diff --git a/charts/fsm/components/scripts.tar.gz b/charts/fsm/components/scripts.tar.gz
index 55266cb80..48d390b55 100644
Binary files a/charts/fsm/components/scripts.tar.gz and b/charts/fsm/components/scripts.tar.gz differ
diff --git a/charts/fsm/components/scripts/gateways/filters/http/TranscodeDubbo.js b/charts/fsm/components/scripts/gateways/filters/http/TranscodeDubbo.js
new file mode 100644
index 000000000..e87f5749c
--- /dev/null
+++ b/charts/fsm/components/scripts/gateways/filters/http/TranscodeDubbo.js
@@ -0,0 +1,42 @@
+export default function (config) {
+  var conf = config.transcodeDubbo
+  var version = conf.version || ''
+  var service = conf.service || ''
+  var method = conf.method || ''
+  var signature = conf.signature || ''
+
+  var $ctx
+  var requestID = 0
+
+  var pl = pipeline($=>$
+    .onStart(c => { $ctx = c })
+    .replaceMessage(
+      req => {
+        var body = req.body
+        var json = body.size > 0 ? JSON.decode(req.body) : []
+        var params = (json instanceof Array ? json : [json])
+        return new Message(
+          {
+            requestID: ++requestID,
+            isRequest: true,
+            isTwoWay: true,
+            serializationType: 2,
+          },
+          Hessian.encode([
+            '2.0.2', service, version, method, signature, ...params, null
+          ]
+        ))
+      }
+    )
+    .pipeNext()
+    .replaceMessage(
+      res => {
+        var results = Hessian.decode(res.body)
+        return new Message(JSON.encode(results))
+      }
+    )
+  )
+
+  pl.meta = { outputProtocol: 'dubbo' }
+  return pl
+}
diff --git a/charts/fsm/components/scripts/gateways/filters/udp/DNSModifier.js b/charts/fsm/components/scripts/gateways/filters/udp/DNSModifier.js
index b4cade587..adcd82405 100644
--- a/charts/fsm/components/scripts/gateways/filters/udp/DNSModifier.js
+++ b/charts/fsm/components/scripts/gateways/filters/udp/DNSModifier.js
@@ -33,7 +33,7 @@ export default function (config) {
         return new Message(data)
       }
     })
-    .demux().to($=>$
+    .demuxQueue().to($=>$
       .replaceMessage(
         msg => {
           $question = DNS.decode(msg.body)
diff --git a/charts/fsm/components/scripts/gateways/main.js b/charts/fsm/components/scripts/gateways/main.js
index 0a129f0fc..e7a644a65 100755
--- a/charts/fsm/components/scripts/gateways/main.js
+++ b/charts/fsm/components/scripts/gateways/main.js
@@ -28,3 +28,5 @@ resources.list('Gateway').forEach(gw => {
     startGateway(gw)
   }
 })
+
+console.info('FGW started')
diff --git a/charts/fsm/components/scripts/gateways/modules/backend-selector.js b/charts/fsm/components/scripts/gateways/modules/backend-selector.js
index d85677985..b3b10c1bf 100644
--- a/charts/fsm/components/scripts/gateways/modules/backend-selector.js
+++ b/charts/fsm/components/scripts/gateways/modules/backend-selector.js
@@ -8,15 +8,13 @@ var listenerFilterCaches = new algo.Cache(
 )
 
 export default function (protocol, listener, rule, makeBalancer) {
-  var ruleFilters = [
-    ...listenerFilterCaches.get(protocol).get(listener),
-    ...makeFilters(protocol, rule?.filters),
-  ]
+  var routeFilters = listenerFilterCaches.get(protocol).get(listener)
+  var ruleFilters = makeFilters(routeFilters.outputProtocol || protocol, rule?.filters)
 
   var refs = rule?.backendRefs || []
   if (refs.length > 1) {
     var lb = new algo.LoadBalancer(
-      refs.map(ref => makeBackendTarget(ruleFilters, ref)),
+      refs.map(ref => makeBackendTarget(ref)),
       {
         key: t => t.id,
         weight: t => t.weight,
@@ -24,22 +22,24 @@ export default function (protocol, listener, rule, makeBalancer) {
     )
     return (hint) => lb.allocate(hint)
   } else {
-    var singleSelection = { target: makeBackendTarget(ruleFilters, refs[0]) }
+    var singleSelection = { target: makeBackendTarget(refs[0]) }
     return () => singleSelection
   }
 
-  function makeBackendTarget(ruleFilters, backendRef) {
+  function makeBackendTarget(backendRef) {
     var backendResource = findBackendResource(backendRef)
+    var backendFilters = makeFilters(ruleFilters.outputProtocol || protocol, backendRef?.filters)
     var filters = [
+      ...routeFilters,
       ...ruleFilters,
-      ...makeFilters(protocol, backendRef?.filters),
+      ...backendFilters,
     ]
     return {
       id: backendRef?.name,
       backendRef,
       backendResource,
       weight: backendRef?.weight || 1,
-      pipeline: makeBalancer(backendRef, backendResource, filters)
+      pipeline: makeBalancer(backendRef, backendResource, filters, backendFilters.outputProtocol || protocol)
     }
   }
 
diff --git a/charts/fsm/components/scripts/gateways/modules/backend.js b/charts/fsm/components/scripts/gateways/modules/backend.js
index 17010741d..28deba938 100644
--- a/charts/fsm/components/scripts/gateways/modules/backend.js
+++ b/charts/fsm/components/scripts/gateways/modules/backend.js
@@ -94,7 +94,7 @@ var cache = new algo.Cache(
         })
       } else {
         $.pipe(() => $protocol, {
-          'tcp': $=>$.connect(() => $target.address),
+          'tcp': $=>$.connect(() => $target.address, { idleTimeout: 0 }),
           'udp': $=>$.connect(() => $target.address, { protocol: 'udp' }),
         })
       }
diff --git a/charts/fsm/components/scripts/gateways/modules/balancer-dubbo.js b/charts/fsm/components/scripts/gateways/modules/balancer-dubbo.js
index dd6239be3..755f1731f 100644
--- a/charts/fsm/components/scripts/gateways/modules/balancer-dubbo.js
+++ b/charts/fsm/components/scripts/gateways/modules/balancer-dubbo.js
@@ -63,7 +63,7 @@ export default function (backendRef, backendResource) {
           target: $session.target,
         }
       })
-      $.mux(() => $session).to($=>$
+      $.muxQueue(() => $session).to($=>$
         .encodeDubbo()
         .pipe(backend.connect, () => $conn)
         .decodeDubbo()
diff --git a/charts/fsm/components/scripts/gateways/modules/balancer.js b/charts/fsm/components/scripts/gateways/modules/balancer.js
new file mode 100644
index 000000000..3c9db21c3
--- /dev/null
+++ b/charts/fsm/components/scripts/gateways/modules/balancer.js
@@ -0,0 +1,14 @@
+import makeHTTP from './balancer-http.js'
+import makeTCP from './balancer-tcp.js'
+import makeUDP from './balancer-udp.js'
+import makeDubbo from './balancer-dubbo.js'
+
+export default function (protocol, backendRef, backendResource, options) {
+  switch (protocol) {
+    case 'http': return makeHTTP(backendRef, backendResource, options?.gateway, Boolean(options?.isHTTP2))
+    case 'tcp': return makeTCP(backendRef, backendResource, options?.gateway)
+    case 'udp': return makeUDP(backendRef, backendResource)
+    case 'dubbo': return makeDubbo(backendRef, backendResource)
+    default: throw `Invalid protocol '${protocol}' for balancer`
+  }
+}
diff --git a/charts/fsm/components/scripts/gateways/modules/router-dubbo.js b/charts/fsm/components/scripts/gateways/modules/router-dubbo.js
index dc10d6f11..a4fac6072 100644
--- a/charts/fsm/components/scripts/gateways/modules/router-dubbo.js
+++ b/charts/fsm/components/scripts/gateways/modules/router-dubbo.js
@@ -1,6 +1,6 @@
 import resources from '../resources.js'
 import makeBackendSelector from './backend-selector.js'
-import makeBalancer from './balancer-dubbo.js'
+import makeBalancer from './balancer.js'
 import { log } from '../utils.js'
 
 var response404 = pipeline($=>$.replaceMessage(new Message({ status: 404 })))
@@ -84,7 +84,7 @@ export default function (routerKey, listener, routeResources) {
 
   var handleStream = pipeline($=>$
     .decodeDubbo()
-    .demux().to(handleRequest)
+    .demuxQueue().to(handleRequest)
     .encodeDubbo()
   )
 
@@ -95,10 +95,17 @@ export default function (routerKey, listener, routeResources) {
 }
 
 function makeRouter(listener, routeResources) {
+  var cache = new algo.Cache({ ttl: 3600 })
   var selector = makeRuleSelector(routeResources)
 
   return function (head, body) {
-    $selection = selector(body)
+    var key = body.slice(1,5).join(' ')
+    var val = cache.get(key)
+    if (val) {
+      $selection = val
+    } else {
+      cache.set(key, $selection = selector(body))
+    }
     log?.(
       `Inb #${$ctx.parent.inbound.id} Req #${$ctx.parent.messageCount+1}`, head.requestID,
       `backend ${$selection?.target?.backendRef?.name}`,
@@ -192,10 +199,9 @@ function makeRouter(listener, routeResources) {
   function makeBackendSelectorForRule(rule) {
     var selector = makeBackendSelector(
       'dubbo', listener, rule,
-
-      function (backendRef, backendResource, filters) {
+      function (backendRef, backendResource, filters, protocol) {
         if (!backendResource && filters.length === 0) return response500
-        var forwarder = backendResource ? [makeBalancer(backendRef, backendResource)] : []
+        var forwarder = backendResource ? [makeBalancer(protocol, backendRef, backendResource)] : []
         return pipeline($=>$
           .pipe([...filters, ...forwarder], () => $ctx)
           .onEnd(() => $selection.free?.())
diff --git a/charts/fsm/components/scripts/gateways/modules/router-http.js b/charts/fsm/components/scripts/gateways/modules/router-http.js
index 838cd4a22..50cc9c661 100644
--- a/charts/fsm/components/scripts/gateways/modules/router-http.js
+++ b/charts/fsm/components/scripts/gateways/modules/router-http.js
@@ -1,6 +1,6 @@
 import resources from '../resources.js'
 import makeBackendSelector from './backend-selector.js'
-import makeBalancer from './balancer-http.js'
+import makeBalancer from './balancer.js'
 import makeSessionPersistence from './session-persistence.js'
 import { log, stringifyHTTPHeaders } from '../utils.js'
 
@@ -377,12 +377,14 @@ function makeRouter(listener, routeResources, gateway) {
     var selector = makeBackendSelector(
       'http', listener, rule,
 
-      function (backendRef, backendResource, filters) {
+      function (backendRef, backendResource, filters, protocol) {
         if (!backendResource && filters.length === 0) return response500
-        var forwarder = backendResource ? [makeBalancer(backendRef, backendResource, gateway, isHTTP2)] : []
+        var forwarder = backendResource ? [makeBalancer(protocol, backendRef, backendResource, { gateway, isHTTP2 })] : []
 
-        if (retryPipeline) forwarder.unshift(retryPipeline)
-        if (timeoutPipeline) forwarder.unshift(timeoutPipeline)
+        if (protocol === 'http') {
+          if (retryPipeline) forwarder.unshift(retryPipeline)
+          if (timeoutPipeline) forwarder.unshift(timeoutPipeline)
+        }
 
         if (sessionPersistence) {
           var preserveSession = sessionPersistence.preserve
diff --git a/charts/fsm/components/scripts/gateways/modules/router-tcp.js b/charts/fsm/components/scripts/gateways/modules/router-tcp.js
index c04f8ecbb..01f88e46d 100644
--- a/charts/fsm/components/scripts/gateways/modules/router-tcp.js
+++ b/charts/fsm/components/scripts/gateways/modules/router-tcp.js
@@ -1,6 +1,6 @@
 import resources from '../resources.js'
 import makeBackendSelector from './backend-selector.js'
-import makeBalancer from './balancer-tcp.js'
+import makeBalancer from './balancer.js'
 import { log } from '../utils.js'
 
 var shutdown = pipeline($=>$.replaceStreamStart(new StreamEnd))
@@ -35,8 +35,8 @@ function makeRouter(listener, routeResources, gateway) {
   var selector = makeBackendSelector(
     'tcp', listener,
     routeResources[0]?.spec?.rules?.[0],
-    function (backendRef, backendResource, filters) {
-      var forwarder = backendResource ? makeBalancer(backendRef, backendResource, gateway) : shutdown
+    function (backendRef, backendResource, filters, protocol) {
+      var forwarder = backendResource ? makeBalancer(protocol, backendRef, backendResource, { gateway }) : shutdown
       return pipeline($=>$
         .pipe([...filters, forwarder], () => $ctx)
         .onEnd(() => $selection.free?.())
diff --git a/charts/fsm/components/scripts/gateways/modules/router-tls.js b/charts/fsm/components/scripts/gateways/modules/router-tls.js
index 20d2fa2fd..4916e28ac 100644
--- a/charts/fsm/components/scripts/gateways/modules/router-tls.js
+++ b/charts/fsm/components/scripts/gateways/modules/router-tls.js
@@ -1,6 +1,6 @@
 import resources from '../resources.js'
 import makeBackendSelector from './backend-selector.js'
-import makeBalancer from './balancer-tcp.js'
+import makeBalancer from './balancer.js'
 import { log } from '../utils.js'
 
 var shutdown = pipeline($=>$.replaceStreamStart(new StreamEnd))
@@ -56,8 +56,8 @@ function makeRouter(listener, routeResources, gateway) {
     hostnames.forEach(name => {
       var selector = makeBackendSelector(
         'tcp', listener, r.spec.rules?.[0],
-        function (backendRef, backendResource, filters) {
-          var forwarder = backendResource ? makeBalancer(backendRef, backendResource, gateway) : shutdown
+        function (backendRef, backendResource, filters, protocol) {
+          var forwarder = backendResource ? makeBalancer(protocol, backendRef, backendResource, { gateway }) : shutdown
           return pipeline($=>$
             .pipe([...filters, forwarder], () => $ctx)
             .onEnd(() => $selection.free?.())
diff --git a/charts/fsm/components/scripts/gateways/modules/router-udp.js b/charts/fsm/components/scripts/gateways/modules/router-udp.js
index 650e6bf66..21a944c07 100644
--- a/charts/fsm/components/scripts/gateways/modules/router-udp.js
+++ b/charts/fsm/components/scripts/gateways/modules/router-udp.js
@@ -1,6 +1,6 @@
 import resources from '../resources.js'
 import makeBackendSelector from './backend-selector.js'
-import makeBalancer from './balancer-udp.js'
+import makeBalancer from './balancer.js'
 import { log } from '../utils.js'
 
 var shutdown = pipeline($=>$.replaceStreamStart(new StreamEnd))
@@ -35,8 +35,8 @@ function makeRouter(listener, routeResources) {
   var selector = makeBackendSelector(
     'udp', listener,
     routeResources[0]?.spec?.rules?.[0],
-    function (backendRef, backendResource, filters) {
-      var forwarder = backendResource ? makeBalancer(backendRef, backendResource) : shutdown
+    function (backendRef, backendResource, filters, protocol) {
+      var forwarder = backendResource ? makeBalancer(protocol, backendRef, backendResource) : shutdown
       return pipeline($=>$
         .pipe([...filters, forwarder], () => $ctx)
         .onEnd(() => $selection.free?.())
diff --git a/charts/fsm/components/scripts/gateways/modules/session-persistence.js b/charts/fsm/components/scripts/gateways/modules/session-persistence.js
index e4ebf65fa..e9f382c16 100644
--- a/charts/fsm/components/scripts/gateways/modules/session-persistence.js
+++ b/charts/fsm/components/scripts/gateways/modules/session-persistence.js
@@ -56,9 +56,9 @@ export default function (sessionPersistence) {
   }
 
   function makeHeaderSessionKeyGetter() {
-    var headerName = sessionPresistance.sessionName
+    var headerName = sessionPersistence.sessionName
     return (head) => head.headers[headerName]
   }
 
   return { restore, preserve }
-}
+}
\ No newline at end of file
diff --git a/charts/fsm/components/scripts/gateways/startup.js b/charts/fsm/components/scripts/gateways/startup.js
index 1f4bbb94a..4e6e5a197 100644
--- a/charts/fsm/components/scripts/gateways/startup.js
+++ b/charts/fsm/components/scripts/gateways/startup.js
@@ -79,7 +79,7 @@ function makeListener(gateway, listener) {
 
   var $ctx
 
-  pipy.listen(port, wireProto, $=>$
+  pipy.listen(port, wireProto, { idleTimeout: 0 }, $=>$
     .onStart(i => {
       $ctx = {
         inbound: i,
diff --git a/charts/fsm/components/scripts/gateways/utils.js b/charts/fsm/components/scripts/gateways/utils.js
index d6be230bd..eb67b685a 100644
--- a/charts/fsm/components/scripts/gateways/utils.js
+++ b/charts/fsm/components/scripts/gateways/utils.js
@@ -62,8 +62,8 @@ export function findPolicies(kind, targetResource) {
 }
 
 export function makeFilters(protocol, filters) {
-  if (!filters) return []
-  return filters.map(
+  filters = filters || []
+  var pipelines = filters.map(
     config => {
       var maker = (
         importFilter(`./config/filters/${protocol}/${config.type}.js`) ||
@@ -71,9 +71,13 @@ export function makeFilters(protocol, filters) {
       )
       if (!maker) throw `${protocol} filter not found: ${config.type}`
       if (typeof maker !== 'function') throw `filter ${config.type} is not a function`
-      return maker(config, resources)
+      var pl = maker(config, resources)
+      protocol = pl?.meta?.outputProtocol || protocol
+      return pl
     }
   )
+  pipelines.outputProtocol = protocol
+  return pipelines
 }
 
 function importFilter(pathname) {