By Deepak Kakadia
This booklet is a source for community architects who needs to create recommendations for rising community environments in firm information facilities. you will discover info on the way to leverage SunT Open community atmosphere (Sun ONE) applied sciences to create companies on call for ideas, in addition to technical information about the networking internals. the data offered this is in line with real community engineering adventure that comes with community product improvement and real-world buyer reports. the point of interest of this e-book is proscribed to the layout of community architectures that aid net services-based, multi-tier architectures. besides the fact that, it covers every thing from the sting info heart change to the server community protocol stacks.
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Example text
The management network is also used for jumpstart installation and terminal server access. Although several networks physically reside on a single active core switch, network traffic is segregated and secured using static routes, access control lists (ACLs), and VLANs. From a practical perspective, this can be 45 46 as secure as separate individual switches, depending on the switch manufacturer's implementation of VLANs. < Day Day Up > < Day Day Up > Chapter 3. Tuning TCP: Transport Layer This chapter describes some of key Transport Control Protocol (TCP) tunable parameters related to performance tuning.
The Sun ONE Web servers provide various services including SSL, a Web container that serves static content, JSP software, and a servlet engine. Availability strategies include a front-end multilayer switch with load balancing capabilities and the ability to switch based on SSL session IDs and cookies. If the Web servers are only serving static pages, then the load balancer will provide sufficient availability; if any Web server fails, subsequent client requests will be forwarded to the remaining surviving servers.
Tcp_slow_after_idle: controls the starting window after a lengthy period of inactivity on the sender side. Both of these parameters must be manually increased according to the actual WAN characteristics. Delayed ACKs on the receiver side should also be minimized because this will slow the increasing of the window size when the sender is trying to ramp up. RTT measurements require adjustment less frequently due to the long RTT times, hence interim additional RTT values should be computed. The tunable tcp_rtt_updates parameter is somewhat related.