PutByteBuffer(payload)
				if err != nil {
					r := RemoteErr(err.Error())
					return &r
				}
			}

			var inT chan Req
			if h.InCapacity > 0 {
				// Don't add extra buffering
				inT = make(chan Req)
				go func() {
					defer xioutil.SafeClose(inT)
					for {
						select {
						case <-ctx.Done():
							return
						case v, ok := <-in:
							if !ok {
								return