With the growing popularity of Asynchronous Transfer Mode and frame relay services, encrypting data at the packet level is becoming an attractive alternative to the conventional method of securing transactions on a link-by-link basis.
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- 隨著(zhù)異步傳輸模式（atm）和幀中繼服務(wù)的日漸流行（信息）包級上的數據加密正在成為一種鏈路到鏈路基礎上使交易安全進(jìn)行的頗有吸引力的常規替代辦法。
