Although datacenters dedicated for cloud computing services are becoming increasingly prevalent, the current datacenter network security architecture is poorly suited for this application. Policy enforcement is smeared between the network and end hosts, increasing cost and complexity while reducing flexibility and security. Enforcement is typically done at network chokepoints, which inherently see high traffic levels from aggregate traffic; packet filters and deep packet inspection engines that can operate at these data rates require expensive, custom hardware.<\/p>\n","protected":false},"excerpt":{"rendered":"
Although datacenters dedicated for cloud computing services are becoming increasingly prevalent, the current datacenter network security architecture is poorly suited for this application. Policy enforcement is smeared between the network and end hosts, increasing cost and complexity while reducing flexibility and security. Enforcement is typically done at network chokepoints, which inherently see high traffic levels […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":[{"type":"text","value":"alan shieh","user_id":0},{"type":"user_nicename","value":"Srikanth Kandula","user_id":"33707"},{"type":"user_nicename","value":"Albert Greenberg","user_id":"30918"}],"msr_publishername":"Association for Computing Machinery, Inc.","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"","msr_page_range_end":"","msr_series":"","msr_volume":"","msr_copyright":"Copyright \u00a9 2007 by the Association for Computing Machinery, Inc. Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, to republish, to post on servers, or to redistribute to lists, requires prior specific permission and\/or a fee. Request permissions from Publications Dept, ACM Inc., fax +1 (212) 869-0481, or permissions@acm.org. 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