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Expedited Forwarding (EF)
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www.ietf.org/internet-drafts/drafts-ietf-diffserv-phb-ef-01.txt
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Assured Forwarding (AF)
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www.ietf.org/internet-drafts/drafts-ietf-diffserv-af-03.txt
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Best Effort (BE)
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Example:
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Virtual Leased Line (Premium Service) based on EF
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Olympic Service (Gold, Silver and Bronze).
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