Network Management Strategies for the CIO
Access "Deep packet inspection tools: Proxy vs. stream-based"
This article is part of the August 2012 Vol. 3, No. 4 issue of Data center fabric wars
Deep packet inspection (DPI) tools have been mostly associated with service provider networks, but enterprise network managers are increasingly turning to the technology to better manage application performance and ensure a greater level of security. Basic firewalls inspect packet headers to ensure that HTTP requests go only to the Web server and that SMTP traffic is directed to the email server, but this does not protect against Web attacks or email-borne malware. DPI tools, on the other hand, inspect the entire contents of a packet and determine performance based on which application layer protocol is in use. As such, DPI makes it possible to find, identify, classify, reroute or block packets with specific data or code payloads that conventional packet filtering cannot detect. DPI tools: Stream vs. proxy-based Packet inspection strategies can be broken into two categories: stream-based and proxy-based. Stream-based inspection examines the data in each incoming packet as it arrives. If no threat is found, the packet is forwarded to its destination. ... Access >>>
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Features
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Data center network fabrics vs. software – defined fabrics
by Shamus McGillicuddy
Are data center fabrics and software defined networks competitive or complementary technologies?
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Deep packet inspection tools: Proxy vs. stream-based
by David B. Jacobs, Contributor
As more enterprises consider deep packet inspection tools, network managers must choose the technique that works best for them.
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Data center network fabrics vs. software – defined fabrics
by Shamus McGillicuddy
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With network fabrics, choosing a vendor means commitment
by Michael Morisy
Can incompatible fabrics be good for data center networking?
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Using wireless network bandwidth monitoring to stay within data caps
by Lisa Phifer, Wireless Expert
Wireless network bandwidth monitoring is important for users who must remain within data caps that are often broken by smartphone/tablets and cloud services.
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With network fabrics, choosing a vendor means commitment
by Michael Morisy
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News
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VMware networking CTO on SDN, OpenFlow and network virtualization
by Shamus McGillicuddy
VMware networking CTO Allwyn Sequeira explains the software-defined data center, the future of OpenFlow and how the company already has network virtualization 'nailed.'
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VMware networking CTO on SDN, OpenFlow and network virtualization
by Shamus McGillicuddy
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Columns
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Point-Counterpoint: Do both SDN and data center network fabrics fail?
by Rivka Gewirtz Little
In this point-counterpoint feature, two network engineers turned-bloggers—Ivan Pepelnjak of IOS hints and Brad Casemore of Twilight in the Valley of Nerds—take opposing sides in the battle of network fabric vs. SDN. Read both, and see which side you agree with.
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Point-Counterpoint: Do both SDN and data center network fabrics fail?
by Rivka Gewirtz Little
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