diff --git a/source/HOP-Core-Tests/HOPRouteHanderWrapperTest.class.st b/source/HOP-Core-Tests/HOPRouteHanderWrapperTest.class.st
index 0367abc..12115f0 100644
--- a/source/HOP-Core-Tests/HOPRouteHanderWrapperTest.class.st
+++ b/source/HOP-Core-Tests/HOPRouteHanderWrapperTest.class.st
@@ -45,3 +45,34 @@ HOPRouteHanderWrapperTest >> testRetryHandlerExceeded [
 		should: [ uriSpace asZincDelegate handleRequest: (ZnRequest get: #first) ]
 		raise: HOPMaximumRetriesExceeded 
 ]
+
+{ #category : 'tests' }
+HOPRouteHanderWrapperTest >> testHandlerOfASegmentLeavesItsSiblingsAlone [
+	| other |
+	other := uriSpace /+ #other.
+	other @@ (#GET -> (HOPPluggableHandler new block: [ :req | Error signal ])).
+	(uriSpace / #first) addHandler: HOPExceptionHandlerWrapper new.
+	self
+		should: [ uriSpace asZincDelegate handleRequest: (ZnRequest get: #other) ]
+		raise: Error
+]
+
+{ #category : 'tests' }
+HOPRouteHanderWrapperTest >> testHandlerOfASegmentWrapsItsChildren [
+	| response |
+	uriSpace / #first / #second @@ (#GET -> (HOPPluggableHandler new block: [ :req | Error signal ])).
+	(uriSpace / #first) addHandler: HOPExceptionHandlerWrapper new.
+	response := uriSpace asZincDelegate handleRequest: (ZnRequest get: '/first/second').
+	self assert: response status equals: 500
+]
+
+{ #category : 'tests' }
+HOPRouteHanderWrapperTest >> testHandlerOfASegmentWrapsItsOwnMethod [
+	"a segment that carries handlers answers a method on its own path, it is not only a
+	prefix for the segments below it"
+	| response |
+	uriSpace / #first @@ (#GET -> (HOPPluggableHandler new block: [ :req | Error signal ])).
+	(uriSpace / #first) addHandler: HOPExceptionHandlerWrapper new.
+	response := uriSpace asZincDelegate handleRequest: (ZnRequest get: #first).
+	self assert: response status equals: 500
+]
diff --git a/source/HOP-Core-Tests/HOPUriBuilderTest.class.st b/source/HOP-Core-Tests/HOPUriBuilderTest.class.st
index a848d81..d1b68eb 100644
--- a/source/HOP-Core-Tests/HOPUriBuilderTest.class.st
+++ b/source/HOP-Core-Tests/HOPUriBuilderTest.class.st
@@ -36,3 +36,23 @@ HOPUriBuilderTest >> testBuildUriForResource [
 	uri := uriSpace buildUriForResource: object. 
 	self assert: uri equals: '/api/objects/1/children/2'
 ]
+
+{ #category : 'tests' }
+HOPUriBuilderTest >> testBuildUriForResourceInAMountedUriSpace [
+	"a uri space mounted under a name is a named segment of the space it hangs in"
+	| uriSpace mounted objectSegment childSegment object uri |
+	objectSegment := HOPVariableSegment new
+		name: #objectId;
+		segmentNameSelector: #id.
+	childSegment := HOPVariableSegment new
+		name: #childId;
+		segmentNameSelector: #id.
+	mounted := HOPUriSpace new
+		name: #mounted;
+		yourself.
+	uriSpace := (HOPUriSpace /+ mounted) root.
+	mounted /+ #objects /+ objectSegment --> HOPUriBuildObject /+ #children /+ childSegment --> HOPUriBuildChildObject.
+	object := HOPUriBuildChildObject new container: HOPUriBuildObject new.
+	uri := uriSpace buildUriForResource: object.
+	self assert: uri equals: '/mounted/objects/1/children/2'
+]
diff --git a/source/HOP-Core/HOPCatchAllSegment.class.st b/source/HOP-Core/HOPCatchAllSegment.class.st
index 80173f8..e5b788e 100644
--- a/source/HOP-Core/HOPCatchAllSegment.class.st
+++ b/source/HOP-Core/HOPCatchAllSegment.class.st
@@ -34,7 +34,7 @@ HOPCatchAllSegment >> matches: aString [
 ]
 
 { #category : 'testing' }
-HOPCatchAllSegment >> matchesNode: aHOPSpaceZone [ 
+HOPCatchAllSegment >> matchesNode: aHOPNode [ 
 	^ false
 ]
 
diff --git a/source/HOP-Core/HOPNamedSegment.class.st b/source/HOP-Core/HOPNamedSegment.class.st
index 5006a1d..39de7c6 100644
--- a/source/HOP-Core/HOPNamedSegment.class.st
+++ b/source/HOP-Core/HOPNamedSegment.class.st
@@ -10,14 +10,6 @@ HOPNamedSegment >> acceptHOP: aHOPVisitor [
 	^ aHOPVisitor visitNamedSegment: self  
 ]
 
-{ #category : 'converting' }
-HOPNamedSegment >> asHOPSpaceZone [
-	^ HOPSpaceZone new 
-		name: name;
-		mergeNode: self root;
-		yourself 
-]
-
 { #category : 'as yet unclassified' }
 HOPNamedSegment >> canonicalUriFor: aResource [
 	^ (super canonicalUriFor: aResource)
diff --git a/source/HOP-Core/HOPNode.class.st b/source/HOP-Core/HOPNode.class.st
index c87ba98..fb09de3 100644
--- a/source/HOP-Core/HOPNode.class.st
+++ b/source/HOP-Core/HOPNode.class.st
@@ -169,11 +169,6 @@ HOPNode >> isRoot [
 	^ parent isNil 
 ]
 
-{ #category : 'testing' }
-HOPNode >> isSpaceZone [ 
-	^ false 
-]
-
 { #category : 'accessing' }
 HOPNode >> label [
 	^ self name 
diff --git a/source/HOP-Core/HOPRouteMatcher.class.st b/source/HOP-Core/HOPRouteMatcher.class.st
index cf05f66..c89d053 100644
--- a/source/HOP-Core/HOPRouteMatcher.class.st
+++ b/source/HOP-Core/HOPRouteMatcher.class.st
@@ -43,8 +43,7 @@ HOPRouteMatcher >> matchRoute [
 	currentSegment ifNil: [  
 		currentSegment := self startSegment ].
 
-	currentSegment isSpaceZone ifTrue: [  
-		self routeMatch addHandlers: currentSegment handlers ].
+	self routeMatch addHandlers: currentSegment handlers.
 	
 	[ self atEnd ] whileFalse: [
 		currentSegment := currentSegment 
diff --git a/source/HOP-Core/HOPSegment.class.st b/source/HOP-Core/HOPSegment.class.st
index d9052e9..c4dda3b 100644
--- a/source/HOP-Core/HOPSegment.class.st
+++ b/source/HOP-Core/HOPSegment.class.st
@@ -2,7 +2,8 @@ Class {
 	#name : 'HOPSegment',
 	#superclass : 'HOPNode',
 	#instVars : [
-		'methods'
+		'methods',
+		'handlers'
 	],
 	#category : 'HOP-Core',
 	#package : 'HOP-Core'
@@ -18,9 +19,18 @@ HOPSegment >> @@ anAssociation [
 	anAssociation addMethodsTo: self
 ]
 
+{ #category : 'adding' }
+HOPSegment >> addHandler: aHandler [
+	handlers add: aHandler
+]
+
 { #category : 'services' }
 HOPSegment >> addSegment: key routeMatch: routeMatch [
-	^ routeMatch addSegment: self
+	"the handlers of a segment wrap everything that is reached through it, the
+	methods of the segment itself included"
+	routeMatch
+		addSegment: self;
+		addHandlers: handlers
 ]
 
 { #category : 'adding' }
@@ -64,6 +74,16 @@ HOPSegment >> atMethod: aString put: anObject [
 		put: anObject 
 ]
 
+{ #category : 'accessing' }
+HOPSegment >> handlers [
+	^ handlers
+]
+
+{ #category : 'testing' }
+HOPSegment >> hasHandlers [
+	^ handlers notEmpty
+]
+
 { #category : 'testing' }
 HOPSegment >> hasMethods [ 
 	^ methods notEmpty
@@ -72,7 +92,8 @@ HOPSegment >> hasMethods [
 { #category : 'initialization' }
 HOPSegment >> initialize [ 
 	super initialize.
-	methods := Dictionary new
+	methods := Dictionary new.
+	handlers := OrderedCollection new
 ]
 
 { #category : 'as yet unclassified' }
diff --git a/source/HOP-Core/HOPSpaceZone.class.st b/source/HOP-Core/HOPSpaceZone.class.st
deleted file mode 100644
index 956403c..0000000
--- a/source/HOP-Core/HOPSpaceZone.class.st
+++ /dev/null
@@ -1,112 +0,0 @@
-Class {
-	#name : 'HOPSpaceZone',
-	#superclass : 'HOPNode',
-	#instVars : [
-		'handlers'
-	],
-	#category : 'HOP-Core',
-	#package : 'HOP-Core'
-}
-
-{ #category : 'converting' }
-HOPSpaceZone class >> asHOPSegment [
-	^ self new 
-		build;
-		asHOPSegment 
-]
-
-{ #category : 'visiting' }
-HOPSpaceZone >> acceptHOP: aHOPVisitor [
-	aHOPVisitor visitSpaceZone: self 
-]
-
-{ #category : 'adding' }
-HOPSpaceZone >> addHandler: aHandler [ 
-	handlers add: aHandler 
-]
-
-{ #category : 'testing' }
-HOPSpaceZone >> addSegment: segment routeMatch: routeMatch [. 
-	routeMatch addSegment: self.
-	
-	handlers ifNotNil: [ 
-		routeMatch addHandlers: handlers ]
-]
-
-{ #category : 'converting' }
-HOPSpaceZone >> asHOPSegment [
-	^ self 
-]
-
-{ #category : 'as yet unclassified' }
-HOPSpaceZone >> canonicalUriFor: aResource [
-	| path |
-	path := super canonicalUriFor: aResource.
-	parent ifNotNil: [ 
-		"if we are not the root space we add our name to be 
-		part of the URI" 
-		path add: name ].
-	^ path 	
-]
-
-{ #category : 'accessing' }
-HOPSpaceZone >> handlers [ 
-	^ handlers
-]
-
-{ #category : 'testing' }
-HOPSpaceZone >> hasHandlers [ 
-	^ handlers notEmpty
-]
-
-{ #category : 'testing' }
-HOPSpaceZone >> hasMethods [
-	^ false 
-]
-
-{ #category : 'initialization' }
-HOPSpaceZone >> initialize [ 
-	super initialize.
-	handlers := OrderedCollection new
-]
-
-{ #category : 'testing' }
-HOPSpaceZone >> isSpaceZone [ 
-	^ true 
-]
-
-{ #category : 'testing' }
-HOPSpaceZone >> matches: segment [ 
-	^ name = segment  
-]
-
-{ #category : 'testing' }
-HOPSpaceZone >> matchesNode: aHOPNode [
-	(aHOPNode class == self class) ifFalse: [ ^ false ].
-	^ aHOPNode name = name 
-]
-
-{ #category : 'testing' }
-HOPSpaceZone >> matchesScope: aResource in: requestContext [
-	^ false
-]
-
-{ #category : 'printing' }
-HOPSpaceZone >> nodeLabel [
-	^ 'zone'
-]
-
-{ #category : 'accessing' }
-HOPSpaceZone >> priority [
-	^ 1
-]
-
-{ #category : 'as yet unclassified' }
-HOPSpaceZone >> uriFor: aResource resourceRoute: resourceRoute [
-	| path |
-	path := super uriFor: aResource resourceRoute: resourceRoute.
-	parent ifNotNil: [  
-		path add: name ].
-	^ path
-		
-]
diff --git a/source/HOP-Core/HOPUriBuilder.class.st b/source/HOP-Core/HOPUriBuilder.class.st
index 9a38aa1..037aeb2 100644
--- a/source/HOP-Core/HOPUriBuilder.class.st
+++ b/source/HOP-Core/HOPUriBuilder.class.st
@@ -65,16 +65,12 @@ HOPUriBuilder >> visitSegment: aHOPSegment [
 		self visit: aHOPSegment parent  ]
 ]
 
-{ #category : 'visiting' }
-HOPUriBuilder >> visitSpaceZone: aSpaceZone [ 
-	aSpaceZone hasParent ifTrue: [  
-		segments add: aSpaceZone name ].
-	super visitSpaceZone: aSpaceZone
-]
-
 { #category : 'visiting' }
 HOPUriBuilder >> visitUriSpace: aUriSpace [ 
-	
+	"the root is the empty path and adds nothing. A space mounted under a name is a
+	named segment of the space it is mounted in"
+	aUriSpace isRoot ifFalse: [ 
+		self visitNamedSegment: aUriSpace ]
 ]
 
 { #category : 'visiting' }
diff --git a/source/HOP-Core/HOPUriSpace.class.st b/source/HOP-Core/HOPUriSpace.class.st
index 0b91eb5..25b215c 100644
--- a/source/HOP-Core/HOPUriSpace.class.st
+++ b/source/HOP-Core/HOPUriSpace.class.st
@@ -1,6 +1,6 @@
 Class {
 	#name : 'HOPUriSpace',
-	#superclass : 'HOPSpaceZone',
+	#superclass : 'HOPNamedSegment',
 	#instVars : [
 		'operationSegments',
 		'behaviorSegments'
@@ -14,6 +14,14 @@ HOPUriSpace class >> /+ aSegment [
 	^ self new /+ aSegment 
 ]
 
+{ #category : 'converting' }
+HOPUriSpace class >> asHOPSegment [
+	"a uri space class mounted under a name, as in #auth -> OIDCUriSpace"
+	^ self new 
+		build;
+		asHOPSegment 
+]
+
 { #category : 'visiting' }
 HOPUriSpace >> acceptHOP: aHOPVisitor [
 	^ aHOPVisitor visitUriSpace: self 
@@ -79,6 +87,13 @@ HOPUriSpace >> buildUriForResource: anObject [
 		build
 ]
 
+{ #category : 'as yet unclassified' }
+HOPUriSpace >> canonicalUriFor: aResource [
+	"the root is the empty path and adds no segment, a mounted space adds its name"
+	self isRoot ifTrue: [ ^ OrderedCollection new ].
+	^ super canonicalUriFor: aResource
+]
+
 { #category : 'as yet unclassified' }
 HOPUriSpace >> canonicalUriForResource: resource [
 
@@ -203,6 +218,13 @@ HOPUriSpace >> uriBuilderClass [
 	^ HOPUriBuilder
 ]
 
+{ #category : 'as yet unclassified' }
+HOPUriSpace >> uriFor: aResource resourceRoute: resourceRoute [
+	"the root is the empty path and adds no segment, a mounted space adds its name"
+	self isRoot ifTrue: [ ^ OrderedCollection new ].
+	^ super uriFor: aResource resourceRoute: resourceRoute
+]
+
 { #category : 'as yet unclassified' }
 HOPUriSpace >> zincServerDelegate [ 
 	^ HOPServerDelegate new 
diff --git a/source/HOP-Core/HOPVisitor.class.st b/source/HOP-Core/HOPVisitor.class.st
index 73cd0e6..3959241 100644
--- a/source/HOP-Core/HOPVisitor.class.st
+++ b/source/HOP-Core/HOPVisitor.class.st
@@ -28,14 +28,9 @@ HOPVisitor >> visitSegment: aHOPSegment [
 	
 ]
 
-{ #category : 'visiting' }
-HOPVisitor >> visitSpaceZone: aHOSpaceZone [
-	self visitSegment: aHOSpaceZone 
-]
-
 { #category : 'visiting' }
 HOPVisitor >> visitUriSpace: aHOPUriSpace [ 
-	self visitSpaceZone: aHOPUriSpace 
+	self visitNamedSegment: aHOPUriSpace 
 ]
 
 { #category : 'visiting' }