Access Servers Requirements」の略である。
[†1] RFC 6733 Diameter Base Protocol
[†2] RFC 3539 Authentication, Authorization and Accounting (AAA) Transport Profile
[†3] RFC 4072 Diameter Extensible ...
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