NCache Enterprise Edition 3.8 SP3 (Trial)

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NCache Enterprise Edition 3.8 SP3 (Trial). Real Time Data Access for .NET Applications

NCache Enterprise Edition is a clustered object cache for .NET that will also include a Clustered ASP.NET Session State. This Clustered Session State is much faster than the standard ASP.NET Session State and handles server-farm configuration much better.

It has a better performance than ASP.NET Session State, is more scalable, and more reliable. It runs faster because unlike ASP.NET Session State that either keeps its data in SQL Server or on one computer, NCache Enterprise Edition Clustered Session State keeps it replicated on all servers in the farm.

And, this also makes it more scalable because the load is not put on a single computer. And, finally, it is more reliable because there is no single-point-of-failure due to replicated clustering. NCache Enterprise Edition as an object cache boosts .NET application performance.

It not only lets you cache read-only data but also complex transactional data with relationships. NCache Enterprise Edition provides a graphical tool for configuring and monitoring clustered caches from a single computer. NCache Enterprise Edition is offering seprate versions for .NET and JAVA clients.

Here are some key features of "NCache Enterprise Edition":

Light-weight .NET Client:
· NCache now has a light-weight client that is more scalable and faster than 3.0. This light-weight client uses our own socket level protocol to talk to NCache server (either locally or remotely).

Light-weight Java Client:
· NCache does not rely on any Java-to-.NET interoperability bridge and instead uses its own socket level protocol to talk to the NCache server (just like the .NET light-weight client). Now you can have your Java applications use NCache as a clustered object cache. This protects your investment in NCache and allows you to keep one cache deployed and used by multiple applications. Java client works the same way as .NET client. The Java client can run on any Java compatible platform.

Failover in Remote Light-weight Clients:
· Both Java and .NET light-weight clients have failover capability. This means that if the primary server they're connected to goes down, they'll automatically connect to another server in the cluster. And, you can specify the priority of these servers for each client differently. Additionally, when new servers are added or removed at runtime, this information is passed on to the remote clients so they can use them for failover as well.

Security:
· NCache now provides security with authentication and authorization built into the product. Authentication is done through LDAP. NCache allows you to specify administrators and users. Administrators can manage the cluster while the users can only make runtime API calls to a specific cache.

Application Connects to Multiple Caches:
· NCache client applications can now connect to multiple caches simultaneously. This allows you to keep multiple caches for different purposes and share them across applications more effectively.

Multi-key Event Notifications:
· Applications can register interest into multiple items in the cache to be notified when they're updated or removed. Then, whenever these items are updated or removed, the client application is notified anywhere in the cluster.

Synchronize Items in Multiple Caches:
· A new cache dependency called CacheSyncDependency is added that allows items in one cache to be dependent on items in another cache. This way, for example, you can have a Local Cache that keeps items frequently used by your application and a Clustered Cache that keeps a larger number of items being shared with other applications. And, your local items are kept synchronized with the clustered cache so you never have any data integrity problems while improving your app performance even further.

Cluster Management Events:
· NCache fires events whenever a node joins or leaves the cluster or when a client finds that its server has gone down and it now needs to connect with another server. You can write hooks for these events and take appropriate actions when these events occur.

Cache Management API:
· You can now manage the cache through and API (in addition to NCache Manager and command line tools). You can start or stop a cache from an API now.

Multiple Cache Instances on same Server (TCP Port Range):
· You can now run multiple cache instances (as InProc) on the same server without any port conflict. Now, you can specify a range of TCP ports to be used for cache clustering instead of only one port previously. This way, multiple instances of the cache can run with each instance using one port.

Callbacks for Async operations:
· You can now specify a callback for AddAsync, InsertAsync, and RemoveAsync operations. This callback is called when the operation completes either successfully or with a failure.
· Performance Improvement to Partitioned Cache with Replicas
· NCache has now optimized communication in the cluster for this topology.

Native .NET Clustering:
· NCache developed natively in .NET
· Truly scalable peer-to-peer multicasting clustering
· Automatic and transparent node failure recovery
· On the fly addition and removal of servers

Caching:
· Easy to understand API
· Same API for Local or Clustered environments
· Cache configuration through a graphical tool (NCache Manager)
· Fixed or variable sized cache
· Time-to-live expiration of cache entries
· Fixed-time expiration of cache entries
· Idle-time expiration of cache entries
· Least-Recently-Used (LRU), Lease-Frequently-Used (LFU), and Priority based Eviction Policies
· Expired Items Resynchronization
· SQL and OleDB Cache Dependency
· Support for custom dependencies
· Event Notifications in Local and Clustered environments
· In-process and out-of-process cache configurations
· Heap, raw memory, memory mapped file, and file based storage options.
· Intelligent relationship management through File and Key based dependencies
· Read-through and Write-through caching
· High performance Write-behind caching
· Clustered Location Transparency
· Clustered Lock Management

Clustering Options:
· Replicated Cache
· Partitioned Cache
· Client Cache
· Data-less Nodes
· UDP and TCP based Cluster

HTTP Clustered Session Management:
· Maintain and synchronize session state throughout a server farm
· Users can now move from server to server on each http request
· Achieve optimum load-balancing (no more sticky sessions needed)
· No single-point-of-failure due to sophisticated clustering topologies
· Built on top of NCache clustering to true in-memory performance
· Same API as Clustered Session State
· GUI Based Cache Configuration
· NCache Manager is a Windows GUI
· Create and manage Local Cache or Clustered Cache from it
· View rich statistics on the entire clustered cache from a single point
· Change clustering topology without affecting the client application
· Add or remove nodes from the cluster at run-time

Requirements:

· Internet Information Server (IIS).
· NET Framework 1.1(preferably w/ SP1)
· PC with a Pentium III-class processor, 600MHz
· 512 MB
· 32 MB on installation drive. More is required if disk based storage options are used.
· 800 x 600, 256 colors
· Microsoft Mouse or compatible pointing device

Limitations:

· 60 days trial

What's New in This Release: [ read full changelog ]

Following features are added in „NCache Java Client‟ in this release:
Database Dependency:
· Now you can add items in cache with 'database dependency' from your java
· application. Any change in related database invalidates the cache entry, and your application will receive the notifications about this change.
Streaming API:
· NCache Java Client has added streaming support in the API where you can read and write binary data stream in the cache.

List of Bugs Fixed:
· FIX: On adding new node in cluster, new node info was not added in
· "client.ncconf" file on all cluster nodes.

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Download NCache Enterprise Edition 3.8 SP3 (Trial)