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| __NOTOC__
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| This page contains recent and forthcoming additions of note to Model 204 documentation.
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| <div class="mw-collapsible mw-collapsed" data-expandtext="▼" data-collapsetext="▲" title="Show/Hide content">
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| ==Model 204 Version 7.7==
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| <div class="mw-collapsible-content">
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| Model 204 7.7 is commercially available in January, 2017.
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| The main features in this release are summarized below and described in greater detail in the [[Release notes for Model 204 version 7.7]].
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| <table>
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| <tr class="head"><th>Category</th>
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| <th>Feature</th></tr>
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| <tr>
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| <td>Performance</td>
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| <td>
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| <ul>
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| <li>Continued expansion of 64-bit addressability. See [[#Elimination of BTB buffers|Elimination of BTB buffers]]. </li>
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| <li>Greater zIIP processor availability: M204 HPO and Fast/Unload HPO. See [[#zIIP exploitation|zIIP exploitation]]. </li>
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| <li>zIIP load tuning. See [[#MPDELAY and MPDELAYZ (new)|MPDELAYZ]], [[#SCHDOFLS (new)|SCHDOFLS]], [[#SCHDOPT (change to X'20' bit processing)|SCHDOPT]]. </li>
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| <li>Essential removal of application limits on the [[#Increase in request limit for number of images, screens, and menus|number of images, screens, and menus]].</li>
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| <li>Support for large data sets (as many as 16 million tracks) for the Model 204 Checkpoint facility [[Checkpoints: Storing before-images of changed pages#Creating the CHKPOINT.2FCHKPNT .28and CHKPNTS.29 data set|CHKPOINT or CHKPNTS data sets]]. See [[System and media recovery#ROLL BACK processing.2C Pass 2|ROLL BACK processing, Pass 2]].</li>
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| </ul>
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| </td></tr>
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| <tr>
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| <td>Security</td>
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| <td>
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| <ul>
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| <li>Stronger cryptographic algorithms: SHA-384, SHA-512. See [[#"SSL" String methods|"SSL" String methods]], [[#New DigestAlgorithm values|New DigestAlgorithm values]], and [[#New default certificate-signing algorithm|New default certificate-signing algorithm]]. </li>
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| <li>Longer RSA keys (as many as 4096 bits). See [[#Janus Network Security ciphers and private keys|Janus Network Security ciphers and private keys]]. </li>
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| <li>Support for [[#Long password support|longer and mixed-case login passwords]]. </li>
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| </ul>
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| </td><tr>
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| <tr>
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| <td nowrap>Add-on enhancements</td>
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| <td>
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| <ul>
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| <li>A more versatile Fast/Unload through [[#Integration of Fast/Unload with the Online load module|integration with Model 204]]. </li>
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| <li>Janus products' [[#Support for IPV6|support for the IPV6 network protocol]], expanding the network address space from 32 to 128 bits. </li>
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| </ul></td></tr>
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| </table>
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| </div></div><br clear=all>
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| <div class="mw-collapsible mw-collapsed" data-expandtext="▼" data-collapsetext="▲" title="Show/Hide content">
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| ==Fast/Unload Version 7.7==
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| <div class="mw-collapsible-content">
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| Highlights of this version include the integration of Fast/Unload with the Model 204 Online load module, the broader availability of zIIP exploitation, and the change of the product version number to match the version number of Model 204.
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| The main features in this release (January, 2017) are described in the [[Release notes for Model 204 version 7.7#Fast.2FUnload enhancements|Release notes for Model 204 version 7.7]].
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| </div></div><br clear=all>
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| <div class="mw-collapsible mw-collapsed" data-expandtext="▼" data-collapsetext="▲" title="Show/Hide content">
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