Security Management of IM/P2P
Security management of IM/P2P is a great challenge to both telecom and enterprise networks. Although there are much similiarity between these two kinds of networks, security management of IM/P2P for telecom networks has many special requirements, comparing against those for enterprise networks. I hope the below diagram help depict the difference. There are more and more commercial products to address such kind of demands, such as Fortinet, Allot, Facetime, IMLogic, Bluecoat, etc.
At the same time, those telecom vendors, such as Cisco, Juniper, and Huawei, have been launching more corresponding functions to their existing products. Currently, the NBAR (Network Based Application Recognition) of Cisco has the capability to recognize hundreds of applications at the network layer. While the DPI (Deep Packet Inspection) technology has been adopted by many of vendors to enhance with more fine-grained policy the security management capability to applications.
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