New PDF release: A Steganographic Embedding Undetectable by JPEG

By Newman, Moskowitz, Chang, Brahmadesam

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Enterprise Services, Revision A 2-5 Terminal Concentrator Overview Terminal Concentrator Overview The TC used in the Sun Cluster systems has its own internal operating system and resident administration programs. The TC firmware is specially modified for Sun Cluster installation. Note – If any other TC is substituted, it must not send an abort signal to the attached host systems when it is powered on. As shown in Figure 2-2, the TC is a self-contained unit with its own operating system. SYS Serial ports 2 1 3 4 Node 1 Setup port 5 6 7 8 Node 2 Serial port A Setup device Figure 2-2 Terminal Concentrator Functional Diagram Caution – If the programmable read-only memory (PROM) operating system is older than version 52, it must be upgraded.

If the active interface on any node is determined to be inoperative, all nodes switch to the backup interface and attempt to reestablish communication. 0 Administration Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. Enterprise Services, Revision A Sun Cluster High-Availability Failover Data Service Fault Monitoring Each Sun-supplied data service, such HA for NFS, has predefined fault monitoring routines associated with it. When a resource group is brought online with its associated resources, the resource group management (RGM) software automatically starts the appropriate fault monitoring processes.

All Rights Reserved. Enterprise Services, Revision A 1-17 Sun Cluster Scalable Services Global Device Links In the Sun Cluster global device environment, each node can essentially access all of the devices attached to any other cluster node. Even a node with no local data storage can access another node’s storage through the cluster interconnect. devices file system mounts. devices/node@3 on /dev/vx/dsk/rootdisk34vol ... devices/node@8 on /dev/vx/dsk/rootdisk84vol ● The local /dev and /devices structures on each node are linked or copied into that node’s global structure.

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A Steganographic Embedding Undetectable by JPEG Compatibility Steganalysis by Newman, Moskowitz, Chang, Brahmadesam


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