Dell Brocade 6510 Fabric OS Administrator's Guide v7.1.0 - Page 393
In-flight Encryption and Compression, In
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Chapter In-flight Encryption and Compression 14 In this chapter •In-flight encryption and compression overview 393 •Configuring encryption and compression 399 •Encryption and compression examples 406 •Working with EX_Ports 411 In-flight encryption and compression overview The in-flight encryption and compression features of Fabric OS allow frames to be encrypted or compressed at the egress point of an ISL between two Brocade switches, and then to be decrypted or decompressed at the ingress point of the ISL. These features use port-based encryption and compression. You can enable the encryption and compression feature for both E_Ports and EX_Ports on a per-port basis. By default this feature is initially disabled for all ports on a switch. NOTE The in-flight encryption and compression features are supported for any port speed, but only on 16G-capable E_Ports and EX_Ports on the Brocade 6510 and 6520 switches and the Brocade DCX 8510 Backbone family. The purpose of encryption is to provide security for frames while they are in flight between two switches. The purpose of compression is for better bandwidth use on the ISLs, especially over long distance. An average compression ratio of 2:1 is provided. Frames are never left in an encrypted or compressed state when delivered to an end device. Both ends of the ISL must terminate in 16G-capable FC ports. Encryption and compression can be enabled at the same time for an ISL, or you can enable either encryption or compression selectively. Figure 49 shows an example of 16 Gbps links connecting three Brocade switches. One link is configured with encryption and compression, one with just encryption, and one with just compression. Fabric OS Administrator's Guide 393 53-1002745-02
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