Index: pom.xml
===================================================================
--- pom.xml	(revision 615545)
+++ pom.xml	(working copy)
@@ -285,8 +285,8 @@
       </dependency>
       <dependency>
         <groupId>org.apache.maven.wagon</groupId>
-        <artifactId>wagon-http-lightweight</artifactId>
-        <version>1.0-beta-2</version>
+        <artifactId>wagon-http</artifactId>
+        <version>1.0-rc1-SNAPSHOT</version>
       </dependency>
       <dependency>
         <groupId>easymock</groupId>
Index: maven-core/src/main/java/org/apache/maven/MavenArtifactFilterManager.java
===================================================================
--- maven-core/src/main/java/org/apache/maven/MavenArtifactFilterManager.java	(revision 615545)
+++ maven-core/src/main/java/org/apache/maven/MavenArtifactFilterManager.java	(working copy)
@@ -67,6 +67,9 @@
         artifacts.add( "wagon-http-lightweight" );
         artifacts.add( "wagon-ssh" );
         artifacts.add( "wagon-ssh-external" );
+        artifacts.add( "commons-logging" );
+        artifacts.add( "commons-httpclient" );
+        artifacts.add( "commons-codec" );
 
         return new ExclusionSetFilter( artifacts );
     }
Index: maven-core/pom.xml
===================================================================
--- maven-core/pom.xml	(revision 615545)
+++ maven-core/pom.xml	(working copy)
@@ -151,7 +151,7 @@
     </dependency>
     <dependency>
       <groupId>org.apache.maven.wagon</groupId>
-      <artifactId>wagon-http-lightweight</artifactId>
+      <artifactId>wagon-http</artifactId>
       <scope>runtime</scope>
     </dependency>
     <dependency>
Index: maven-artifact-manager/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java
===================================================================
--- maven-artifact-manager/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java	(revision 615545)
+++ maven-artifact-manager/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java	(working copy)
@@ -39,13 +39,11 @@
 
 import java.io.File;
 import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.CountDownLatch;
 
 public class DefaultArtifactResolver
     extends AbstractLogEnabled
@@ -63,6 +61,11 @@
 
     private ArtifactCollector artifactCollector;
 
+    public DefaultArtifactResolver()
+    {
+        super();
+    }
+
     // ----------------------------------------------------------------------
     // Implementation
     // ----------------------------------------------------------------------
@@ -297,23 +300,39 @@
         artifactResolutionResult = artifactCollector.collect( artifacts, originatingArtifact, managedVersions,
                                                               localRepository, remoteRepositories, source, filter,
                                                               listeners );
+        ThreadPoolExecutor resolveArtifactPool = new ThreadPoolExecutor(3, 5, 3, TimeUnit.SECONDS, new ArrayBlockingQueue(1000));
 
         List resolvedArtifacts = new ArrayList();
         List missingArtifacts = new ArrayList();
+        CountDownLatch latch = new CountDownLatch(artifactResolutionResult.getArtifactResolutionNodes().size());
+        Map<String,List<ResolutionNode>> nodesByGroupId = new HashMap<String,List<ResolutionNode>>();
         for ( Iterator i = artifactResolutionResult.getArtifactResolutionNodes().iterator(); i.hasNext(); )
         {
             ResolutionNode node = (ResolutionNode) i.next();
-            try
+            List<ResolutionNode> nodes = nodesByGroupId.get(node.getArtifact().getGroupId());
+            if (nodes == null)
             {
-                resolve( node.getArtifact(), node.getRemoteRepositories(), localRepository );
-                resolvedArtifacts.add( node.getArtifact() );
+                nodes = new ArrayList<ResolutionNode>();
+                nodesByGroupId.put(node.getArtifact().getGroupId(), nodes);
             }
-            catch ( ArtifactNotFoundException anfe )
+            nodes.add(node);
+        }
+
+        try {
+            for (List<ResolutionNode> nodes : nodesByGroupId.values())
             {
-                getLogger().debug( anfe.getMessage(), anfe );
-
-                missingArtifacts.add( node.getArtifact() );
+                resolveArtifactPool.execute(new ResolveArtifactTask(resolveArtifactPool, latch, nodes, localRepository, resolvedArtifacts, missingArtifacts));
             }
+            latch.await();
+        } catch (InterruptedException e) {
+            throw new ArtifactResolutionException("Resolution interrupted", null, e);
+        } catch (RuntimeException ex) {
+            if (ex.getCause() instanceof ArtifactResolutionException)
+                throw (ArtifactResolutionException) ex.getCause();
+            else
+                throw ex;
+        } finally {
+            resolveArtifactPool.shutdownNow();
         }
 
         if ( missingArtifacts.size() > 0 )
@@ -342,4 +361,51 @@
                                     remoteRepositories, source, null, listeners );
     }
 
+    private class ResolveArtifactTask implements Runnable {
+        private List<ResolutionNode> nodes;
+        private ArtifactRepository localRepository;
+        private List<Artifact> resolvedArtifacts;
+        private List<Artifact> missingArtifacts;
+        private CountDownLatch latch;
+        private ThreadPoolExecutor pool;
+
+        public ResolveArtifactTask(ThreadPoolExecutor pool, CountDownLatch latch, List<ResolutionNode> nodes, ArtifactRepository localRepository, List resolvedArtifacts, List missingArtifacts) {
+            this.nodes = nodes;
+            this.localRepository = localRepository;
+            this.resolvedArtifacts =  resolvedArtifacts;
+            this.missingArtifacts = missingArtifacts;
+            this.latch = latch;
+            this.pool = pool;
+        }
+
+        public void run() {
+            //getLogger().info("Size of nodes: "+nodes.size()+" on thread: "+Thread.currentThread().getId());
+            Iterator<ResolutionNode> i = nodes.iterator();
+            ResolutionNode node = i.next();
+            i.remove();
+            try {
+                resolveArtifact(node);
+                if (i.hasNext())
+                    pool.execute(new ResolveArtifactTask(pool, latch, nodes, localRepository, resolvedArtifacts, missingArtifacts));
+            } catch (ArtifactResolutionException e) {
+                throw new RuntimeException(e);
+            }
+            latch.countDown();
+        }
+
+        private void resolveArtifact(ResolutionNode node) throws ArtifactResolutionException {
+            try
+                {
+                    resolve( node.getArtifact(), node.getRemoteRepositories(), localRepository );
+                    resolvedArtifacts.add( node.getArtifact() );
+            }
+            catch ( ArtifactNotFoundException anfe )
+            {
+                getLogger().debug( anfe.getMessage(), anfe );
+
+                missingArtifacts.add( node.getArtifact() );
+            }
+        }
+    }
+
 }
Index: maven-artifact-manager/pom.xml
===================================================================
--- maven-artifact-manager/pom.xml	(revision 615545)
+++ maven-artifact-manager/pom.xml	(working copy)
@@ -65,6 +65,14 @@
     <pluginManagement>
       <plugins>
         <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-compiler-plugin</artifactId>
+          <configuration>
+            <source>1.5</source>
+            <target>1.5</target>
+          </configuration>
+        </plugin>
+        <plugin>
           <artifactId>maven-surefire-plugin</artifactId>
           <configuration>
             <excludes>