diff --git a/runtimes/google/ipc/consts.go b/runtimes/google/ipc/consts.go
index 83fca57..8eee968 100644
--- a/runtimes/google/ipc/consts.go
+++ b/runtimes/google/ipc/consts.go
@@ -5,8 +5,6 @@
 const (
 	// The publisher re-mounts on this period.
 	publishPeriod = time.Minute
-	// The publisher adds this much slack to each TTL.
-	mountTTLSlack = 20 * time.Second
 
 	// The client and server use this timeout for calls by default.
 	defaultCallTimeout = time.Minute
diff --git a/runtimes/google/ipc/full_test.go b/runtimes/google/ipc/full_test.go
index 4b53246..39964a6 100644
--- a/runtimes/google/ipc/full_test.go
+++ b/runtimes/google/ipc/full_test.go
@@ -17,6 +17,7 @@
 	imanager "veyron/runtimes/google/ipc/stream/manager"
 	"veyron/runtimes/google/ipc/stream/vc"
 	"veyron/runtimes/google/ipc/version"
+	"veyron/runtimes/google/lib/publisher"
 	inaming "veyron/runtimes/google/naming"
 	isecurity "veyron/runtimes/google/security"
 	"veyron/security/caveat"
@@ -670,7 +671,7 @@
 	defer b.cleanup(t)
 
 	// Publish some incompatible endpoints.
-	publisher := InternalNewPublisher(b.mt, publishPeriod)
+	publisher := publisher.New(b.mt, publishPeriod)
 	defer publisher.WaitForStop()
 	defer publisher.Stop()
 	publisher.AddName("incompatible")
diff --git a/runtimes/google/ipc/server.go b/runtimes/google/ipc/server.go
index cb406cb..ffa9a11 100644
--- a/runtimes/google/ipc/server.go
+++ b/runtimes/google/ipc/server.go
@@ -8,6 +8,7 @@
 	"sync"
 	"time"
 
+	"veyron/runtimes/google/lib/publisher"
 	inaming "veyron/runtimes/google/naming"
 	isecurity "veyron/runtimes/google/security"
 
@@ -34,7 +35,7 @@
 	sync.Mutex
 	streamMgr        stream.Manager       // stream manager to listen for new flows.
 	disptrie         *disptrie            // dispatch trie for method dispatching.
-	publisher        Publisher            // publisher to publish mounttable mounts.
+	publisher        publisher.Publisher  // publisher to publish mounttable mounts.
 	listenerOpts     []stream.ListenerOpt // listener opts passed to Listen.
 	listeners        []stream.Listener    // listeners created by Listen.
 	active           sync.WaitGroup       // active goroutines we've spawned.
@@ -48,7 +49,7 @@
 	s := &server{
 		streamMgr: streamMgr,
 		disptrie:  newDisptrie(),
-		publisher: InternalNewPublisher(mt, publishPeriod),
+		publisher: publisher.New(mt, publishPeriod),
 		mt:        mt,
 	}
 	for _, opt := range opts {
diff --git a/runtimes/google/ipc/publisher.go b/runtimes/google/lib/publisher/publisher.go
similarity index 95%
rename from runtimes/google/ipc/publisher.go
rename to runtimes/google/lib/publisher/publisher.go
index 18a1f81..8c99e7f 100644
--- a/runtimes/google/ipc/publisher.go
+++ b/runtimes/google/lib/publisher/publisher.go
@@ -1,4 +1,5 @@
-package ipc
+// Package publisher provides a type to publish names to a mounttable.
+package publisher
 
 // TODO(toddw): Add unittests.
 
@@ -30,6 +31,9 @@
 	WaitForStop()
 }
 
+// The publisher adds this much slack to each TTL.
+const mountTTLSlack = 20 * time.Second
+
 // publisher maintains the name->server associations in the mounttable.  It
 // spawns its own goroutine that does the actual work; the publisher itself
 // simply coordinates concurrent access by sending and receiving on the
@@ -53,11 +57,8 @@
 
 type publishedCmd chan []string // published names are sent when cmd is done
 
-// InternalNewPublisher returns a new publisher that updates mounts on mt every
-// period.
-// As the name suggests, this method is not meant to be used outside the
-// google runtime implementation.
-func InternalNewPublisher(mt naming.MountTable, period time.Duration) Publisher {
+// New returns a new publisher that updates mounts on mt every period.
+func New(mt naming.MountTable, period time.Duration) Publisher {
 	p := &publisher{
 		cmdchan:  make(chan interface{}, 10),
 		donechan: make(chan struct{}),