About This Guide
Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering
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professionals involved in designing, developing, and operating public and private internets and
intranets. You can access the Internet Protocol Journal at this URL:
http://www.cisco.com/ipj
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Training—Cisco offers world-class networking training. Current offerings in network training are
listed at this URL:
http://www.cisco.com/en/US/learning/index.html
Part Number OL-3847-01 Rev. D0, April, 2004
Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5
Obtaining Additional Publications and Information
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