HP Enterprise File Services WAN Accelerator manual Modifying Path Descriptions

Control	Description
Advanced Options cont.	Neural Framing. Optionally, if you have selected Auto-Discoveryor Fixed Target, you
	can select a neural framing mode for the in-path rule. Neural framing enables the
	appliance to select the optimal packet framing boundaries for SDR. Neural framing
	creates a set of heuristics to intelligently determine the optimal moment to flush TCP
	buffers. The appliance continuously evaluates these heuristics and uses the optimal
	heuristic to maximize the amount of buffered data transmitted in each flush, while
	minimizing the amount of idle time that the data sits in the buffer. You can specify the
	following neural framing settings:
	• Never. Never use the Nagle algorithm. All the data is immediately encoded without
	waiting for timers to fire or application buffers to fill past a specified threshold. Neural
	heuristics are computed in this mode but are not used.
	• Always. Always use the Nagle algorithm. All data is passed to the codec which
	attempts to coalesce consume calls (if needed) to achieve better fingerprinting. A timer
	(6 ms) backs up the codec and causes leftover data to be consumed. Neural heuristics
	are computed in this mode but are not used.
	• Transmission Control Protocol (TCP) Hints. This is the default setting which is
	based on the TCP hints. If data is received from a partial frame packet or a packet with
	the TCP PUSH flag set, the encoder encodes the data instead of immediately
	coalescing it. Neural heuristics are computed in this mode but are not used.
	• Dynamic. Dynamically adjust the Nagle parameters. In this option, the HP EFS WAN
	Accelerator software discerns the optimum algorithm for a particular type of traffic and
	switches to the best algorithm based on traffic characteristic changes.
	For different types of traffic, one algorithm may be better than others. The considerations
	include: latency added to the connection, compression, and SDR performance.
	To configure neural framing for an FTP data channel, define an in-path rule with the
	destination port 20 and set its optimization policy. To configure neural framing for a
	MAPI data channel, define an in-path rule with the destination port 7830 and set its
	optimization policy.
Additional Options	Enable Computation of Neural Heuristics. Optionally, check this box to enable
	optimal packet framing boundaries for SDR.
	Update. Click Update to apply your settings to the running configuration.
	Remove Selected Rules. To remove an entry, click the check box next to the entry and
	click Remove Selected Rules.

Modifying In-

Path

Descriptions

4.Click Save to save your settings permanently or click Reset to return the settings to their previous values.

You can modify the description of your in-path rules in the Optimization Service - In- Path Rules Edit page.

30 CONFIGURING THE HP EFS WAN ACCELERATOR